EP3190882A1 - Utilisations d'esters carboniques de glycerol en agriculture - Google Patents
Utilisations d'esters carboniques de glycerol en agricultureInfo
- Publication number
- EP3190882A1 EP3190882A1 EP15770566.6A EP15770566A EP3190882A1 EP 3190882 A1 EP3190882 A1 EP 3190882A1 EP 15770566 A EP15770566 A EP 15770566A EP 3190882 A1 EP3190882 A1 EP 3190882A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- glycerol
- substances
- group
- ester
- plants
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
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Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/30—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests characterised by the surfactants
Definitions
- the invention relates to novel uses of carboxy esters of glycerol.
- the invention relates to uses of glycerol carbonic esters as an adjuvant and / or agent for vectorizing a plant protection substance to be applied to a crop of plants.
- JP 2006/182684 discloses a composition comprising cyclic glycerol carbonate and its use in application to young tomato plants.
- Application of this composition to tomato seedlings is limited in its effects in stimulating the growth of young tomato plants.
- This composition is free from any phytopharmaceutical substance and does not actually describe the application of such a plant protection substance to a crop of plants. It does not, in particular, eliminate weeds, bacteria and / or fungi that are harmful for the development and / or growth of plants in culture. It is also known from WO2013 / 153030 the use of cyclic glycerol carbonate as a solvent in an agrochemical composition.
- Such adjuvants are also known to improve the efficiency of plant protection preparations.
- Such adjuvants include, for example, organo-silicone compounds.
- organo-silicone compounds are compounds which are harmful, irritating and dangerous for the environment. In particular, such compounds are harmful by inhalation for humans or irritating to the eyes.
- Such compounds are used in application to crops and are likely to be run off into streams. Such compounds are further toxic to the aquatic organisms of the watercourses and may in the long term have adverse effects on the aquatic environment.
- the invention aims generally to provide a method and an adjuvant does not have these disadvantages.
- the invention also relates to a process and an adjuvant essentially comprising compounds obtained from renewable plant resources.
- the invention relates to a process and an adjuvant obtained by valorization of glycerol produced during the hydrolysis of vegetable oils.
- the invention therefore relates to an adjuvant that is "bio-based”.
- the invention also aims to propose a new process and new adjuvants capable of allowing a reduction in the doses of plant protection substances to be applied to plants in culture while maintaining their effectiveness.
- the invention also aims at providing such a method and such adjuvants that can be applied to plants with a dose of adjuvants less than the approved doses of known adjuvants and with a treatment efficiency at least maintained.
- the invention relates to a method of treating plants in which the said plants are applied to:
- At least one glycerol carbonic ester comprising at least one ester function formed between:
- each hydrogen atom of the carbonic acid is replaced by an organic group separate from the hydrogen, and
- At least one hydrogen atom of the hydroxyl groups of the glycerol is substituted with an organic group distinct from the hydrogen, and; - at least one phytopharmaceutical substance selected from the group consisting of fungicidal substances, fungistatic substances, bactericidal substances, bacteriostatic substances, insecticidal substances, acaricidal substances, herbicidal substances, parasiticidal substances, nematicidal substances, rodenticidal substances , taupicidal substances, substances for the prevention of corvicide, corvicidal substances, molluscicidal substances and repellents of birds and / or mammals, particularly game birds;
- At least one carbonic ester of glycerol is a linear carboxy ester of glycerol in which at least one group derived from glycerol is linked to a group derived from carbonic acid by a single ester bond, and in that at least one phytopharmaceutical substance is distinct from each carboxy ester of glycerol.
- the invention relates to a plant treatment method in which at least one linear carboxy ester of glycerol is brought into contact with plants and at least one phytopharmaceutical substance.
- the invention also relates to all uses of at least one linear carboxy ester of glycerol in a plant treatment process.
- the invention relates to uses of at least one linear carboxycarboxylic ester in a plant treatment process.
- the invention therefore relates to such uses of at least one glycerol linear carbonic ester as an adjuvant and / or a targeting agent and / or agent for stabilizing at least one phytopharmaceutical substance.
- plant protection substance means substances or compositions of substances intended for:
- glycol derivative denotes any grouping of the following formula:
- carbonic acid-derived group is taken to mean any grouping of the following formula:
- each hydrogen atom of the carbonic acid is replaced by an organic group separate from the hydrogen
- glycerol carbonic ester means a compound in which at least one group derived from glycerol has at least one (one or two) oxygen atom (s) in common with a group derived from carbonic acid.
- a carboxy ester of glycerol at least one group derived from glycerol is bonded to a group derived from carbonic acid by at least one (one or two) bond (s) ester;
- linear carboxy ester of glycerol a compound in which at least one group derived from glycerol has a single oxygen atom in common with a group derived from carbonic acid.
- at least one group derived from glycerol is linked to a group derived from carbonic acid by a single ester bond.
- a linear carboxy ester of glycerol is not cyclic at the level of its carbonic diester group, unlike cyclic carboxy esters of glycerol (glycerol carbonate or glycerol carbonate esters / acylated cyclic glycerol carbonic esters); - Cyclic carboxy ester of glycerol, a compound in which at least one group derived from glycerol has two oxygen atoms in common with a group derived from carbonic acid.
- a glycerol cyclic carbonic ester at least one group derived from glycerol is linked to a group derived from carbonic acid by two ester bonds;
- bacteriaicidal and "fungicidal” describe a substance capable of killing prokaryotic microorganisms and fungi respectively;
- bacteriostatic and fungistatic describe a substance capable of slowing down or blocking the growth of prokaryotic microorganisms and fungi, respectively, by interfering with, for example, the synthesis of proteins, with the replication of DNA or with cellular metabolism, and;
- adjuvant refers to a glycerol carbonic ester-in particular a linear carboxy ester of glycerol-capable of improving the efficacy of the plant protection substance on plants.
- an adjuvant can reduce the amount of plant protection substance to be applied to plants and the environment for at least equivalent effectiveness.
- Such an adjuvant contributes to the preservation and protection of the environment.
- At least one phytopharmaceutical substance and at least one synergistic glycerol linear carbonic ester of said phytopharmaceutical substance are applied to aerial parts of plants.
- at least one phytopharmaceutical substance and at least one linear glycerol carbonic ester are added to aerial parts of plants as an adjunct for improving the efficacy of the phytopharmaceutical substance.
- Such a linear carboxy ester of glycerol makes it possible in particular to reduce the quantity of plant protection substance to be applied to the plants for at least equivalent efficiency while preserving the environment.
- the method of treating plants aims to improve the growth and / or preservation of said plants.
- Such treatment is applied to all or part of plants-especially on aerial parts, for example on leaves of said plants and / or on subterranean parts of plants and / or on plant seeds.
- Such treatment can be carried out on plants in culture or on plants stored in a storage room (above ground).
- the invention relates to a method of treating plants in agriculture.
- At least one linear carboxy ester of glycerol and at least one phytopharmaceutical substance are brought into contact with plants, to the exclusion of substances stimulating photosynthesis, substances stimulating seeds germination and substances. nutritious and fertilizing.
- At least one glycerol carbonic ester may be chosen from the group consisting of cyclic carbonic glycerol esters.
- At least one carbonic ester of glycerol is the cyclic carbonate of glycerol or glycerol carbonate five-membered ns of formula (I) below:
- At least one glycerol carbonic ester may be a configuration stereoisomer of the five-membered cyclic glycerol carbonate of formula (I).
- At least one carbonic ester of glycerol is a carbonic cyclic ester of ⁇ / ⁇ -acyl glycerol of general formula (VIII) below:
- RI is an organic group consisting of elements selected from the group consisting of carbon (C), hydrogen (H) and oxygen (O).
- at least one linear carboxy ester of glycerol has at least one group of general formula (III) below:
- G 0 is chosen from the group formed:
- R1 and R2 are organic groups formed from elements selected from the group consisting of carbon (C), hydrogen (H) and oxygen (O).
- At least one linear carboxy ester of glycerol has the following general formula (X):
- Gi is chosen from the formed group:
- Qi is chosen from the group consisting of hydrogen (H) and organic groups formed by at least two atoms linked by covalent bonds, said atoms belonging to the group formed by carbon (C), hydrogen (H); ) and oxygen (O), and;
- - Mi represents an organic group formed by at least two atoms linked by covalent bonds, said atoms belonging to the group consisting of carbon (C), hydrogen (H) and oxygen (O).
- At least one linear carboxy ester of glycerol has the following general formula (XI): (XI), wherein;
- x is an integer equal to 0 or 1 which can vary in (XI) according to each group of formula (XI-a):
- n is an integer from 1 to 20, in particular from 1 to 10, inclusive;
- Q 2 is selected from the group consisting of hydrogen (H) and organic groups consisting of at least two atoms linked by bonds covalently, said atoms belonging to the group consisting of carbon (C), hydrogen (H) and oxygen (O), and;
- - M 2 represents an organic group consisting of at least two atoms linked by covalent bonds, said atoms belonging to the group consisting of carbon (C), hydrogen (H) and oxygen (O), and;
- G 2 represents a group of atoms chosen from the group formed:
- At least one linear carboxy ester of glycerol is chosen from the group formed by linear carbonyl esters of glycerol having at least one group of atoms of formula (Xla).
- At least one linear carboxy ester of glycerol is an oligomer of linear carboxy ester of glycerol.
- a plant treatment process according to the invention it is applied to plants - especially on aerial parts of said plants, on subterranean parts of said plants, or on plant seeds -:
- composition comprising an amount of a synthesis medium of at least one linear glycerol carbonic ester, and
- phytopharmaceutical substance selected from the group consisting of fungicidal substances, fungistatic substances, bactericidal substances, bacteriostatic substances, insecticidal substances, acaricidal substances, herbicidal substances, parasiticidal substances, nematicides and rodenticidal substances , taupicidal substances, substances containing corvifuges, corticidal substances, molluscicidal substances, repulsive substances of birds and / or mammals, particularly game animals, said phytopharmaceutical substance being distinct from each carboxy ester of glycerol.
- a synthesis medium comprising at least one linear glycerol carbonic ester-in particular at least one glycerol linear carbonic ester oligomer of general formula (III), (X) or (XI) - by mixing:
- At least one glycerol cyclic carbonic ester in particular at least one glycerol cyclic carboxy ester of general formula (VIII) and / or five-membered cyclic glycerol carbonate of formula (I);
- At least one hydroxylated organic initiator selected from the group consisting of alcohols, polyols and aminoalcohols,
- At least one catalyst selected from the group consisting of metal oxides, metal alkoxides, Lewis acids, organometallic catalysts and mineral bases for example selected from the group consisting of zinc sulphate (ZnSO 4 ) , zinc stearate (Zn (C 18 H 3 O 2 ) 2), iron sulphate (FeSO 4 ), ferric phosphate (FePO 4 ), manganese sulphate (MnSO 4 ), zinc oxide (ZnO ), calcium carbonate (Ca 2 CO 3 ), sodium carbonate (Na 2 CO 3 ) and sodium sulphate (Na 2 SO 4 );
- reaction temperature of less than 220.degree. C., in particular between 100.degree. C. and 220.degree. C., in particular between 150.degree. and 220 ° C -more particularly between 140 ° C and 200 ° C, preferably substantially of the order of 180 ° C- so as to place the mixture in the liquid state under a pressure, called autogenous pressure, higher or equal to the atmospheric pressure.
- the oligomerization of the cyclic carbonic esters of glycerol and the formation of linear carboxy esters of glycerol are controlled by controlling the autogenous pressure generated by heating the synthesis medium in the hermetically sealed reactor.
- At least one linear glycerol carbonic ester is formed in a synthesis medium of said at least one linear glycerol carbonic ester and said synthesis medium is applied to plants without any step of purification or separation of the components of the synthesis medium other than possibly a dilution step of the synthesis medium in a liquid dilution composition - especially in water -.
- the synthesis medium is a complex medium comprising excess reagents, catalyst, and a plurality of glycerol linear carbon oligomers or ester having surprising and previously undescribed properties of phytopharmaceutical adjuvant.
- At least one linear carboxy ester of glycerol-in particular at least one linear carboxy ester of glycerol of general formula (III), (X) or (XI) - has a molar mass greater than 400 g / mol .
- the molar mass of the linear carboxy ester of glycerol is the mass of one mole of linear carbonic ester of glycerol. It is expressed in grams per mole (g.mol 1 or g / mol). To determine the molar mass of the linear carboxy ester of glycerol, it is appropriate to add the molar masses of the elements constituting this linear carbonic ester of glycerol, each element being assigned the coefficient of the element in the crude formula of the compound and, each molar mass of an element being of numerical value equal to the atomic mass of said element.
- the groups R 1 and R 2 are aliphatic hydrocarbon groups comprising from 1 to 25 carbon atoms.
- R1 and R2 are chosen independently of one another. RI and R2 may therefore be identical or different.
- the groups R 1 and R 2 may be chosen from the group consisting of methyl (-CH 3 ), ethyl (-CH 2 -CH 3 ), n-propyl (-CH 2 -CH 2 -CH 3 ), w-propyl (-CH (CH 3 ) 2 ), n-butyl (-CH 2 -CH 2 -CH 2 -CH 3 ), w-butyl (-CH 2 -CH ( CH 3) 2), the tem o-butyl (-C (CH 3) 3), n-pentyl (- (CH 2) 4 -CH 3), n-hexyl (- (CH 2) 5 - CH 3 ), n-heptyl (- (CH 2 ) 6 -CH 3 ), n-octyl (- (CH 2 ) 7 -CH 3 ), n-nonyl (- (CH 2 ) 8 -CH 3 ), n-decyl (- (CH 2 )
- R2 are selected from the group consisting of aliphatic hydrocarbon groups (branched or unbranched) having a main chain formed of a set of carbon atoms linearly bonded to each other, one end of said main chain being bonded to the carbonyl carbon atom (CO) of the acyl group (R1-CO- or R2-CO-), said set of carbon atoms being the set of larger cardinal, said larger cardinal being of even value.
- An acyl group (R 1 -CO- or R 2 -CO-) is therefore a group having an odd numbered main chain of carbon atoms.
- R 1 and / or R 2 are chosen from the group consisting of aliphatic hydrocarbon groups (branched or unbranched) having a main chain formed of a set of carbon atoms linearly linked to each other. others, said set of carbon atoms being the set of larger cardinal, said larger cardinal being of odd value.
- An acyl group (R 1 -CO- or R 2 -CO-) is therefore a group having an even-numbered main chain of carbon atoms.
- R1 and R2 may also be selected from the group consisting of unsaturated alkyls.
- R 1 and R 2 can be chosen from the group consisting of aliphatic groups (branched or unbranched) having at least a functional group selected from the group consisting of hydroxyls, halogens - in particular a bromine atom, a fluorine atom, an iodine atom - and amines - especially a primary amine, a secondary amine, a tertiary amine and an ionizable tertiary amine.
- Such linear glycerol carbonic esters are multifunctional compounds in that they comprise both carbonic ester groups and glycerol groups and have adjuvant properties of plant protection substances.
- a process according to the invention it is possible to simultaneously apply at least one linear carboxy ester of glycerol and at least one such phytopharmaceutical substance in contact with plants.
- a treatment composition comprising at least one linear carbonic ester of glycerol and at least one such phytopharmaceutical substance is applied in contact with plants.
- a process according to the invention it is also possible to separately apply at least one linear carbonic ester of glycerol and at least one such phytopharmaceutical substance in contact with plants.
- compositions are applied in contact with plants a composition, said composition phytopharmaceutical, mixed treatment comprising at least one linear carboxy ester of glycerol, at least one phytopharmaceutical substance and optionally a phyto-acceptable excipient, that is, to say compatible with its application on plants and acceptable by these.
- the phyto-acceptable excipient is distinct from the linear carbonic ester of glycerol and the phytopharmaceutical product.
- At least one linear glycerol carbonic ester in particular at least one glycerol carbonic ester, is applied according to at least one of formulas (III), (X) or (XI) and at least one phytopharmaceutical substance in contact with plants - especially in contact with aerial parts of said plants, in contact with subterranean parts of said plants, or in contact with seeds of said plants - at any stage of development or growth of said plants.
- composition comprising at least one linear carbonic ester of glycerol and at least one phytopharmaceutical substance.
- Plants can be treated at the seedling stage, that is to say on a young plant with only a limited number of leaves, or on juvenile plants - especially on plants at a pre-bloom stage, or on plants in the course of flowering (before, during or after pollination), or on plants after fertilization, or on plants in the process of fruiting.
- flowers and / or fruits and / or leaves and / or stems of plants are treated in culture.
- At least one linear glycerol carbonic ester and at least one phytopharmaceutical substance are applied in contact with plants chosen from the group consists of fruit trees, ornamental trees and shrubs, vegetables, cereals, various floral cultures and aromatic plants.
- plants chosen from the group consists of fruit trees, ornamental trees and shrubs, vegetables, cereals, various floral cultures and aromatic plants.
- said plants are selected from the group consisting of market garden plants, plants of industrial culture-that is to say on a crop intended for the production of a raw material for industrial processing. (for example, a production crop of textile fibers, such as flax, hemp or cotton), field crops such as cereals, oilseeds, protein crops or tobacco, trees , ornamental shrubs and food crop plants.
- said plants are chosen from the group consisting of cereals and cereal products (for example wheat, rapeseed, barley, maize, rye, oats, millet, sorghum, buckwheat, buckwheat, quinoa anserine, fonio, triticale, alpiste, and mixtures thereof).
- cereals and cereal products for example wheat, rapeseed, barley, maize, rye, oats, millet, sorghum, buckwheat, buckwheat, quinoa anserine, fonio, triticale, alpiste, and mixtures thereof).
- said plants are chosen from the group consisting of root and tuber crops such as potatoes, sweet potatoes, cassava, rutabagas, turnips, caribbean cabbage, taro, and yams.
- said plants are chosen from the group consisting of sacchariferous plants, such as, for example, sugar cane, sugar beet, sugar maple, sugar sorghum and sugar palm.
- said plants are chosen from the group consisting of leguminous plants such as, for example, beans, beans, peas, chick peas, cow peas, pigeon peas, lentils, peas. bombara, vetches and lupins.
- said plants are chosen from the group formed of nuts such as for example walnuts, Brazil nuts, mahogany nuts, canary nuts, chestnuts, almonds, pistachios , cola nuts, hazelnuts, areca nuts and pine nuts.
- said plants are chosen from the group formed by oleiferous plants such as, for example, soya, coconut, olives, shea nuts, castor oil, sunflower seeds, rapeseed, abrasin, jojoba seeds, safflower, sesame, mustard, carnation, melon seeds, eggplant seeds, kapok fruit, cottonseed, flaxseed and seeds hemp.
- oleiferous plants such as, for example, soya, coconut, olives, shea nuts, castor oil, sunflower seeds, rapeseed, abrasin, jojoba seeds, safflower, sesame, mustard, carnation, melon seeds, eggplant seeds, kapok fruit, cottonseed, flaxseed and seeds hemp.
- said plants are chosen from the group consisting of vegetables, such as, for example, cabbages, artichokes, asparagus, lettuce, chicory, endive chicory, celery, lamb's lettuce, endives, faba beans, spinach, aubergines, chard, cassava leaves, tomatoes, cauliflower, squash, pumpkins, pumpkins, pickles, cucumbers, aubergines, peppers, radishes, garlic, peppers, onions, shallots, fresh pitch, leeks, beans, fresh beans, carrots, okra, fresh corn, mushrooms, watermelons, melon, hops and cantaloupe.
- vegetables such as, for example, cabbages, artichokes, asparagus, lettuce, chicory, endive chicory, celery, lamb's lettuce, endives, faba beans, spinach, aubergines, chard, cassava leaves, tomatoes, cauliflower, squash, pumpkins, pumpkins, pickles, cucumbers, aubergines, peppers, radishes, garlic, peppers, onions, shall
- said plants are chosen from the group consisting of fruits such as bananas, plantains, citrus fruits (oranges, lemons, limes, tangerines, mandarins, clementines, satsumas, grapefruit, pomelos, etc.).
- fruit such as bananas, plantains, citrus fruits (oranges, lemons, limes, tangerines, mandarins, clementines, satsumas, grapefruit, pomelos, etc.).
- stone fruits apricots, cherries, peaches, nectarines, plums, sour cherries
- pome fruits apples, pears, quince
- strawberries raspberries, currants, currants, blueberries, berries, grapes, figs, persimmons, kiwis, mangos, avocados, pineapples, dates, mahogany apples, papayas, lychees and passion fruit.
- said plants are chosen from the group formed by fibrous plants.
- said plants are chosen from the group consisting of aromatic plants and spice plants, for example parsley, garlic, chives, pepper, chilli, vanilla, cinnamon, cloves. , ginger, nutmeg, mace, cardamom, anise, star anise and fennel.
- said plants are chosen from the group formed by floral culture plants, for example chrysanthemums, hydrangeas, carnations, rosebushes and tulips.
- said plants are chosen from the group consisting of oleaginous plants and / or protein crops (rapeseed, sunflower, flax, soybean), forage plants (alfalfa, corn foraging, beetroot, cabbage, sorghum, ray grasses, clover), vines, vegetable crops, flower crops, hydroponic plants, tropical crops, tropical fruit trees (eg banana, pineapple, avocados, mango, papaya, cashew nuts, etc.), stimulating plants (coffee, cocoa, tea, mate), tropical oilseeds (eg oil palms, coconut palms, peanuts) and cotton plants .
- oleaginous plants and / or protein crops rapeseed, sunflower, flax, soybean
- forage plants alfalfa, corn foraging, beetroot, cabbage, sorghum, ray grasses, clove
- At least one phytopharmaceutical substance is chosen from the group formed by herbicides.
- at least one phytopharmaceutical substance is chosen from the group formed:
- - organic herbicides including:
- ⁇ herbicides of the acetamide family such as, for example, diphenamide, napropamide, naproanilide, acetochlor, alachlor, butachlor, dimethachlor, dimethenamide, dimethenamid-P, fentrazamide, metazachlor, metolachlor (R and S isomers), pethoxamide, pretilachlor, propachlor, propisochlor, S-metolachlor, thenylchlor, flufenacet and mefenacet and their optical isomers.
- ⁇ herbicides of the family dinitroanilines for example benfluralin, butraline, fluchloraline, nitraline, orysaline, pendimethalin and trifluralin;
- ⁇ pre-emergent and / or post-emergence herbicides of the substituted urea family eg chlortoluron, chloroxuron, cycluron, diuron, ethidimuron, fenuron, isoproturon, linuron, monolinuron, methabenzthiazuron, metobromuron, metoxuron, monuron, thiazafluron, tebuthiuron, thiazafluron, siduron and neburon;
- ⁇ herbicides from the triazine family for example atrazine, cyanazine, methoprotrin, propazine, terbuthylazine, simazine, simetryne, secbumeton, terbumeton, amtreinne, desmétryne, prometryne, and terbutryne;
- Herbicides of the imidazolinone family for example imazamethabenz and imazapyr;
- ⁇ sulfonylurea family herbicides for example amidosulfuron, azimsulfuron, nicosulfuron and chlorsulfuron;
- ⁇ herbicides of the diphenyl ether family for example acifluorfen-sodium, aclonifen, bifenox, bromofenoxime, chlomethoxyfene, diclofop-methyl, fluorodifene, fomesafen, lactofen, nitrofen, and oxyfluorfen;
- herbicides of the family of synthesis of phytohormones such as synthetic auxins such as 2,4-dichloro phenoxyacetic acid (2,4-D), 2,4,5-trichlorophenoxyacetic acid (2,4,5 -T), 2,4-MCPA, triclopyr, diclofop-methyl and derivatives of propionic and butyric acids, for example 2,4-DP (or dichlorprop), MCPP (or mecoprop), 2, 3,6-TBA, dicamba, picloram, clopyralid and flurenol;
- synthetic auxins such as 2,4-dichloro phenoxyacetic acid (2,4-D), 2,4,5-trichlorophenoxyacetic acid (2,4,5 -T), 2,4-MCPA, triclopyr, diclofop-methyl and derivatives of propionic and butyric acids, for example 2,4-DP (or dichlorprop), MCPP (or mecoprop), 2, 3,6-TBA, dicamba, picloram, clopyralid
- ⁇ herbicides from the photosystem II inhibitor family photosystemic I inhibitors, acetolactate synthase (ALS) inhibitors, 4-hydroxyphenylpyruvate dioxygenase (HPPD) inhibitors, acetyl coenzyme A carboxylase inhibitors (ACCase), Cell Division Inhibitors, Phytoene Desaturase Inhibitors (PDS), Lipid Metabolism Inhibitors, and Protoporphyrinogen Oxidase Inhibitors (PPGO), such as atrazine, methyl-halosulfuron, terbuthylazine , dicamba, fluthiacet-methyl, pyridate, butafenacil, NOA402989, terbutryn, simazine, prosulfuron, primisulfuron, imazapyr, sethoxydim, flufenacet, cloransulam, diclosulam, metribuzin, isopropazol, isoxaflutole, iodo
- herbicides from the family of lipid metabolism inhibitors such as chlorazifop, clodin, afop, clofop, cyhalofop, diclofop, fenoxaprop, fenoxaprop-p, fenthiaprop, fluazifop, fluazifop-P , haloxyfop, haloxyfop-P, isoxapyrifop, metamifop, propaquizafop, quizalofop, quizalofop-P, trifop, alloxydim, butroxydim, clethodim, cloproxydim, cycloxydim, profoxydim , sethoxydim, tepraloxydim, tralkoxydim, butylate, cycloate, diallate, dimepiperate, EPTC, esprocarb, ethiolate, isopolinate, methiobencarb
- ALS acetolactate synthase
- ⁇ herbicides from the family of photosynthetic inhibitors such as atraton, atrazine, ametryne, aziprotryne, cyanazine, cyanatryn, chlorazine, cyprazine, desmetryne, dimethametryne, dipropetryn, ⁇ eglinazine, ⁇ ipazine, mesoprazine, methometon, methoprotryne, procyazine, proglinazine, prometon, prometryne, propazine, sebuthylazine, secbumeton, simazine, simeton, simetryne, terbumeton, terbuthylazine , terbutryne, trietazine, ametridione, amibuzin, hexazinone, isomethiozin, metamitron, metribuzin, bromacil, isocil, lenacil, terbacil, brompyrazon,
- protoporphyrinogen IX oxidase such as acifluorfen, bifenox, chlomethoxyfen the the chlomitrofen, the ethoxyfen, the fluorodifen, fluoroglycofen the the fluoronitrofen, fomesafen, furyloxyfen the the halosafen , lactofen, nitrofen, nitrofluorfen, oxytluorfen, fluazolate, pyraflufen, cinidon-ethyl, flumiclorac, flumioxazin, flumipropyn, fluthiacet, thidiazimin, oxadiazon, oxadiargyl, azafenidine, carfentrazone, sulfentrazone, pentoxazone, benzfendizone, butafenacil, pyraclonil, profluazol, flufenpyr
- ⁇ herbicides of the carbamate family including:
- carbamic acid derivatives for example asulam, barbam, chlorbufam, chlorpropham, propham and carbetamide;
- thiocarbamic acid for example butilate, cycloate, diallate, triallate, EPTC, molinate, prosulfocarb, vernolate, pedulate and thiobencarb;
- dithiocarbamic acid for example metam sodium and nabam
- o biscarbamates for example desmedipham, phenmedipham and karbutylate
- herbicides of the family of quaternary ammonium for example diquat, paraquat and difenzoquat;
- chloroplast acetyl coenzyme A carboxylase (ACCase) inhibitor herbicides for example alloxydim sodium and clodinafoppropargyl;
- ⁇ herbicides by laundering such as metflurazon, norflurazon, the flufenican, diflufenican, picolinafen, beflubutamid, fluridone, the fluorochloridone, flurtamone, mesotrione, sulcotrione, ⁇ isoxachlortole, ⁇ isoxaflutole the benzofenap, the pyrazolynate, pyrazoxyfen, benzobicyclon, amitrole, clomazone, aclonifen, 4- (3-trifluoromethylphenoxy) -2- (4-trifluoromethylphenyl) pyrimidine;
- DHP (DHP) synthase such as asulam
- ⁇ herbicides of the family of mitosis inhibitors such as benfluralin, butralin, dinitramine, ethalfluralin, fluchloralin, isopropalin, methalpropalin, nitralin, oryzalin, pendimethalin, prodiamine, profluralin, trifluralin, amiprofos-methyl, butamifos, dithiopyr, thiazopyr, propyzamide, tebutam, chlorthal, carbetamide, chlorbufam, chlorpropham, propham;
- ⁇ herbicides from the family of VLCFA synthase inhibitors such as acetochlor, alachlor, butachlor, butenachlor, delachlor, diethatyl, dimethachlor, dimethenamid, dimethenamid-P, metazachlor, metolachlor , S-metolachlor, pretilachlor, propachlor, propisochlor, prynachlor, terbuchlor, thenylchlor, xylachlor, allidochlor, CDEA, ⁇ epronaz, diphenamid, napropamide, naproanilide, pethoxamid, flufenacet, mefenacet, fentrazamide, anilofos, piperophos, cafenstrole, indanofan, tridiphane;
- ⁇ herbicides of the family of cellulose biosynthesis inhibitors such as dichlobenil, chlorthiamid, isoxaben, flupoxam;
- ⁇ decoupling family herbicides such as dinofenate, dinoprop, dinosam, dinoseb, dinoterb, DNOC, ⁇ etinofen, medinoterb;
- auxinic herbicides such as clomeprop, 2,4-D,
- At least one phytopharmaceutical substance is selected from the group consisting of bromoxynil, nicosulfuron, tembotrione and tritosulfuron.
- at least one phytopharmaceutical substance is chosen from the group formed by post-emergence herbicides.
- At least one phytopharmaceutical substance is chosen from the group consisting of fungicides.
- At least one phytopharmaceutical substance is chosen from the group formed:
- an inorganic salt of copper or an organic salt of copper e.g. cubiet (copper bis (ethoxy-dihydroxy-diethylamino) sulfate),
- contact fungicides of the carbamate family for example, prothiocarb, zineb, maneb, mancozeb, propineb, benthiavalicarb-isopropyl, carbendazim, diethofencarb, iprovalicarb, thiophanate-methyl, thiram , ziram, ferbam, metiram, metam, diethofencarb, flubenthiavalicarb, propamocarb, methyl 3- (4-chlorophenyl) -3- (2-isopropoxycarbonylamino-3-methylbutyrylamino) propionate, 4-fluorophenyl N 1- (1- (1- (4-cyanophenyl) ethanesulfonyl) but-2-yl) carbamate and carbatene;
- systemic fungicides derived from carbaric acid and benzimidazoles, for example benomyl, carbendazim, fuberidazole, thiabendazole, propamocarb and diethofencarb;
- IBS imidazole
- imidazole family for example fenapanil, imazalil, prochloraz, cyazofamide, fuberidazole, pefurazoate, thiabendazole, fenamidone, triazoxide, benomyl, carbendazim, fuberidazole, thiabendazole, 2- (thiocyanomethylthio) benzothiazole (TCMTB) and triflumizole; systemic fungicides which inhibit the synthesis of sterols (IBS) of the pyrimidine family, for example buthiobate, fenarimol, pyrifenox, ferimzone, mepanipyrim, bupirimate, nuarimol, fenpiclonil, pyrimethanil, cyprodinil fludioxonil and triforine;
- IBS aldimorph
- dodemorph dodemorph
- fenpropimorph dimethomorph
- tridemorph tridemorph
- systemic fungicides inhibiting sterol synthesis IBS and the triazole family, for example bitertanol, cyproconazole, hexaconazole, tetraconazole, bromuconazole, fenbuconazole, fluquinconazole, imibenconazole, ipconazole, ⁇ enilconazole, triadimefon, triadimenol, voriconazole, prothioconazole, simeconazole, triticonazole, posaconazole, myclobutanil, prothioconazole, tebuconazole, difenoconazole, voriconazole, metconazole, dichlobutrazole, prochloraz, diniconazole , etaconazole, epoxiconazole, flusilazol, flutriafol, penconazol, propiconazole, triadimef
- fungicides of the family of succinate dehydrogenase inhibitors for example bixafen, furametpyr and fluxapyroxad;
- fungicides of the strobilurin family for example azoxystrobin, dimoxystrobin, fluoxastrobin, kresoxim, kresoxim-methyl, enestroburin, metominostrobin, picoxystrobin, pyraclostrobin, trifloxystrobin, orysastrobin, methyl (2-chloro-5- [1 - (3-methylbenzyloxy) ethyl] benzyl) carbamate, methyl (2-chloro-5- [1- (6-methylpyridin-2-ylmethoxyimino) ethyl] benzyl) carbamate, methyl 2- ( ortho ((2,5-dimethylphenyloxymethylene) phenyl) -3-methoxyacrylate and pyraclostrobin;
- fungicides of the quinazolinone family for example proquinazid
- fungicides of the family of quinolines for example quinoxyfen
- fungicides of the benzophenone family for example metrafenone
- fungicides of the thiophene family for example silthiofam
- fungicides of the carboxamide family for example penflufen
- fungicides of the family of dicarboximides for example captafol, captan, famoxadone, folpet, iprodione, procymidone, vinclozolin;
- fungicides of the anilinopyrazole family for example sedaxane
- fungicides of the organochlorine family for example chlorothalonil
- fungicides of the amide family such as boscalid, carboxin, carpropamid, dicyclomet, ethaboxam, fenfuram, fenhexamid, flusulfamide, flutolanil, furametpyr, benalaxyl, mepronil, carboxin, benodanil, ofurace, oxadixyl, flutolanil, pyracarbolid, thiofluzamide, tiadinil, zoxamide, metalaxyl, oxycarboxin, penthiopyrad, tiadinil, N- (4'-bromobiphenyl-2-yl) 4-difluoromethyl-2-methylthiazole-5-carboxamide, N- (4'-trifluoromethylbiphenyl-2-yl) -4-difluoromethyl-2-methylthiazole-5-carboxamide, N- (4'-chloro-3 ') 4-fluorobi
- fungicides of the aromatic family such as chloroneb, chlorothalonil and quitozene
- fungicides of the family of nitrogen aliphatic such as cymoxanil
- fungicides of the pyridines family such as fluazinam, pyrifenox, 3- [5- (4-chlorophenyl) -2,3-dimethylisoxazolidin-3-yl] pyridine and fluopicolide;
- fungicides such as diclomezine, dithianon, pencycuron, pyroquilon, tricylazole, 2- [2 (2,5-dimethylphenoxymethyl) phenyl] -2-methoxy-N-methylacetamide, acibenzolar-S-methyl , anilazine, captan, captafol, dazomet, diclomezine, fenoxanil, folpet, fenpropidin, famoxadone, fenamidone, octhilinone, probenazole, proquinazid, pyroquilon, quinoxyfen, tricyclazole , 5-chloro-7- (4-methylpiperidin-1-yl) -6- (2,4,6-trifluorophenyl) - [1,2,4] triazolo [1,5-a] pyrimidine, 2- butoxy-6-iodo-3-propylchromen-4
- At least one phytopharmaceutical substance is chosen from the group formed by insecticides.
- At least one phytopharmaceutical substance is chosen from the group formed:
- organohalogens in particular organochlorines, for example DDD, DDT, perthane, metoxychlor, dicofol, lindane, chlordane, heptachlor, aldrin, dieldrin, endrin, chlordecone perchlordecone, dienochlor, endosulfan, toxaphene, polychlorocamphene, chlorfenetol, mirex, pentachlorophenol and chlorbenside; - insecticides of the family of aliphatic organophosphorus, for example acephate, demeton, dichlorvos, dicrotophos, dimethoate, ethion, formothion, malathion, mevinphos, monocrotophos, naled, omethoate phorate, phosphamidon, thiometon, vamidothion and trichlorfon;
- organochlorines for example DDD, DDT, perthane, metoxychlor, dic
- insecticides of the organophosphorus phenyl family for example bromophos, chlorfenvinphos, fenitrothion, fenthion, fonofos, isofenphos, parathion, ethyl parathionl, methyl parathion, phosalone, profenofos, temephos, heptenophos, mevinphos, trichlorfon, phosalone, triazophos, thiometon and protiophos;
- insecticides of the family of heterocyclic organophosphorus compounds for example chlorpyrifos, diazinon, etirirrifos, isoxation, quinalphos, methidation and phosmet;
- aliphatic carbamate family insecticides for example aldicarb, methomyl, oxamyl, thiodicarb, benfuracarb, diallate, dimetan, ethiophencarb, fenoxycarb, formetanate, formetanate hydrochloride, mercaptodimethur and thiofanoxe;
- Insecticides of the carbamate family with aromatic structure for example aminocarb, BPMC, carbaryl, isocarb, isoprocarb (MICP), methiocarb, metolcarb (MTMC), mexacarb, promecarb and propoxur;
- carbamate family insecticides with a heterocyclic structure for example bendiocarb, carbofuran, dimetilan, dioxacarb and pirimicarb;
- - insecticides of the synthetic pyrethroid family for example bifenthrin, bioresmethrin, deltamethrin, depallethrin, ethofenprox, fenpropathrin, cypermethrin, fenvalerate, esfenvalerate, cyfluthrin, alphamethrin, tralomethrin, fluvalinate, permethrin, lambda-cyhalothrin, flucythrinate, tefluthrin, tralomethrin, zetacypermethrin and betacyfluthrin; - insecticides of the family of sulfones and sulfonates, for example tetrasul, tetradifon and propargite;
- insecticides of the family formamidines for example amitraz, chlordimeform and formetanate;
- insecticides of the benzoylurea family for example diflubenzuron, teflubenzuron, rhexflumuron, lufenuron and triflumuron;
- insecticides of the carbinol family for example dicofol, chlorobenzilate, chloropropylate, chlorfenetol and bromopropylate;
- - insecticides of plant origin for example pyrethrum derivatives, rotenones, nicotine, azadirachtin, azadirine, certain alkaloids
- At least one insecticide phytopharmaceutical is selected from the group consisting of clothianidin, imidacloprid, thiamethoxam, acetamiprid, thiacloprid, abamectin, emamectin benzoate, spinosyns A and B, bendiocarb , carbaryl, carbofuran, pirimicarb, isoprocarb, methiocarb, thiodicarb, acrinathrin, deltamethrin, ethiprole, flupronil, coumaphos, flubendiamide, bistrifluoron, chlofluazuron, diflubenzuron flucycloxuron, hexaflumuron, novaluron, teflubenzuron, triflumuron and buprofezin.
- At least one insecticidal phytopharmaceutical is selected from the group consisting of organo (thio) phosphate compounds such as acephate, azamethiphos, azinphos-methyl, chlorpyrifos, chlorpyrifos-methyl, chlorfenvinphos, diazinon, dichlorvos, dicrotophos, dimethoate, disulfoton, ethion, fenitrothion, fenthion, isoxathion, malathion, methamidophos, methidathion, methylparathion, mevinphos, monocrotophos, oxydemeton-methyl, paraoxon, parathion, phenthoate, phosalone, phosmet, phosphamidon, phorate, phoxim, pirimiphos-methyl, profenofos, prothiofos, sulprophos, tetrachlorvinphos, terbufos, triazo
- At least one insecticidal phytopharmaceutical substance is selected from the group consisting of carbamates such as alanycarb, aldicarb, bendiocarb, benfuracarb, carbaryl, carbofuran, carbosulfan, fenoxycarb, furathiocarb, methiocarb, methomyl, oxamyl, pirimicarb, propoxur, thiodicarb, triazamate.
- carbamates such as alanycarb, aldicarb, bendiocarb, benfuracarb, carbaryl, carbofuran, carbosulfan, fenoxycarb, furathiocarb, methiocarb, methomyl, oxamyl, pirimicarb, propoxur, thiodicarb, triazamate.
- At least one insecticidal plant protection substance is selected from the group consisting of pyrethroids such as allethrin, bifenthrin, cyfluthrin, cyhalothrin, cyphenothrin, cypermethrin, alpha-cypermethrin, betacyperrnethrin, zeta-cypermethrin, deltamethrin, esfenvalerate, etofenprox, fenpropathrin, fenvalerate, imiprothrin, lambda-cyhalothrin, gamma-cyhalothrin, permethrin, prallethrin, pyrethrins I and H, resmethrin, silafluofen, tau -fluvalinate, tefluthrin, tetramethrin, tralomethrin, transfluthrin, profluthrin
- At least one insecticidal plant protection substance is selected from the group consisting of growth regulators such as chlorfluazuron, diflubenZuron, flucycloxuron, flufenoxuron, hexaflumuron, lufenuron, novaluron, tefluben, Vietnameseon, triflumuron, buprofezin, diofenolan, hexythiazox, etoxazole, clofentazine, halofenozide, methoxyfenozide, tebufenozide, azadirachtin, pyriproxyfen, methoprene, fenoxycarb, spirodiclofen, spiromesifen, spirotetramat.
- growth regulators such as chlorfluazuron, diflubenZuron, flucycloxuron, flufenoxuron, hexaflumuron, lufenuron, novalu
- At least one insecticidal plant protection substance is selected from the group consisting of nicotinic receptor agonists / antagonists such as clothianidin, dinotefuran, imidacloprid, thiamethoxam, nitenpyram, acetamiprid, thiacloprid.
- At least one insecticidal plant protection substance is selected from the group consisting of agonists / antagonists of the GABA receptor such as acetoprole, endosulfan, ethiprole, flupronil, vaniliprole, pyrafuprole, pyriprole.
- At least one insecticidal plant protection substance is selected from the group consisting of macrocyclic lactone insecticides such as abamectin, emamectin, milbemectin, lepimectin, spinosad.
- At least one insecticidal phytopharmaceutical is selected from the group consisting of fenazaquin, pyridaben, tebufenpyrad, tolfenpyrad, flufenerim, acequinocyl, fluacyprim, hydramethylnon, chlorfenapyr, cyhexatin, diafenthiuron, fenbutatin oxide, propargite, cyromazine, piperonyl butoxide, indoxacarb, metaflumizone, benclothiaz, bifenazate, cartap, flonicamid, pyridalyl, pymetrozine, sulfur, thiocyclam, flubendiamide, cyenopyrafen, flupyrazofos, cyflumetofen, amidoflumet.
- At least one phytopharmaceutical substance is chosen so as to promote the growth and development of plants, insofar as they are not plant nutrients.
- At least one phytopharmaceutical substance is chosen from the group formed by microorganisms.
- at least one phytopharmaceutical substance is chosen from the group formed of genetically modified microorganisms.
- at least one phytopharmaceutical substance is selected from the group consisting of extracts - or fractions - of such microorganisms, genetically modified or not, and secondary metabolites of genetically modified or non-genetically modified microorganisms.
- RI is an organic group formed of elements selected from the group consisting of carbon (C), hydrogen (H) and oxygen (O);
- non-carbon esters of glycerol especially glycerol laurate
- the invention relates to a composition, called a phytopharmaceutical composition, comprising:
- At least one glycerol carbonic ester comprising at least one ester function formed between a group derived from carbonic acid and at least one group derived from glycerol
- phytopharmaceutical substance selected from the group consisting of fungicidal substances, fungistatic substances, bactericidal substances, bacteriostatic substances, insecticidal substances, acaricidal substances, herbicidal substances, parasiticidal substances, nematicides and rodenticidal substances , taupicidal substances, substances containing corvifuents, corvicidal substances, molluscicidal substances, repulsive substances of birds and / or mammals, particularly game animals;
- At least one glycerol carbonic ester is a linear carboxy ester of glycerol and in that at least one phytopharmaceutical substance is distinct from each glycerol carbonic ester.
- the invention therefore relates to a plant protection composition, comprising:
- At least one linear carboxy ester of glycerol in particular at least one glycerol carbonic ester according to one of formulas (III), (X) or (XI); wherein at least one group derived from glycerol is covalently linked to a group derived from carbonic acid by a single ester linkage.
- Such a phytopharmaceutical composition may optionally comprise a phyto-acceptable excipient other than a glycerol carbonic ester.
- the inventors have found that such a phytopharmaceutical composition when it is brought into contact with aerial parts of plants does not harm the growth and development of the plants, does not deteriorate the cuticle of the leaves of the plants, does not cause plant burns and surprisingly improves the efficacy of the plant protection substance.
- a plant protection composition according to the invention constitutes an adjuvant in that it improves the efficacy of the plant protection substance and a vector of said plant protection substance. It reduces the quantity of plant protection substance to be applied to plants and the environment for at least equivalent effectiveness and contributes to the preservation of this environment.
- Such a phytopharmaceutical composition according to the invention is adapted to be applied to plants and meets the standards of protection and preservation of the environment.
- the phytopharmaceutical composition according to the invention does not in itself have any toxicity for human or animal health.
- the glycerol carbon esters - especially the linear carboxy esters of glycerol - are biodegradable and are not likely to accumulate in the soil or contaminate groundwater following their application to plants.
- the glycerol carboxy esters - in particular the linear carboxy esters of glycerol - are "biobased", that is to say obtained from natural resources - particularly vegetable resources - inexpensive and renewable. They therefore have a low cost and can be applied economically in the field on plants.
- the linear carbonyl esters of glycerol can contribute to surprisingly improve the effectiveness of at least one phytopharmaceutical substance applied to plants.
- at least one linear carboxy ester of glycerol as adjuvant of at least one phytopharmaceutical substance.
- a phytopharmaceutical composition according to the invention comprises:
- RI is an organic group formed of elements selected from the group consisting of carbon (C), hydrogen (H) and oxygen (O);
- non-carbon esters of glycerol especially glycerol laurate
- Such a phytopharmaceutical composition is therefore variable and adaptable according to the synthesis process of the linear carboxylic ester of glycerol so as to optimize the application of the substance phytopharmaceutical chosen, depending on the plant on which the plant protection substance is to be applied and depending on the desired effect.
- such a phytopharmaceutical composition is liquid and stable in time and as a function of the temperature, in particular between -60 ° C. and + 60 ° C.
- the invention also relates to the use of a phytopharmaceutical composition according to the invention in application to plants.
- the invention therefore relates to the use of a plant protection composition according to the invention for the treatment of plants.
- the invention particularly relates to the use of such a phytopharmaceutical composition comprising at least one linear glycerol carbonic ester and at least one phytopharmaceutical substance distinct from a glycerol carbonic ester and selected from the group consisting of fungicidal substances, substances fungistatics, bactericidal substances, bacteriostatic substances, insecticidal substances, herbicidal substances and parasiticidal substances, said agents being capable of being applied to the aerial parts of plants for combating pests for the growth and development of plants .
- the invention also relates to a method of treating plants and a plant protection plant protection composition characterized in combination by all or some of the characteristics mentioned above or below.
- At least one phytopharmaceutical substance and at least one linear carboxy ester of glycerol are applied to aerial parts of plants.
- Linear carboxy esters of glycerol in particular linear glycerol carbonyl ester oligomers of general formulas (III), (X) or (XI), can be obtained by a synthesis process starting from at least one cyclic carbonic ester.
- ZnSO 4 zinc sulphate
- ZnSO 4 zinc stearate
- FeSO 4 iron sulphate
- FePO 4 phosphate iron
- MnSO 4 manganese sulphate
- ZnO zinc oxide
- calcium carbonate Ca 2 CO 3
- sodium carbonate Na 2
- glycerol cyclic carbon esters in particular cyclic glycerol / ⁇ -acyl carbons of formula (VIII) and / or glycerol carbonate, organic initiator and catalyst are mixed.
- metal in a reactor which is hermetically closed and is heated to a temperature of between 150 ° C and 220 ° C and so as to place the liquid mixture under a pressure, called autogenous pressure, greater than or equal to the pressure atmospheric.
- the oligomerization of the cyclic carbonic esters of glycerol is controlled and the formation of linear carboxy esters of glycerol-in particular linear carboxy esters of glycerol of general formulas (III), (X) or (XI) - by controlling the autogenous pressure generated by heating the synthesis medium in the hermetically sealed reactor.
- a synthesis medium comprising at least one linear carboxy ester of glycerol which is applied to plants.
- Such a synthesis medium may comprise, in addition to at least one linear glycerol carbonic ester, at least one cyclic five-membered glycerol carbonic ester.
- Such a reaction medium may comprise 5-membered or 4- (hydroxymethyl) -1,3-dioxolan-2-cyclic glycerol carbonate (CAS 931-40-8) which can be obtained by a synthetic method described by example in FR 2 733 232.
- Such a synthesis medium may comprise at least one glycerol / ⁇ -acyl cyclic carbonic ester of general formula (VIII) which may be obtained by any appropriate method.
- a glycerol / '-acylated cyclic carbonic ester of formula (VIII) can, for example, be obtained by a synthesis process in which an acylation of a glycerol cyclic carbonic ester of formula (I) is carried out.
- such an acylation is carried out by dropwise addition, with stirring, of carbonic cyclic ester of glycerol or glycerol carbonate in a liquid medium comprising an amount of at least one fatty acid (for example non-limiting of the amount of heptanoic acid, nonanoic acid, undecylenic acid or oleic acid) and 4-methylbenzenesulfonic acid (CAS No. 6192-52-5, para-toluenesulfonic acid, ApTs) brought to a temperature of the order of 110 ° C., under a pressure of the order of 800 hPa.
- the reaction mixture obtained is stirred at 110 ° C. and 900 hPa for about 3 hours.
- the ⁇ / ⁇ '-heptanoylated glycerol cyclic carbonic ester (ECG-C 7 )
- the cyclic ⁇ / ⁇ '-nonanoylated glycerol carbonic ester (ECG-C 9 )
- ECG-C 11: 1 ⁇ / ⁇ '-oleylated cyclic glycerol carbonic ester
- the cyclic carbonic ester of ⁇ / ⁇ '-acetylated glycerol or glycerol carbonate acetate (ECG-C 2 ) is obtained by adding acetic anhydride to glycerol in the presence of an ion exchange resin in the presence of of catalyst and maintaining the temperature of the reaction medium at 50 ° C with mechanical stirring for about 4 hours.
- the glycerol carbonate acetate is purified by the thin film technique at a temperature of 170 ° C. and under reduced pressure.
- cyclic glycerol- ⁇ -acyl carboxy esters in particular cyclic glycerol- ⁇ -heptanoic carbonic ester (ECG-C 7 ), cyclic glycerol carbonic ester is carried out.
- the reaction medium is diluted in 150 ml of ethyl ether and the mixture obtained is placed in a 1 L separating funnel. The mixture is washed successively with 4 volumes of saturated NaCl water until the aqueous phase is neutral. The washed organic phase is dried over magnesium sulfate and is separated from the magnesium sulfate hydrate by filtration. The ether of the organic phase is removed by evaporation under reduced pressure. A mass of dry product of 277 g is obtained.
- the ⁇ - ⁇ -acyl cyclic glycerol carbonic ester is separated from the excess fatty acids by thin-film distillation under reduced pressure (0.6 hPa) at a temperature below the boiling point of the fatty acid under this reduced pressure and lower than 155 ° C.
- Cyclic carbonate glycerol / 'acylated whose purity evaluated by gas chromatography is between 85% and 95%.
- EXAMPLE 3 Synthesis of the cyclic carbonic ester of ⁇ / ⁇ '-acetylated glycerol (ECG-C 2 )
- ECG-C 2 cyclic carbonic ester of ⁇ / ⁇ '-acetylated glycerol
- 472 g of cyclic carbonate of glycerol (4- (hydroxymethyl) -1,3-dioxolan-2-one, CAS 931-40-8) and 4 g of Lewatit K2431 resin 6 moles of acetic anhydride are added dropwise to the reactor so as to control and maintain the temperature of the reactor at 50 ° C. with mechanical stirring at 800 rpm for 4 hours.
- the excess acetic anhydride is removed by evaporation at a temperature of 60 ° C. and a reduced pressure of 55 hPa.
- the linear glycerol carboxylic acid ester is purified by the thin film technique carried out in an evaporator / separator at a temperature of 170 ° C. and under a reduced pressure of 0.33 hPa.
- the ⁇ -acetylated cyclic glycerol carbonic ester is obtained, the purity evaluated by gas chromatography being between 85% and 98%.
- EXAMPLE 4 Synthesis of Acetylated Glycerol Carbonate Oligomers (OECG-C 2 ) by Oligomerization of the Cyclic Carbonic Ester of ⁇ / ⁇ '-acetylated glycerol (ECG-C 2 ).
- ECG-C 2 as obtained in Example 3 are brought into contact with 125 mg of zinc stearate (Zn (C 18 H 35 O 2 ) 2 as a catalyst and 3.75 g
- the reaction medium is then heated in the hermetically sealed reactor to reach the temperature of 160 ° C. under autogenous pressure, and the pressure is then brought back to atmospheric pressure and maintained. the temperature of 160 ° C.
- the gel permeation chromatography analysis demonstrates the formation of oligomers of molecular mass of 714 g / mol, 335 g / mol, 206 g / mol, 139 g / mol and 92 g / mol
- the mass spectrum produced on the reaction medium has signals corresponding to molecular ions and fragments of values m / z ranging between 180.9 and 761.4 and corresponding to oligomers of formulas (A) and (B) below:
- a is 1, 2, 3, 4, 5, 6, 7 or 8, and
- g can be 1, 2, 3, 4, 5, 6, 7, 8, 9 or 10.
- EXAMPLE 5 Synthesis of Acetylated Glycerol Carbonate Oligomers (OECG-C 2 ) by Oligomerization of the ⁇ / ⁇ '-acetylated Cyclic Glycerol Carbonic Ester (ECG-C 2 )
- ECG-C 2 as obtained in Example 3 are brought into contact with 125 mg of zinc sulphate (ZnSO 4 ) as catalyst and 3.75 g of glycerol as initiator. organic in a reactor that is hermetically closed. The reaction medium is then heated in the sealed reactor so as to reach the temperature of 160 ° C. under autogenous pressure, and the pressure is then brought back to atmospheric pressure and the temperature of 160 ° C for 2 hours at atmospheric pressure. The conversion rate of ECG-C 2 is 66%. Analysis by gel permeation chromatography demonstrates the formation of oligomers of number-average molecular weight of 389 g / mol, 159 g / mol and 83 g / mol.
- ECG-C 7 20 g of ECG-C 7 as obtained in Examples 1 and 2 are brought into contact with 113 mg of zinc sulphate (ZnSO 4 ) as catalyst and 2.42 g of glycerol as organic initiator in a reactor that is hermetically sealed.
- the reaction medium is then heated in the sealed reactor so as to reach the temperature of 200 ° C. under autogenous pressure, then the pressure is brought back to atmospheric pressure and the temperature of 200 ° C. is maintained for 2 hours under pressure. atmospheric.
- the conversion rate of ECG-C 7 is 64%.
- Analysis by gel permeation chromatography demonstrates the formation of oligomers of number-average molecular weight of 639 g / mole, 420 g / mole, 252 g / mole and 96 g / mole.
- ECG-C 9 20 g of ECG-C 9 as obtained in Examples 1 and 2 are brought into contact with 110 mg of zinc sulphate (ZnSO) as a catalyst and 2.15 g of glycerol as organic initiator in a solution. reactor that is hermetically sealed. The reaction medium is then heated in the sealed reactor so as to reach the temperature of 180 ° C. under autogenous pressure, then the pressure is brought back to atmospheric pressure and the temperature of 180 ° C. is maintained for 2 hours under pressure. atmospheric. The conversion rate of ECG-C 9 is 88%. Analysis by gel permeation chromatography demonstrates the formation of oligomers of number-average molecular weight of 992 g / mol, 541 g / mol, 303 g / mol and 90 g / mol.
- ZnSO zinc sulphate
- EXAMPLE 8 Synthesis of Carbonate Oligomers Undecylenoylated glycerol (OECG-C 11: 1 ) by oligomerization of cyclic glycerol carboxy ester / undecylenoylated (ECG-C 11: 1 ).
- ECG-C 11: 1 ECG-C as obtained in Examples 1 and 2 are brought into contact with 86 mg of zinc sulphate (ZnSO 4 ) as catalyst and 1.3 g of glycerol as initiator. organic in a reactor that is hermetically closed. The reaction medium is then heated in the sealed reactor so as to reach the temperature of 190 ° C. under autogenous pressure, and the pressure is then brought back to atmospheric pressure and the temperature of 190 ° C. is maintained for 2 hours under pressure. atmospheric. The conversion rate of ECG-C 11: 1 is 98%.
- EXAMPLE 9 Synthesis of glycerol carbonate oligomers / oleoyl derivatives (OECG-C 18: 1 ) by oligomerization of cyclic glycerol / oleoyl carbonic ester (ECG-C 18: 1 ).
- ECG-C 10 g of 18: 1 ECG-C are obtained as obtained in Examples 1 and 2, 50 mg of zinc sulphate (ZnSO) as catalyst and 0.7 g of glycerol as organic initiator. in a reactor that is hermetically sealed. The reaction medium is then heated in the sealed reactor so as to reach the temperature of 200 ° C. under autogenous pressure, then the pressure is brought back to atmospheric pressure and the temperature of 200 ° C. is maintained for 2 hours under pressure. atmospheric. The conversion rate of ECG-C 18: 1 is 97%.
- EXAMPLE 10 Use of linear carbonic esters of glycerol as an adjuvant for a herbicidal composition (® CREDIT 540) weed rapeseed.
- a comparative study is made of the herbicidal properties of the herbicidal composition according to the invention, that is to say a composition comprising a linear carbonic ester of glycerol as an adjuvant, with respect to herbicidal compositions obtained from known adjuvants and used at the prescribed dose.
- the herbicidal phytopharmaceutical substance (glyphosate) is applied at a rate of 810 g / ha, the herbicidal composition being applied at the rate of 200 L / ha.
- the glyphosate solution (CREDIT ® 540, Nufarm Ltd, Gennevilliers) comprises 540 g of glyphosate per liter.
- ACTIMUM (Monsanto SAS, Saint-Priest, France) comprising 460 g / L of ammonium sulphate.
- the adjuvants tested according to the invention are:
- adjuvant A comprising:
- adjuvant B comprising:
- adjuvant C comprising:
- Adjuvant B 0.15 45%
- Adjuvant A according to the invention dosed at 0.15% of the volume of the phytopharmaceutical composition, makes it possible to obtain a weed control efficacy (50%) which is reduced by 28% compared to the weed control efficacy (70%). of the plant protection composition comprising GENAMIN T-200 BM as an adjuvant, but with a dose of adjuvant according to the invention (0.15%) decreased by 50% compared to the dose of GENAMIN T-200 BM ( 0.5%).
- the adjuvants B and C according to the invention dosed at 0.15% of the volume of the plant protection composition, make it possible to obtain a weed control efficacy (45%) which is reduced by 36% compared to the weed control efficacy (70%). ) of the phytopharmaceutical composition comprising GENAMIN T-200 BM as an adjuvant, but with a dose of adjuvant according to the invention (0.15%) decreased by 50%.
- the adjuvants according to the invention make it possible to obtain a weed control efficacy (45%) which is equivalent with respect to the weed control efficacy (50%) obtained with ACTIMUM, but with a dose of adjuvant according to the invention. (0.15%) less 50%.
- EXAMPLE 11 Use of Formulated Compositions Comprising Linear Carbonyl Glycerol As Adjuvants of a Herbicide (Sulfonylurea) Herbicide Composition on Winter Wheat and Corn.
- a comparative study is made of the herbicidal properties of herbicidal compositions comprising at least one linear glycerol carbonic ester as adjuvant, relative to herbicidal compositions obtained from known adjuvants and used at the prescribed dose.
- the herbicidal phytopharmaceutical substance is a sulfonylurea.
- the adjuvant composition known is ACTIROB B (Novance SAS, Compiegne, France) comprising 642 g / L of esterified rapeseed oil.
- Adjuvant D according to the invention is a formulation comprising:
- Adjuvant D makes it possible to obtain a herbicidal efficacy (93.3%) comparable to the herbicidal efficacy (96.7%) obtained with ACTIROB B, but with a dose of adjuvant according to the invention (0.65 L / ha) reduced with respect to the dose of ACTIROB B (1 L / ha).
- EXAMPLE 12 Use of linear carbonic esters of glycerol as adjuvant of a herbicidal composition (AUXO ® ) of weeds (lambs quarters) on corn.
- AUXO ® herbicidal composition
- a comparative study is made of the weed-killing properties of maize weeds (post-emergence maize) of the herbicidal composition according to the invention comprising a linear carbonic ester of glycerol as an adjuvant, with respect to a herbicidal composition obtained from adjuvant known and used at the prescribed dose.
- the herbicidal phytopharmaceutical substance is the AUXO® formulation used at 0.75 Kg / ha and including tembotrione (50 g / L), isoxadifen (25 g / L) and bromoxynil (262 g / L).
- the herbicide composition is applied to a corn crop at 150 L / ha, the corn crop comprising an average number of chenopod plants of 7.33 plants per m 2 .
- the known adjuvant composition tested is ACTIROB B (Novance SAS, Compiegne, France).
- compositions are the following formulated compositions:
- Adjuvant E is a composition comprising 20% (w / w) of water, 20% (w / w) of glycerol and 20% (w / w) of a composition comprising glycerol polycarbonate (PCG) obtained by oligomerization glycerol carbonate catalyzed by zinc stearate;
- PCG glycerol polycarbonate
- adjuvant F is a composition comprising 30% (w / w) of glycerol and 15% (w / w) of a composition comprising oligomers of glycerol carbonate (OCG) obtained by oligomerization of glycerol carbonate catalyzed by sodium sulfate. zinc;
- OCG oligomers of glycerol carbonate
- adjuvant G is a composition comprising 30% (w / w) of glycerol and 15% (w / w) of a composition comprising oligomers of glycerol carbonate ester C 7 obtained by oligomerization of glycerol carbonate followed by a esterification of the oligomer thus obtained with heptanoic acid in the presence of para-toluenesulfonic acid as a catalyst;
- adjuvant H is a composition comprising 15% (w / w) of water, 15% (w / w) of glycerol and 15% (w / w) of a synthesis reaction medium comprising oligomers (OECG-C 2 ) C 2 esterified glycerol carbonate (linear carbonic ester of glycerol) obtained by oligomerization of C 2 cyclic glycerol carbonic acid (ECG-C 2 ), in the presence of glycerol and zinc stearate as a catalyst, at a temperature of 160 ° C for 2 hours in an autoclave.
- the composition comprises 66.6% linear glycerol carbonic ester (OECG-C 2 ) and 33.4% cyclic glycerol carbonic acid (ECG-C 2 ).
- the adjuvants E, F, G and H according to the invention make it possible to obtain a herbicidal efficacy on chenopodium superior to the herbicidal efficacy obtained with ⁇ ACTIROB B, but with an adjuvant dose according to the invention (0.25 % and 0.50%) at the dose of ACTIROB B (1%).
- EXAMPLE 13 Use of linear carbonic esters of glycerol as an adjuvant for a herbicidal composition (® Auxo) weed (panic) on corn.
- a comparative study is made of weed-killing properties (weeds) of maize with herbicidal compositions according to the invention comprising a glycerol carbonic ester as adjuvant, relative to a herbicidal composition obtained from a known adjuvant and used at the prescribed dose.
- the herbicidal phytopharmaceutical substance is the AUXO® formulation as described in Example 12.
- the herbicidal composition is applied to a corn crop at 150 L / ha, the corn crop comprising an average number of panic seedlings. plants per m 2 .
- adjuvants according to the invention tested are the formulated compositions referenced "adjuvant E”, “adjuvant F”, “adjuvant G” and “adjuvant H” and described in Example 12. The results are given in Table 5 below.
- the adjuvants E, F, G and H according to the invention make it possible to obtain a herbicidal efficacy superior to the herbicidal efficacy obtained with ⁇ ACTIROB B, but with a dose of adjuvant according to the lower invention (0.25% and 0.50%) lower than the dose of ACTIROB B (1%).
- EXAMPLE 14 Use of linear carboxy esters of glycerol as adjuvant of a herbicide composition (AUXO ® ) of weeds (global) on maize.
- AUXO ® herbicide composition
- a comparative study is made of weed-killing properties on global maize weeds with herbicidal compositions according to the invention comprising a glycerol carbonic ester as an adjuvant, with respect to a herbicidal composition obtained from a known adjuvant and used at the same time. the prescribed dose.
- the herbicidal phytopharmaceutical substance is the AUXO® formulation as described in Example 12.
- the adjuvants according to the invention tested are the formulated compositions referenced "adjuvant E", “adjuvant F", "adjuvant G” and "adjuvant H” described in Example 12. The results are given in Table 6 below.
- the adjuvants E, F, G and H according to the invention make it possible to obtain a herbicidal efficacy greater than the herbicidal efficacy obtained with ACTIROB B, but with doses of adjuvant according to the lower invention (0.25% and 0.50%) at the dose of ACTIROB B (1%).
- EXAMPLE 15 Use of linear carbonic esters of glycerol as an adjuvant for a herbicidal composition (® BIATHLON) weed (goosefoot) on corn.
- a herbicidal composition ® BIATHLON
- weed goosefoot
- a comparative study is made of the weed-killing properties of weeds (chenopods) of maize with herbicidal compositions according to the invention comprising at least one linear carbonic ester of glycerol as an adjuvant, with respect to herbicidal compositions comprising adjuvants known and used. at the prescribed dose.
- the herbicide plant protection substance is the herbicidal composition (® BIATHLON) comprising tritosulfuron (714 g / kg).
- the herbicide composition is applied to a maize crop at a rate of 50 g tritosulfuron per hectare, the maize crop comprising an average number of lamb's-quarters of 16 plants per m 2 .
- adjuvants tested are ACTIROB B (Novance SAS, Compiègne, France), ® HC DASH (BASF AGRO SAS Ecully, France) containing 5% oleic acid, 37.5% methyl esters of fatty acids and 22 5% polyoxyalkylated fatty alcohol phosphate esters.
- the adjuvants according to the invention tested are the formulated compositions referenced "Adjuvant E”, “Adjuvant F", “Adjuvant G” and “Adjuvant H” described in the example The results are given in Table 7 below.
- Adjuvants E, F, G and H according to the invention provide superior herbicidal effectiveness to herbicidal efficacy obtained with ⁇ ACTIROB B and DASH ® HC, but with a dose of adjuvant according to the invention lower ( 0.25%) at the dose of ACTIROB B and DASH ® HC (respectively 1% and 0.7%).
- EXAMPLE 16 Use of linear carbonic esters of glycerol as an adjuvant for a herbicidal composition (® BIATHLON) weed (Rumex) corn.
- a comparative study is made of weed-killing properties (Rumex) of maize with herbicidal compositions according to the invention comprising a linear carbonic ester of glycerol as adjuvant, with respect to herbicidal compositions comprising known adjuvants and used at the prescribed dose.
- the herbicide plant protection substance is the herbicidal composition (® BIATHLON) as described in Example 15.
- the herbicidal composition is applied to a corn crop at a rate of 50 g per hectare tritosulfuron, the corn crop comprising an average number of Lamb's-quarters plants of 21 plants per m 2 .
- the test known adjuvants are ACTIROB ⁇ B (Novance SAS, Compiègne, France) and the DASH HC ® (BASF Agro SAS Ecully, France).
- the adjuvants according to the invention tested are the formulated compositions referenced "Adjuvant E”, “Adjuvant F”, “Adjuvant G” and “Adjuvant H” described in the example The results are given in Table 8 below.
- Adjuvants E, F, G and H according to the invention achieve a herbicidal efficiency vis-à-vis at least Rumex herbicidal effectiveness obtained with the ACTIROB B (63%) and the DASH ® HC (63%), but with a dose of additive according to the invention lower (0.25%) at a dose of ACTIROB B and DASH HC ® (1% and 0.7%).
- EXAMPLE 17 Use of linear carbonic esters of glycerol as an adjuvant for a herbicidal composition (® BIATHLON) weed (Panic) on corn.
- a comparative study is made of weed-killing properties (Panic) of maize with herbicidal compositions according to the invention comprising at least one linear carbonic ester of glycerol as adjuvant, with respect to herbicidal compositions comprising adjuvants known and used. at the prescribed dose.
- the herbicidal phytopharmaceutical substance is the herbicidal composition (BIATHLON ® ).
- the herbicidal composition is applied to a corn crop at a rate of 50 g of tritosulfuron per hectare.
- the known adjuvant compositions tested are ACTIROB B (Novance SAS, Compiègne, France) and DASH HC ® (BASF Agro SAS Ecully, France).
- the adjuvants according to the invention tested are the formulated compositions referenced "adjuvant E", “adjuvant F", "adjuvant G” and "adjuvant H” described in Example 12. The results are given in Table 9ci- after.
- Adjuvants E, F, G and H according to the invention allow to obtain a herbicidal effectiveness at least equal to the herbicidal effectiveness achieved with the ACTIROB B (15%) and the DASH ® HC (14%), but with a dose of additive according to the invention lower (0.25%) at a dose of ACTIROB B and DASH HC ® (1% and 0.7%).
- EXAMPLE 18 Use of linear carbonic esters of glycerol as an adjuvant for a herbicidal composition (® BIATHLON) vis-à-vis the overall weed corn.
- a comparative study is made of weed-killing properties on maize global weeds with herbicidal compositions according to the invention comprising at least one linear carbonic ester of glycerol as an adjuvant, with respect to herbicidal compositions comprising known adjuvants and used at the same time. prescribed dose.
- the herbicidal phytopharmaceutical substance is the herbicidal composition (BIATHLON ® ).
- the herbicidal composition is applied to a corn crop at a rate of 50 g of tritosulfuron per hectare.
- the known adjuvant compositions tested are ACTIROB B (Novance SAS, Compiègne, France) and DASH HC ® (BASF Agro SAS Ecully, France).
- the adjuvants according to the invention tested are the formulated compositions referenced "adjuvant E", “adjuvant F", "adjuvant G” and "adjuvant H” described in Example 12. The results are given in Table 10 below.
- Adjuvants E, F, G and H according to the invention allow to obtain a herbicidal effectiveness at least equal to the herbicidal effectiveness achieved with the ACTIROB B (64%) and the DASH ® HC (62%), but with a lower adjuvant dose (0.25%) at the dose of ACTIROB B and DASH ® HC (respectively 1% and 0.7%).
- EXAMPLE 19 Use of linear carboxy esters of glycerol as an adjuvant of a herbicide composition (ARCHIPEL ® ) of weeds (ryegrass) of winter wheat.
- a comparative study is made of weed-killing properties on weeds (ryegrass) of winter wheat of herbicidal compositions according to the invention comprising a linear carbonic ester of glycerol as an adjuvant, with respect to herbicidal compositions comprising adjuvants known and used at the prescribed dose.
- the herbicidal composition ARCHIPEL ® (Syngenta AG, Dielsdorf, Switzerland) comprises 7.5 g / L of sodium iodosulfuron-methyl-, 7.5 g / L mesosulfuron-methyl, 2,42% of safener and 22.5 g / L of Mefenpyrimethyl.
- Adjuvant reference A is a commercial adjuvant.
- adjuvant M is a composition comprising a glycerol carbonate oligomer
- adjuvant N is a composition comprising an oligomer (OECG-C 18 ) obtained by reaction / oligomerization of ECG-C 18 catalyzed by zinc sulphate.
- OECG-C 18 an oligomer obtained by reaction / oligomerization of ECG-C 18 catalyzed by zinc sulphate.
- the herbicide formulation is applied to a winter wheat crop with 50 ryegrass / m 2 plants and 150 liters per hectare. The results are given in Table 11 below.
- the adjuvants M and N according to the invention make it possible to obtain herbicidal efficacy against Ray-Grass of the same order of magnitude as the herbicidal efficacy obtained with reference A (68%), but with a dose of lower adjuvant (0.15%) at the adjuvant dose (1%) of the reference.
- EXAMPLE 20 Use of linear carbonic esters as an adjuvant glycerol of a herbicidal composition (® laudis WG / EMBLEM ® / ACCENT ® 75 WG) vis-à-vis weed corn.
- a herbicidal composition ® laudis WG / EMBLEM ® / ACCENT ® 75 WG
- a comparative study is made of the weeding properties on weeds (ryegrass) of winter wheat of herbicidal compositions according to the invention comprising at least one linear carbomer ester of glycerol as adjuvant (adjuvants O, P, Q , S, V and X), relative to herbicidal compositions comprising adjuvants known and used at the prescribed dose.
- the herbicide composition is a blend of LAUDIS ® WG (BAYER CROPSCIENCE FRANCE SAS, Lyon, France) from EMBLEM ® (Nufarm SA, Gennevilliers, France) and ACCENT ® 75WG (DUPONT SOLUTIONS SAS, Puteaux, France) includes tembotrione (200 g / kg), bromoxynil octanoate (20%) and nicosulfuron (750 g / kg).
- the herbicide compositions LAUDIS ® WG, EMBLEM ® and ACCENT ® 75 WG are used at their homologation concentrations and at a concentration below their homologation concentrations as given in Table 12 below.
- compositions are the following formulated compositions:
- adjuvant O is a composition comprising;
- adjuvant P is a composition comprising;
- adjuvant Q is a composition comprising
- adjuvant S is a composition comprising;
- adjuvant V is a composition comprising;
- adjuvant X is a composition comprising
- Control An adjuvant comprising 72% water, 16% glycerol, 6% glycerol monolaurate and 6% lecithin was prepared and tested at control title free from linear carboxy ester of glycerol.
- Corn is sown in the open field.
- a weeding treatment is then carried out by application of CALIBRA herbicide at a rate of 3 L / ha so as to carry out the subsequent tests under post-emergence conditions.
- the application of the weeding compositions is carried out by means of an air sprayer when the maize plants are in the "4 developed leaves" stage.
- Each herbicide composition is applied at the rate of 150 L of composition per hectare (150 L / ha).
- Aagallis sp., Mercurialis annua, Fallopia convolvulus and Rubus sp at day of treatment (JAT 0), 9 days after treatment (JAT 9), 23 days after treatment (JAT 23) and 44 days were analyzed visually for evolution. after treatment (JAT44).
- Adjuvants P, Q and S according to the invention are equivalent to ACTIROB B to JAT 9 and JAT 23, but for a reduced adjuvant dose (0.75 L / ha) compared to ACTIROB B (1 L /Ha).
- Adjuvants V and X according to the invention are, at JAT 9, JAT 23 and JAT 44 (not shown), equivalent to ⁇ ACTIROB B but for a reduced adjuvant dose (0.75 L / ha) compared to ACTIROB B (1 L / ha).
- Adjuvant Q according to the invention is greater than ⁇ ACTIROB B to JAT 9, for a reduced adjuvant dose (0.75 L / ha) compared to ⁇ ACTIROB B (1 L / ha).
- Adjuvant O according to the invention is superior to ACTIROB B at JAT 44, for a reduced adjuvant dose (0.75 L / ha) compared to ⁇ ACTIROB B (1 L / ha).
- the adjuvant X according to the invention has an efficiency greater than ⁇ ACTIROB B for a dose of adjuvant X according to the invention reduced (0.75 L / ha) compared to ACTIROB B (1 L / ha).
- the adjuvant S according to the invention is superior to the ACTIROB B control with a reduced adjuvant dose (0.75 L / ha) compared to the ACTIROB B control (1 L / ha).
- the adjuvant Q according to the invention is greater than ⁇ ACTIROB B with a reduced adjuvant dose (0.75 L / ha) relative to at ACTIROB B (1 L / ha).
- adjuvants V and X according to the invention are superior to ACTIROB B with a reduced dose (0.75 L / ha) compared to ACTIROB B (1 L / ha).
- the adjuvant X according to the invention is equivalent to ACTIROB B, but for a reduced adjuvant dose (0.75 L / ha) compared to the ACTIROB B control (1 L / ha).
- the adjuvants O, P, Q and S according to the invention have, in particular at JAT 23, an efficacy superior to that of ACTIROB B, and with a reduced adjuvant dose (0.75 L / ha) compared to ACTIROB B control (1 L / ha).
- the adjuvants V and X according to the invention have an efficiency, at JAT 9, greater than that of ACTIROB B, with a reduced adjuvant dose (0.75 L / ha) compared to the control ACTIROB B (1 L /Ha).
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Abstract
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FR1458612A FR3025698B1 (fr) | 2014-09-12 | 2014-09-12 | Nouvelles utilisations d'esters carboniques de glycerol en agriculture |
PCT/FR2015/052400 WO2016038300A1 (fr) | 2014-09-12 | 2015-09-10 | Utilisations d'esters carboniques de glycerol en agriculture |
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IT202100005360A1 (it) * | 2021-03-08 | 2022-09-08 | Alessio Paoli | Uso di miscele di glicerolo e gliceridi di acidi organici in ambito agricolo e forestale |
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EP1961301A1 (fr) * | 2007-02-22 | 2008-08-27 | Cognis IP Management GmbH | Compositions biocides comprenant une dialkylamide d'acide hydroxycarboxilique |
US20130079228A1 (en) * | 2011-09-23 | 2013-03-28 | Brian E. Freed | Agricultural spray solution compositions and methods |
WO2013153030A1 (fr) * | 2012-04-12 | 2013-10-17 | Basf Se | Utilisation de dérivés du glycérol en tant que solvant dans des compositions agrochimiques |
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