WO2016023957A1 - Composition comprenant des oeufs d'arthropodes - Google Patents
Composition comprenant des oeufs d'arthropodes Download PDFInfo
- Publication number
- WO2016023957A1 WO2016023957A1 PCT/EP2015/068588 EP2015068588W WO2016023957A1 WO 2016023957 A1 WO2016023957 A1 WO 2016023957A1 EP 2015068588 W EP2015068588 W EP 2015068588W WO 2016023957 A1 WO2016023957 A1 WO 2016023957A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- gum
- composition according
- species
- biological control
- eggs
- Prior art date
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- 229920000615 alginic acid Polymers 0.000 description 1
- 229940087168 alpha tocopherol Drugs 0.000 description 1
- 230000003042 antagnostic effect Effects 0.000 description 1
- 235000010385 ascorbyl palmitate Nutrition 0.000 description 1
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 1
- CZBZUDVBLSSABA-UHFFFAOYSA-N butylated hydroxyanisole Chemical compound COC1=CC=C(O)C(C(C)(C)C)=C1.COC1=CC=C(O)C=C1C(C)(C)C CZBZUDVBLSSABA-UHFFFAOYSA-N 0.000 description 1
- 235000019282 butylated hydroxyanisole Nutrition 0.000 description 1
- 235000010354 butylated hydroxytoluene Nutrition 0.000 description 1
- 239000011692 calcium ascorbate Substances 0.000 description 1
- FNAQSUUGMSOBHW-UHFFFAOYSA-H calcium citrate Chemical class [Ca+2].[Ca+2].[Ca+2].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O.[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O FNAQSUUGMSOBHW-UHFFFAOYSA-H 0.000 description 1
- MKJXYGKVIBWPFZ-UHFFFAOYSA-L calcium lactate Chemical class [Ca+2].CC(O)C([O-])=O.CC(O)C([O-])=O MKJXYGKVIBWPFZ-UHFFFAOYSA-L 0.000 description 1
- 239000001527 calcium lactate Substances 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 150000001720 carbohydrates Chemical class 0.000 description 1
- 229920001525 carrageenan Polymers 0.000 description 1
- 235000010418 carrageenan Nutrition 0.000 description 1
- 210000004027 cell Anatomy 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000000555 dodecyl gallate Substances 0.000 description 1
- 230000001804 emulsifying effect Effects 0.000 description 1
- BEFDCLMNVWHSGT-UHFFFAOYSA-N ethenylcyclopentane Chemical compound C=CC1CCCC1 BEFDCLMNVWHSGT-UHFFFAOYSA-N 0.000 description 1
- 239000004403 ethyl p-hydroxybenzoate Substances 0.000 description 1
- 235000010228 ethyl p-hydroxybenzoate Nutrition 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 210000000416 exudates and transudate Anatomy 0.000 description 1
- 239000000542 fatty acid esters of ascorbic acid Substances 0.000 description 1
- YYJNOYZRYGDPNH-MFKUBSTISA-N fenpyroximate Chemical compound C=1C=C(C(=O)OC(C)(C)C)C=CC=1CO/N=C/C=1C(C)=NN(C)C=1OC1=CC=CC=C1 YYJNOYZRYGDPNH-MFKUBSTISA-N 0.000 description 1
- 230000035558 fertility Effects 0.000 description 1
- 244000037666 field crops Species 0.000 description 1
- 235000019249 food preservative Nutrition 0.000 description 1
- 239000005452 food preservative Substances 0.000 description 1
- 239000007903 gelatin capsule Substances 0.000 description 1
- 230000012447 hatching Effects 0.000 description 1
- 235000010979 hydroxypropyl methyl cellulose Nutrition 0.000 description 1
- 239000001866 hydroxypropyl methyl cellulose Substances 0.000 description 1
- 229920003088 hydroxypropyl methyl cellulose Polymers 0.000 description 1
- UFVKGYZPFZQRLF-UHFFFAOYSA-N hydroxypropyl methyl cellulose Chemical compound OC1C(O)C(OC)OC(CO)C1OC1C(O)C(O)C(OC2C(C(O)C(OC3C(C(O)C(O)C(CO)O3)O)C(CO)O2)O)C(CO)O1 UFVKGYZPFZQRLF-UHFFFAOYSA-N 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 235000019426 modified starch Nutrition 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- 150000002826 nitrites Chemical class 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 235000010387 octyl gallate Nutrition 0.000 description 1
- 238000009329 organic farming Methods 0.000 description 1
- 125000000913 palmityl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000001814 pectin Substances 0.000 description 1
- 229920001277 pectin Polymers 0.000 description 1
- 235000010987 pectin Nutrition 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- QEEAPRPFLLJWCF-UHFFFAOYSA-K potassium citrate (anhydrous) Chemical class [K+].[K+].[K+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O QEEAPRPFLLJWCF-UHFFFAOYSA-K 0.000 description 1
- 239000004293 potassium hydrogen sulphite Substances 0.000 description 1
- PHZLMBHDXVLRIX-UHFFFAOYSA-M potassium lactate Chemical class [K+].CC(O)C([O-])=O PHZLMBHDXVLRIX-UHFFFAOYSA-M 0.000 description 1
- 239000001521 potassium lactate Substances 0.000 description 1
- 239000004323 potassium nitrate Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 235000015170 shellfish Nutrition 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- PPASLZSBLFJQEF-RKJRWTFHSA-M sodium ascorbate Substances [Na+].OC[C@@H](O)[C@H]1OC(=O)C(O)=C1[O-] PPASLZSBLFJQEF-RKJRWTFHSA-M 0.000 description 1
- 235000010378 sodium ascorbate Nutrition 0.000 description 1
- NGSFWBMYFKHRBD-UHFFFAOYSA-M sodium lactate Chemical class [Na+].CC(O)C([O-])=O NGSFWBMYFKHRBD-UHFFFAOYSA-M 0.000 description 1
- 239000001540 sodium lactate Substances 0.000 description 1
- 239000004290 sodium methyl p-hydroxybenzoate Substances 0.000 description 1
- 235000010268 sodium methyl p-hydroxybenzoate Nutrition 0.000 description 1
- 239000001476 sodium potassium tartrate Substances 0.000 description 1
- HELHAJAZNSDZJO-UHFFFAOYSA-L sodium tartrate Chemical class [Na+].[Na+].[O-]C(=O)C(O)C(O)C([O-])=O HELHAJAZNSDZJO-UHFFFAOYSA-L 0.000 description 1
- 235000019187 sodium-L-ascorbate Nutrition 0.000 description 1
- RBWSWDPRDBEWCR-RKJRWTFHSA-N sodium;(2r)-2-[(2r)-3,4-dihydroxy-5-oxo-2h-furan-2-yl]-2-hydroxyethanolate Chemical compound [Na+].[O-]C[C@@H](O)[C@H]1OC(=O)C(O)=C1O RBWSWDPRDBEWCR-RKJRWTFHSA-N 0.000 description 1
- 229940075582 sorbic acid Drugs 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000004291 sulphur dioxide Substances 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
- 229960000984 tocofersolan Drugs 0.000 description 1
- 235000010384 tocopherol Nutrition 0.000 description 1
- 239000000541 tocopherol-rich extract Substances 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- HRXKRNGNAMMEHJ-UHFFFAOYSA-K trisodium citrate Chemical class [Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O HRXKRNGNAMMEHJ-UHFFFAOYSA-K 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- 239000011345 viscous material Substances 0.000 description 1
- 229930003231 vitamin Natural products 0.000 description 1
- 235000013343 vitamin Nutrition 0.000 description 1
- 239000011782 vitamin Substances 0.000 description 1
- 229940088594 vitamin Drugs 0.000 description 1
- 235000019154 vitamin C Nutrition 0.000 description 1
- 239000011718 vitamin C Substances 0.000 description 1
- 235000019165 vitamin E Nutrition 0.000 description 1
- 239000011709 vitamin E Substances 0.000 description 1
- 229940046009 vitamin E Drugs 0.000 description 1
- QUEDXNHFTDJVIY-DQCZWYHMSA-N γ-tocopherol Chemical compound OC1=C(C)C(C)=C2O[C@@](CCC[C@H](C)CCC[C@H](C)CCCC(C)C)(C)CCC2=C1 QUEDXNHFTDJVIY-DQCZWYHMSA-N 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K50/00—Feeding-stuffs specially adapted for particular animals
- A23K50/90—Feeding-stuffs specially adapted for particular animals for insects, e.g. bees or silkworms
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K67/00—Rearing or breeding animals, not otherwise provided for; New or modified breeds of animals
- A01K67/033—Rearing or breeding invertebrates; New breeds of invertebrates
-
- 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
- A01N63/00—Biocides, pest repellants or attractants, or plant growth regulators containing microorganisms, viruses, microbial fungi, animals or substances produced by, or obtained from, microorganisms, viruses, microbial fungi or animals, e.g. enzymes or fermentates
- A01N63/10—Animals; Substances produced thereby or obtained therefrom
-
- 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
- A01N63/00—Biocides, pest repellants or attractants, or plant growth regulators containing microorganisms, viruses, microbial fungi, animals or substances produced by, or obtained from, microorganisms, viruses, microbial fungi or animals, e.g. enzymes or fermentates
- A01N63/10—Animals; Substances produced thereby or obtained therefrom
- A01N63/14—Insects
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K20/00—Accessory food factors for animal feeding-stuffs
- A23K20/10—Organic substances
- A23K20/163—Sugars; Polysaccharides
Definitions
- the present invention belongs to the field of biological control, and in particular biological control products and methods using biological control agents which are arthropods.
- biological control agents is a method of controlling pests, pathogens or weeds by means of natural organisms that are antagonistic to them, such as phytophages (in the case of a weed plant ), parasitoids (in the case of arthropods %), predators (in the case of nematodes, arthropods, vertebrates, molluscs, bats %) or pathogens (in the case of viruses, bacteria, mushrooms).
- the biological control agents are introduced into the cultures to be protected in the form of compositions presented in pouches comprising predators accompanied by food allowing them to feed for a certain period of time, or in bulk, in the form of bottles which make it possible to deposit varying amounts of predators on the plants or on the ground. Predators then colonize crops, where they feed on target prey.
- WO2013 / 48251 discloses gelatin capsules comprising sugar-based compositions for feeding, for example, zoophytophagous insects.
- these capsules tend to accumulate at the foot of the cultures, and are therefore difficult to apply near the biological culture agents, which are scattered throughout the plant.
- the sugar-based compositions are foods that are not suitable for all predators commonly used in the field of organic farming.
- compositions based on arthropod eggs, in particular mites, insects, or crustaceans, and on plant gums are particularly effective in improving the lifespan of the predator populations usually used in plants. the field of biological control.
- compositions that are sufficiently fluid to be sprayed and sufficiently viscous after spraying to allow to coat the leaves and stems of the plants to be treated, while being particularly preferred predators. Indeed, the fecundity and longevity of predator populations fed with such compositions are much higher than those of untreated populations.
- composition of the invention with compounds having properties similar to vegetable gums, but not falling into this category.
- These compounds chosen from thickeners, gelling agents, stabilizers and emulsifiers, make it possible to obtain viscous compositions which are easily spread over the entire plant.
- the present invention firstly relates to a sprayable aqueous composition for feeding biological control agents, comprising eggs of at least one species of arthropods and one or more thickeners and / or gelling agents.
- the subject of the invention is a process for the preparation of a composition according to the invention.
- the third object of the invention is the use of a composition according to the invention as a nutrient source for biological control agents which are arthropods.
- Another subject of the invention is the use of a composition according to the invention for improving the efficiency of biological control methods.
- Another object of the invention is a biological control method comprising a step of applying to plants a composition according to the invention.
- FIGURE 1 Percentages of remaining viable eggs on pepper plants sprayed with Aleuroglyphus ovatus eggs mixed with either 1% by weight of acacia gum per volume of water or water.
- FIGURE 2 Comparison of the average number of A. swirskii per cucumber plant with or without A spray of eggs. ovatus mixed with 1% by weight of acacia gum per volume of water as alternative food.
- FIGURE 3 Comparison of the average number of A. swirskii per pepper plant with or without A. egg spray. ovatus mixed with 1% by weight of acacia gum by volume of water as an alternative food. Definitions:
- aqueous composition is meant a composition comprising 10 to 90%, preferably 20 to 80%, particularly preferably 30 to 70%, more preferably 60 to 70% water.
- sprayable projectable by field sprayers generally used in fields, or by manual sprayers used in gardens or specialized crops.
- the expression "egg” means eggs harvested and not yet hatched.
- eggs can be used fresh or after being processed by any method of preservation to maintain all the nutritional properties of the egg.
- the eggs are treated by any method of conservation to maintain the egg in its stage of development.
- eggs may be frozen.
- sublethal eggs can be specifically treated to induce a so-called “sublethal” state.
- “sublethal eggs” refers to eggs that can not hatch but retain a metabolic activity. A process for obtaining such sublethal eggs is described in particular in WO 201 3/190142.
- thickening and / or gelling agents any compound, preferably macromolecular, to achieve the viscosity imposed by the expected applications of the composition, or any compound having thickening and / or gelling properties. Apart from these thickening and / or gelling properties, these compounds can play various roles, especially as stabilizers, emulsifiers, water retenters, etc.
- dynamic viscosity refers to the viscosity measured by the usual tools (viscometer) at a temperature of about 20 ° C. (in particular ⁇ 1 ° C.). Such a viscosity can be measured in particular using a Brookfield type viscometer at a rotation speed of 5 rpm. detailed description
- the present invention firstly relates to a sprayable aqueous composition for feeding biological control agents, comprising eggs of at least one species of arthropods and one or more thickeners and / or gelling agents.
- the eggs may be whole, or be split. Eggs can be processed to extract specific nutrients.
- the eggs of the invention constitute literally a population of arthropods, it is also possible to define the composition of the invention as comprising:
- a population of arthropods which population consists of eggs of at least one species of arthropods
- arthropod population means any population comprising at least two individuals belonging to at least one of the arthropod species, preferably selected from insects, mites, or crustaceans.
- the arthropod population consists solely of individuals still in the egg stage.
- the arthropod population does not include arthropods at the larval stage, pupae, or adult individual.
- the composition comprises, as arthropods, only eggs, and does not include arthropods at the larval, pupa or adult stage.
- said arthropod eggs belong to one or more species of mite, or one or more insect species, or one or more species.
- (s) crustacean The invention furthermore relates to the embodiments in which said arthropod eggs belong to at least one species of mite and at least one species of insect, or at least one species of mite and at least one species of crustacean , or at least one species of insect and at least one species of crustacean.
- the invention also relates to embodiments in which the arthropod population comprises at least one species of mite, at least one species of insect, at least one species of crustacean.
- the invention is further directed to embodiments in which the arthropod population consists of eggs from the same class or sub-branch.
- the invention is directed to embodiments in which the Arthropod population consists of mite eggs, or insect eggs, or shellfish eggs.
- the invention further provides embodiments wherein the arthropod population consists of a single species of arthropods.
- the invention is directed to embodiments in which the arthropod population consists of eggs of an arthropod species selected from the list consisting of mite species, insect species, and species. crustaceans.
- the mites are chosen from the family Tetranychidae, preferably from the genus Tetranychus.
- the arthropods are chosen from astigmata, for example from the family of Pyroglyphidae, the family Acaridae, the family Carpoglyphidae, or the family Glyciphagidae.
- the astigmatas are chosen from the family of Acaridae, for example the genus Acarus, by way of illustration Acarus siro, Acarus farris, Acarus immobilis or Acarus chaetoxysilos; or according to another example at least the genus Tyrophagus, such as Tyrophagus longior, Tyrophagus similis or Tyrophagus putrescentiae; or the genus Aleuroglyphus, such as Aleuroglyphus ovatus; or the genus Lardoglyphus, such as Lardoglyphus konoi; the genus Caloglyphus, such as Caloglyphus mycophagus or Caloglyphus berlesei; the genus Suidasia, such as for example Suidasia nesbitti; the genus Thyreophagus, such as Thyreophagus entomophagus; the Carpoglyphidae family, such as the genus Tyro
- the astigmatic eggs are chosen from at least one species of the genus Aleuroglyphus.
- the eggs of astigmatism are of the species Aleuroglyphus ovatus.
- the arthropods are chosen from insects, in particular Lepidoptera and Diptera, for example the house fly (Mosca domestica) and the Tephritidae (genera Ceratitis, Dacus, Bactrocera).
- lepidopterans are chosen, for example, from the Pyralidae family, for example Ephestia kuhniella, Ephestia elutella, Ephestia cautella, Corcyra cephalonica or Plodia interpunctella, or for example from the subfamily.
- Gelechiidae for example Sitotroga cerealella.
- lepidopterans are eggs of Ephestia kuhniella.
- the arthropods are selected from the sub-branch of Crustacea, for example of the class Branchiopoda, the class Cephalocarida, the class Malacostraca, the class Maxillopoda, class Ostracoda, the class of Remipedia.
- the composition of the invention comprises one or more thickeners and / or gelling agents.
- the thickeners and gelling agents used in the composition according to the invention are present in the composition in a proportion of 0.01 to 5%, preferably of 0.05 to 4%, preferably of 0.10 to 3%, of particularly preferably from 0.2 to 0.5% by weight relative to the volume of the composition.
- composition according to the invention may comprise 0.01 to 5% w / v of gelatin, preferably from 0.02 to 3% w / v, particularly preferably from 0.04 to 2% w / v. v.
- composition according to the invention may comprise 0.01 to 5% w / v of carbomer 940, preferably 0.2 to 3% w / v, particularly preferably 0.5 to 2.5% w / v. % w / v.
- composition according to the invention may comprise 0.01 to 5% w / v of maltodextrins, preferably from 0.02 to 4% w / v, particularly preferably from 0.03 to 3.5%. w / v.
- composition according to the invention may comprise 0.01 to 5% w / v of glucomannans, preferably from 0.05 to 4% w / v, particularly preferably from 0.1 to 3% w / v. v.
- composition according to the invention may comprise 0.01 to 5% w / v of exogenous production of Sclerotium rolfsii, preferably from 0.1 to 3% w / v, particularly preferably from 0.25 to 2.50% w / v.
- composition according to the invention may comprise 0.01 to 5% w / v of acacia gum, preferably 0.02 to 4% w / v, particularly preferably 0.05 to 3% w / v. % w / v.
- the thickeners and / or gelling agents are present in the composition according to the invention in an amount giving the composition a dynamic viscosity with a zero velocity gradient of between 0.005 and 250 Pa.s, in particular between 0.01 and 100 Pa. s, in particular between 0.02 and 50 Pa.s, preferably between 0.03 and 20 Pa.s, more preferably between 0.04 and 10 Pa.s, particularly preferably between 0.05 and 5.
- the thickeners and / or gelling agents are present in the composition according to the invention in an amount giving the composition a gradient dynamic viscosity. zero velocity between 0.05 and 100 Pa.s, preferably between 0.1 and 50 Pa.s, more preferably between 0.2 and 10 Pa.s, particularly preferably between 0.5 and 1.
- a gradient dynamic viscosity zero velocity between 0.05 and 100 Pa.s, preferably between 0.1 and 50 Pa.s, more preferably between 0.2 and 10 Pa.s, particularly preferably between 0.5 and 1.
- composition according to the invention has after its preparation a viscosity adapted to its spraying and its viscosity increases after spraying to adhere to what it has been sprayed, for example to the leaves and stems of plants.
- the thickeners and gelling agents used in the composition according to the invention are preferably not thickeners and gelling agents to be used hot to avoid any risk of deterioration of the eggs contained in the composition.
- thickeners and gelling agents to be used hot is meant in the sense of the present invention, thickeners and gelling agents whose use involves a step hot, that is to say above 40 ° C , especially above 35 ° C, during the preparation of the compositions according to the invention, and in the presence of eggs of at least one species of arthropods.
- a thickener or gelling agent is in particular agar-agar.
- the thickeners and gelling agents used in the composition according to the invention are preferably not thickeners and gelling agents of the mineral type, such as a silica gel. Such thickeners and gelling agents are less advantageous because they solidify over time.
- the thickeners and gelling agents used in the composition according to the invention are preferably of a carbohydrate nature.
- the thickeners and gelling agents used in the composition according to the invention are preferably of plant origin, particularly preferably they are vegetable gums.
- “Vegetable thickeners and gelling agents” means: - exudates from plants, such as, for example, gum arabic, gum tragacanth, gum karaya,
- galactomannans from certain seeds such as guar gum, locust bean gum, tara gum, oat gum,
- glucomannans such as Konjac glucomannan
- algae extracts for example red algae such as carrageenans or brown algae such as alginates,
- cellulose derivatives for example hydroxypropylcellulose, hydroxypropylmethylcellulose, the sodium salt of carboxymethylcellulose, gels resulting from the metabolic production of plants, for example the products of the exogenous production of Sclerotium rolfsii,
- maltodextrins such as for example corn maltodextrins, tapioca maltodextrins, potato maltodextrins,
- Vegetable gum is intended to mean an adhesive carbohydrate compound produced inside the plant tissues by specialized cells. Vegetable gum is a viscous material exuded by certain plants, and therefore can easily be harvested. Vegetable gums are well known for their thickening, stabilizing, gelling, and / or emulsifying properties.
- the vegetable gums within the meaning of the invention are preferably chosen from the list consisting of acacia gum, locust bean gum, oat gum, guar gum, gum tragacanth, gum arabic, xanthan gum , karaya gum, tara gum, gellan gum, ghatti gum, konjac gum, gum breakage.
- the inventors have furthermore discovered that the compound of the invention may also be chosen from compounds which do not fall into the category of vegetable gums, but which nevertheless possess satisfactory thickening or gelling properties.
- the thickeners and gelling agents used in the composition according to the invention may also be chosen from gelatin, chitosan, carbomer 940, styrenes, polyvinylpyrrolidone, isododecane, bis-vinyl dimethicone / dimethicone copolymer, acrylate and the like.
- maltodextrins in particular corn maltodextrins, tapioca maltodextrins, potato maltodextrins, sodium salt of carboxymethyl cellulose, glucomannan, a powder psyllium seed or seed coat, products of the exogenous production of Sclerotium rolfsii, xanthan, hydroxypropylcellulose.
- the thickeners and gelling agents used in the composition according to the invention may also be chosen from the list consisting of gelatin, chitosan, carbomer 940, styrenes, polyvinylpyrrolidone, isododecane, bis-vinyl dimethicone / dimethicone copolymer, sodium acrylate, acryloyldimethyl / taurate copolymer, isohexadecane, polysorbate, powder of psyllium seeds or integuments, xanthan gum.
- the thickeners and / or gelling agents of the composition of the invention are chosen from the list consisting of gelatin, carbomer 940, maltodextrins, for example tapioca, glucomannans, for example konjac, gels derived from metabolic production of plants such as the exogenous production of Sclerotium rolfsii, vegetable gums such as acacia gum.
- composition of the invention may further comprise other compounds of interest.
- the composition of the invention may include additional sources of nutrients, in addition to arthropod eggs, such as, for example, pollen or vitamins.
- composition of the invention may also include antioxidants or preservatives.
- the antioxidants may be chosen from antioxidants used in the food industry, such as for example from the list consisting of ascorbic acid or vitamin C (E300), sodium ascorbates (E301), calcium ascorbates (E302), diacetyl 5-6-1-ascorbic acid (E303), palmityl 6-1 -ascorbic acid (E304), citric acid (E330), sodium citrates (E331), potassium citrates (E332), calcium citrates (E333), tartaric acid (E334), sodium tartrates (E335), potassium tartrates (E336) and sodium and potassium tartrates (E337), butylhydroxyanisole (E320), butylhydroxytoluol (E321), octyl gallates (E31 1), dodecyl gallates (E312), sodium lactates (E325) , potassium lactates (E326), calcium lactates (E327), levothoxyanisole (E320), butylhydroxytolu
- the preservatives can be chosen from food preservatives, in particular chosen from the list consisting of nitrates and nitrites (E249-E252), sulphites (E221-E228), sulfur dioxide (E220), hydrogen peroxide, sorbic acid (E200), benzoic acid (E210), fumaric acid (E297), sodium erythorbate (E316), parabens (E214 - E219), dimethyl dicarbonate (E242).
- food preservatives in particular chosen from the list consisting of nitrates and nitrites (E249-E252), sulphites (E221-E228), sulfur dioxide (E220), hydrogen peroxide, sorbic acid (E200), benzoic acid (E210), fumaric acid (E297), sodium erythorbate (E316), parabens (E214 - E219), dimethyl dicarbonate (E242).
- Another subject of the invention relates to a process for the preparation of a composition according to the invention.
- This process comprises the successive steps of: dissolving thickeners and / or gelling agents in an aqueous base, preferably in water,
- composition of the invention is particularly interesting for feeding the predators usually used in the field of biological control, whether in the context of the breeding of these predators, or later, in the greenhouse or in the fields, after these have been spread on the crops to be treated.
- composition of the invention as a nutrient source for biological control agents.
- composition of the invention makes it possible to increase the lifespan and the reproduction of the biological control agents, within the framework of their breeding, but also later, in a greenhouse or field, after these were spread on the crops to be treated.
- the use of the composition of the invention therefore makes it possible to reduce the frequency of application of the biological control agents, or even to limit it to a single release at the beginning of culture, and generally, to improve the effectiveness biological control methods.
- Another object of the invention is the use of the composition of the invention to improve the efficiency of biological control methods.
- composition of the invention is particularly valuable for feeding the biological control agents which are particular arthropods. Indeed, it has been observed a better growth of this type of predator, when they are fed with the composition of the invention.
- the biological control agents are chosen from the class of Arachnida, preferably from the mites (Order Acari), or from the class of insects.
- the mites may be chosen for example from the families of phytoseiids (Phytoseiidae), Macrochelidae, Laelapidae or Cheyletidae.
- the phytoseiides may be chosen from the subfamily Amblyseiinae, for example Amblyseius swirskii, Amblyseius largoensis, Amblyseius andersoni; or from the genus Neoseiulus, e.g. Neoseiulus womersleyi, Neoseiulus californicus, Neoseiulus cucumeris, Neoseiulus fallacis, Neoseiulus longispinosus; or among the genus Iphiseius, e.g.
- Iphiseius degenerate or from the genus Amblydromalus, for example Amblydromalus lailae, Amblydromalus limonicus or Amblydromalus manihoti, or from the genus Phytoseiulus, for example Phytoseiulus persimilis, Phytoseiulus macropilis or Phytoseiulus longipes; or among the subfamily Typhlodrominae, in particular the genus Typhlodromips, for example Typhlodromips montdorensis; or among the genus Euseius, for example Euseius ovalis, Euseius scutalis, Euseius finlandicus, Euseius gallicae, Euseius stipulatus, Euseius tularensis, Euseius hibisci.
- Amblydromalus for example
- mites of the Macrochelidae family may be chosen from Macrocheles, for example Macrocheles robustulus.
- mites of the Laelapidae family may be chosen from Hypoaspis, for example Gaeolaelaps aculeifer or Stratiolaelaps scimitus.
- the mites of the family Laelapidae can be chosen from Cheletus, for example Cheletus eruditus.
- the mites are selected from Amblyseius swirskii, Neoseiulus cucumeris, Amblyseius largoensis, Neoseiulus californicus, Neoseiulus fallacis, Neoseiulus longispinosus, Amblydromalus lailae, Typhlodromips montdorensis, Euseius ovalis, Euseius scutalis, Euseius hibisci.
- the mites are of the species Amblyseius swirskii.
- the invention also relates to a biological control method comprising a step of applying to plants a composition according to the invention.
- composition provides a source of nutrient to the biological control agents already present in the cultures.
- composition of the invention is applied to the plants in order to feed a biological control agent which has been previously introduced or which is concomitantly introduced.
- the biological control method of the invention comprises the successive or concomitant steps of: a) introduction of biological control agents into the culture;
- composition according to the invention is applied again, at most twice a month, preferably once a month, after its first application.
- the biological control agents introduced once at the beginning of the method according to the invention are maintained by a constant nutrient source.
- composition according to the invention can be carried out on any type of culture, in particular on greenhouse crops and on field crops. Indeed, the composition of the invention makes it possible to treat the plants whatever the culture conditions.
- the application may advantageously be carried out using a sprayer, in particular using a large-scale sprayer, or by manual sprayers used in gardens or specialized crops.
- Example 1 Astigmatic eggs mixed with a sprayable preparation are more resistant to desiccation than eggs with astigmatism mixed with water
- a solution of gum acacia in water is prepared at a rate of 1% by weight of acacia gum / volume of water.
- Mite eggs of the species Aleuroglyphus ovatus previously stored at + 3 ° C. for 6 weeks, were mixed with a preparation of 1% by weight of acacia gum per volume of water.
- the solution obtained was sprayed with a small sprayer (200 ml) on the underside of the leaves of 4 25 cm pepper plants placed in a greenhouse. At 7 and 12 days after spraying, one leaf of each plant was removed, and the number of sagging and turgid eggs was counted.
- thermohygrometer has also been placed within the device to evaluate the extreme temperatures and humidity to which the eggs will have been subjected.
- the minimum and maximum temperatures and relative humidities observed in the device over the twelve days of the experiment ranged respectively from 9 to 36 ° C, and from 13 to 93% relative humidity (RH).
- FIGURE 1 shows that eggs mixed with a sprayable preparation which becomes viscous after application are slower than eggs mixed with water, and therefore are more resistant to desiccation under conditions of temperature and humidity. very variable humidity.
- a solution of gum acacia in water is prepared at a rate of 1% by weight of acacia gum / volume of water.
- D0 one out of two breads (3 plants yes, 3 plants not) was sprayed with a solution according to Example 1 containing eggs of A. ovatus and 1% by weight of acacia gum / volume of water.
- Five females of A. swirskii were then deposited on each plant (sprayed or not). Subsequently, the previously sprayed plants were pulverized again at D + 1 and D + 30.
- a count of the number of A. swirskii per sheet was carried out twice a week, on
- FIGURE 2 and FIGURE 3 The number of A. swirskii per cucumber or pepper plant from the counts are presented in FIGURE 2 and FIGURE 3, respectively.
- A. swirskii On a pepper crop (FIGURE 3), in the absence of alternative food, A. swirskii is able to maintain itself by feeding on the pollen of the plant, up to levels of more than 60 individuals / plant. In the presence of eggs of A. ovatus mixed with the acacia gum solution, not only is this installation faster (better preventive effect), but the number of individuals per plant can rise to more than 1 30 individuals per plant, more than twice as many as without alternative food! This indicates that this treatment favors the installation of A. swirskii on this crop, and actually improves the protection of this crop against the targets of this predator.
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Animal Husbandry (AREA)
- Food Science & Technology (AREA)
- Insects & Arthropods (AREA)
- Wood Science & Technology (AREA)
- Dentistry (AREA)
- Virology (AREA)
- Plant Pathology (AREA)
- Pest Control & Pesticides (AREA)
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- Biotechnology (AREA)
- Agronomy & Crop Science (AREA)
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Abstract
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DK15750050.5T DK3179859T3 (en) | 2014-08-12 | 2015-08-12 | Composition, comprising arthropod eggs |
US15/503,160 US20170231255A1 (en) | 2014-08-12 | 2015-08-12 | Composition Comprising Arthropod Eggs |
CA2958079A CA2958079A1 (fr) | 2014-08-12 | 2015-08-12 | Composition comprenant des oeufs d'arthropodes |
MX2017001907A MX2017001907A (es) | 2014-08-12 | 2015-08-12 | Composicion que comprende huevecillos de artropodos. |
EP15750050.5A EP3179859B1 (fr) | 2014-08-12 | 2015-08-12 | Composition comprenant des oeufs d'arthropodes |
ES15750050T ES2713029T3 (es) | 2014-08-12 | 2015-08-12 | Composición que comprende huevos de artrópodos |
PL15750050T PL3179859T3 (pl) | 2014-08-12 | 2015-08-12 | Kompozycja zawierająca jaja stawonogów |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1457771 | 2014-08-12 | ||
FR1457771A FR3024820B1 (fr) | 2014-08-12 | 2014-08-12 | Composition comprenant des oeufs d'arthropodes |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2016023957A1 true WO2016023957A1 (fr) | 2016-02-18 |
Family
ID=52003966
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2015/068588 WO2016023957A1 (fr) | 2014-08-12 | 2015-08-12 | Composition comprenant des oeufs d'arthropodes |
Country Status (10)
Country | Link |
---|---|
US (1) | US20170231255A1 (fr) |
EP (1) | EP3179859B1 (fr) |
CA (1) | CA2958079A1 (fr) |
DK (1) | DK3179859T3 (fr) |
ES (1) | ES2713029T3 (fr) |
FR (1) | FR3024820B1 (fr) |
MX (1) | MX2017001907A (fr) |
PL (1) | PL3179859T3 (fr) |
TR (1) | TR201901452T4 (fr) |
WO (1) | WO2016023957A1 (fr) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019171374A1 (fr) | 2018-03-05 | 2019-09-12 | Bio-Bee Sde Eliyahu Ltd. | Nouveaux procédés d'élevage et libération régulée d'agents de lutte biologique |
WO2021152271A1 (fr) * | 2020-01-31 | 2021-08-05 | Bioline Agrosciences France | Méthode de dispersion d'acariens prédateurs vivants utilisés en lutte biologique du genre phytoseiulus |
WO2021152270A1 (fr) * | 2020-01-31 | 2021-08-05 | Bioline Agrosciences France | Méthode de dispersion d'agents de contrôle biologique vivants |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5718377A (en) * | 1995-04-18 | 1998-02-17 | The United States Of America As Represented By The Secretary Of Agriculture | Beneficial insect egg spraying device |
WO2011089105A1 (fr) * | 2010-01-22 | 2011-07-28 | Basf Se | Procédé de lutte contre les arthropodes impliquant l'application de gouttes d'un gel |
WO2013048251A1 (fr) * | 2011-09-29 | 2013-04-04 | Koppert B.V. | Procédés et usages améliorés liés à l'élevage d'un insecte zoophytophage et protection des récoltes |
WO2013190142A1 (fr) * | 2012-06-22 | 2013-12-27 | Invivo Agrosolutions | Composition comprenant des agents de lutte contre les arthropodes et des œufs de mites astigmates |
-
2014
- 2014-08-12 FR FR1457771A patent/FR3024820B1/fr active Active
-
2015
- 2015-08-12 CA CA2958079A patent/CA2958079A1/fr not_active Abandoned
- 2015-08-12 WO PCT/EP2015/068588 patent/WO2016023957A1/fr active Application Filing
- 2015-08-12 US US15/503,160 patent/US20170231255A1/en not_active Abandoned
- 2015-08-12 DK DK15750050.5T patent/DK3179859T3/en active
- 2015-08-12 PL PL15750050T patent/PL3179859T3/pl unknown
- 2015-08-12 MX MX2017001907A patent/MX2017001907A/es unknown
- 2015-08-12 EP EP15750050.5A patent/EP3179859B1/fr active Active
- 2015-08-12 TR TR2019/01452T patent/TR201901452T4/tr unknown
- 2015-08-12 ES ES15750050T patent/ES2713029T3/es active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5718377A (en) * | 1995-04-18 | 1998-02-17 | The United States Of America As Represented By The Secretary Of Agriculture | Beneficial insect egg spraying device |
WO2011089105A1 (fr) * | 2010-01-22 | 2011-07-28 | Basf Se | Procédé de lutte contre les arthropodes impliquant l'application de gouttes d'un gel |
WO2013048251A1 (fr) * | 2011-09-29 | 2013-04-04 | Koppert B.V. | Procédés et usages améliorés liés à l'élevage d'un insecte zoophytophage et protection des récoltes |
WO2013190142A1 (fr) * | 2012-06-22 | 2013-12-27 | Invivo Agrosolutions | Composition comprenant des agents de lutte contre les arthropodes et des œufs de mites astigmates |
Non-Patent Citations (1)
Title |
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MICHAEL P SEAGRAVES ET AL: "Sugar feeding by coccinellids under field conditions: the effects of sugar sprays in soybean", BIOCONTROL, KLUWER ACADEMIC PUBLISHERS, DO, vol. 56, no. 3, 5 December 2010 (2010-12-05), pages 305 - 314, XP019907639, ISSN: 1573-8248, DOI: 10.1007/S10526-010-9337-3 * |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019171374A1 (fr) | 2018-03-05 | 2019-09-12 | Bio-Bee Sde Eliyahu Ltd. | Nouveaux procédés d'élevage et libération régulée d'agents de lutte biologique |
WO2021152271A1 (fr) * | 2020-01-31 | 2021-08-05 | Bioline Agrosciences France | Méthode de dispersion d'acariens prédateurs vivants utilisés en lutte biologique du genre phytoseiulus |
WO2021152270A1 (fr) * | 2020-01-31 | 2021-08-05 | Bioline Agrosciences France | Méthode de dispersion d'agents de contrôle biologique vivants |
FR3106720A1 (fr) * | 2020-01-31 | 2021-08-06 | Bioline France | Méthode de dispersion d’agents de contrôle biologique vivants |
FR3106721A1 (fr) * | 2020-01-31 | 2021-08-06 | Bioline France | Méthode de dispersion d’acariens prédateurs vivants utilisés en lutte biologique du genrePhytoseiulus |
Also Published As
Publication number | Publication date |
---|---|
PL3179859T3 (pl) | 2019-06-28 |
ES2713029T3 (es) | 2019-05-17 |
TR201901452T4 (tr) | 2019-06-21 |
EP3179859A1 (fr) | 2017-06-21 |
EP3179859B1 (fr) | 2018-10-31 |
FR3024820B1 (fr) | 2016-09-02 |
DK3179859T3 (en) | 2019-02-25 |
US20170231255A1 (en) | 2017-08-17 |
MX2017001907A (es) | 2017-08-08 |
CA2958079A1 (fr) | 2016-02-18 |
FR3024820A1 (fr) | 2016-02-19 |
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