WO2006021323A1 - Formulations agrochimiques destinees a la protection de semences - Google Patents

Formulations agrochimiques destinees a la protection de semences Download PDF

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Publication number
WO2006021323A1
WO2006021323A1 PCT/EP2005/008682 EP2005008682W WO2006021323A1 WO 2006021323 A1 WO2006021323 A1 WO 2006021323A1 EP 2005008682 W EP2005008682 W EP 2005008682W WO 2006021323 A1 WO2006021323 A1 WO 2006021323A1
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WO
WIPO (PCT)
Prior art keywords
seed
spp
polyvinyl acetate
weight
seeds
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Application number
PCT/EP2005/008682
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German (de)
English (en)
Inventor
Ulrich Schwiedop
Wolfram Andersch
Original Assignee
Bayer Cropscience Ag
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Filing date
Publication date
Application filed by Bayer Cropscience Ag filed Critical Bayer Cropscience Ag
Publication of WO2006021323A1 publication Critical patent/WO2006021323A1/fr

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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
    • A01N53/00—Biocides, pest repellants or attractants, or plant growth regulators containing cyclopropane carboxylic acids or derivatives thereof

Definitions

  • the present invention relates to novel agrochemical formulations for seed treatment, to a process for preparing these formulations and to their use for treating seed, in particular for treating the seed of sugar beet.
  • Formulations of insecticidal active ingredients have also been described which may contain, among other additives, vinyl acetate polymers or copolymers with vinyl acetate (US Pat. No. 5,849,320 A, US Pat. No. 2002/0177526 A1, US Pat. No. 5,876,739 A, WO 2002/080675 A1, WO 2000 / 035277 Al).
  • Tefluthrin and polyvinyl acetate and optionally other additives As a mordant in the present context means to be used for the treatment of seed.
  • the concentration of the individual components can be varied within a substantial range in the seed dressing formulations according to the invention.
  • the content of Imidachloprid between 0.1 and 90 wt .-%, preferably between 0.1 and 40 wt .-%, more preferably be ⁇ between 0.5 and 40 wt .-%
  • the content of tefluthrin between 0.1 and 75 wt .-%, preferably between 0.5 and 15 wt .-%, particularly preferably between 0.5 and 10 wt .-%
  • the content of polyvinyl acetate generally between 0.1 and 70 wt .-%, preferably between 0.1 and 40% by weight, more preferably between 0.5 and 10% by weight
  • the content of additives in general between 1 and 60% by weight, preferably between 5 and 40% by weight
  • the amounts of the individual components of the formulation according to the invention add up to 100%.
  • the individual components are known to the person skilled in the art and are commercially available.
  • Various embodiments of the individual constituents of the formulation according to the invention can be used.
  • various formulations of the active ingredients imidacloid and tefluthrin can be used.
  • Polyvinyl acetate is also commercially available in various forms or from various sources and can be used for the formulation according to the invention.
  • the skilled worker is also different common silicone defoamers, biocides and thickeners commonly used in formulations and can also be used in the present case.
  • imidacloprid is employed in its formulation as "Gaucho 600 FS colorless ®” (Bayer CropScience). Tefluthrin is preferably used in its formulation as "Force 20 CS ®” (Syngenta).
  • polyvinyl acetate is preferably Mowilith
  • insebsondere Mowilith DC is 02/1 ® (Clariant) was used.
  • a preferred silicone defoamer is silicone-antifoam emulsion SRE ® (Wacker Chemie).
  • Preventol D2 ® (LanXess) with 0.01-0.3 wt .-%
  • Preventol D7 ® (LanXess) with 0.001-0.2 wt .-% are.
  • thickener is preferably finally Kelzan ® S (Kelco) was used.
  • the indicated materials are preferably used in the quantities (% by weight) indicated above under a) to f).
  • Imidacloprid (CAS RN 138261-41-3) is known from EP A1 0 192 060. Imidacloprid is present in a concentration of 600 g per liter in the formulation "Gau ⁇ cho 600 FS.” In addition to the active ingredient, the formulation also contains glycerol and other additives such as stabilizers.
  • Tefluthrin (CAS RN 79538-32-2) is e.g. known from US 4,405,640. In the formulation "Force 20 CS" Tefluthrin is present in a concentration of 200 g per liter.
  • Polyvinyl acetate is a plastic from the group of plastomers (thermoplastics), often abbreviated to "PVAC”, which is manufactured and to be obtained in different forms
  • Mowilith DC 02/1 is eg a 60% polyvinyl acetate dispersion with a cellulose protective colloid and is particularly suitable for the preparation of the formulation according to the invention.
  • the silicone antifoam emulsion SRE is a polydimethylsiloxane filled with an emulsion in water. It contains about 1% ammonium lauryl sulfate, ⁇ 5% alpha octadecyl omega hydroxy polyglycol ether and ⁇ 5% alpha iso tridecyl omega hydroxy polyglycol ether.
  • Preventol D2 is the biocide benzylhemiformal
  • Preventol D7 is a formaldehyde-free, aqueous solution of various isothiazolinones.
  • Kelzans are Xanthans. These water-soluble biopolymers of the so-called Kelzan series are used in a large number of industrial applications for controlling the flow properties and for stabilizing suspensions.
  • xanthans or Kelzanen particularly suitable is the so-called Kelzan S ®. , ,
  • the liquid components of the formulation are mixed together in any order with stirring at room temperature. Solid components can be dissolved in the resulting mixture.
  • the agrochemical formulations according to the invention are prepared by
  • the formulations according to the invention are distinguished in particular by the fact that the delay of the casserole of seed, in particular of pilled beet seed, which can be observed in the known formulations, can be reduced by the use of polyvinyl acetate in the formulation.
  • the treatment or coating or coating of seed with such formulations basically results in an improvement of the soaking behavior which contains a polyvinyl acetate.
  • the treatment of the seed with polyvinyl acetate alone, or with a polyvinyl acetate-containing formulation leads to a significant improvement in the casserole of the thus treated seed.
  • formulations containing polyvinyl acetate can improve the emergence of seed.
  • the subject matter of the present invention is therefore also a process for improving the storage of seeds by treating the seed with polyvinyl acetate or a polyvinyl acetate-containing formulation.
  • the present invention furthermore relates to the use of polyvinyl acetate for the treatment of seeds in order to improve the emergence of the seed.
  • the polyvinyl acetate Mowilith is used.
  • the formulations based on polyvinyl acetate may be admixed with various crop protection agents, e.g. Insecticides as in the present example, or also fungicides or other active ingredients.
  • crop protection agents e.g. Insecticides as in the present example, or also fungicides or other active ingredients.
  • the described, the casserole-promoting effect thereby preserves th or optionally, as in the present example (see Example 3) even stronger.
  • the present invention also relates to formulations of crop protection active ingredients for improving the emergence of the seeds, which contain as active ingredient in addition to the usual ingredients of a crop protection formulation at least one polyvinyl acetate, preferably Mowilith.
  • formulations according to the invention relating to the combination of the active ingredients imidacloprid and tefluthrin contain as basic constituents imidacloprid and tefluthrin as agrochemical active substances and also polyvinyl acetate and the abovementioned additives.
  • compositions according to the invention are all customary formulation auxiliaries, such as e.g. organic solvents, emulsifiers, dispersants, preservatives, dyes, fillers and water.
  • formulation auxiliaries such as e.g. organic solvents, emulsifiers, dispersants, preservatives, dyes, fillers and water.
  • the formulations according to the invention may also contain other agrochemical active substances, such as e.g. contain further insecticides, fungicides or biocides ent.
  • Other agrochemical agents may be e.g. also be safeners or growth regulators.
  • Suitable organic solvents are all customary organic solvents which readily dissolve the agrochemical active ingredients used.
  • vesso® mineral oils such as white spirit, petroleum, alkylbenzenes and spindle oil, furthermore tetrachloromethane, chloroform, methylene chloride and dichloromethane, furthermore esters, such as ethyl acetate, furthermore lactones, such as butyrolactone, also lactams, such as N-methylpyrrolidone, N-octylpyrrolidone and N Methylcaprolactam, and also alkanecarboxamides, such as decanecarboxylic acid dimethylamide and octanecarboxylic acid dimethylamide, and dimethylformamide.
  • mineral oils such as white spirit, petroleum, alkylbenzenes and spindle oil
  • esters such as ethyl acetate
  • lactones such as butyrolactone
  • lactams such as N-methylpyrrolidone, N-octylpyrrolidone and N Methy
  • Suitable emulsifiers are customary surface-active substances present in formulations of agrochemical active compounds. Examples which may be mentioned are ethoxylated nonylphenols, polyethylene glycol ethers of linear alcohols, reaction products of alkylphenols with ethylene oxide and / or propylene oxide, furthermore fatty acid esters, alkylsulfonates, alkylsulfates, arylsulfates, ethoxylated arylalkylphenols, such as, for example, tristyrylphenol ethoxylate with an average of 16 Ethylene oxide units per molecule, further ethoxylated and propoxylated arylalkyl phenols and sulfated or phosphated arylalkylphenol ethoxylates or ethoxy and -prop oxylate.
  • Suitable dispersants are all substances customarily used in crop protection agents for this purpose.
  • natural and synthetic, water-soluble polymers such as gelatin, starch and cellulose derivatives, in particular cellulose esters and cellulose ethers, furthermore polyvinyl alcohol, polyvinylpyrrolidone, polyacrylic acid, polymethacrylic acid and co-polymers of (meth) acrylic acid and (meth) acrylic acid esters, and also neutralized with alkali metal hydroxide co-polymers of methacrylic acid and methacrylic acid ester.
  • Suitable preservatives are all substances usually present in plant treatment compositions for this purpose. Examples include Preventol® and Proxel®.
  • Suitable dyes are all customary for the production of pesticides inorganic or organic dyes. Examples include titanium dioxide, carbon black, zinc oxide and blue pigments.
  • Suitable fillers are all substances normally used for this purpose in crop protection agents. Preference is given to inorganic particles, such as carbonates, Silika ⁇ te and oxides having an average particle size of 0.005 to 5 microns, more preferably from 0.02 to 2 microns. Examples include silicon dioxide, so-called highly disperse silica, Kie ⁇ selgele, and natural and synthetic silicates and aluminosilicates. , _
  • the preparation of the agrochemical formulations according to the invention is carried out by mixing the components together in the ratios desired in each case (see also Example 1).
  • the formulations according to the invention can be used particularly advantageously as a mordant for the treatment of seed of various kinds.
  • mordants are suitable for dressing the seeds of cereals, such as wheat, barley, rye, oats and triticale, and seeds of rice, corn, oilseed rape, peas, field beans, cotton, sunflowers and beets or vegetable seed of various nature.
  • the mordant formulations may also be used to pickle seeds of transgenic plants. Synergistic effects may also occur in interaction with the substances formed by expression.
  • transgenic seed with an agent according to the invention is of particular importance.
  • the heterologous genes in transge ⁇ nem seeds can come from microorganisms such as Bacillus, Rhizobium, Pseudomonas, Serratia, Trichoderma, Clavibacter, Glomus or Gliocladium.
  • the present invention is particularly useful for the treatment of transgenic seed containing at least one heterologous gene derived from Bacillus sp. and whose gene product shows activity against corn borer and / or corn rootworm. Most preferably, this is a heterologous gene derived from Bacillus thuringiensis.
  • formulations are suitable for the treatment of the seed of sugar beets.
  • the present invention therefore also relates to seed, in particular seed of sugar beets, which has been pickled with a formulation according to the invention.
  • the procedure for pickling is that of placing the seed in a mixer which adds the desired amount of seed dressing formulations, either as such or after prior dilution with water, and - o -
  • formulations according to the invention and the formulations which can be prepared therefrom by further mixing with formulation auxiliaries and / or plant treatment agents are outstandingly suitable for the application of agrochemical active compounds to plants and / or their habitat. They ensure the release of the active components in the desired quantity over a longer period of time.
  • the present invention therefore also provides methods for pickling seeds, in particular seeds of sugar beets, by treating the seeds with the formulation according to the invention.
  • the invention also relates to the use of the formulation according to the invention for the treatment of seed for protecting the seed and the germinating plant from pests, in particular from insects, arachnids and nematodes.
  • the above mentioned pests include:
  • Isopoda for example, Oniscus asellus, Armadillidium vulgare, Porcellio scaber.
  • Diplopoda eg Blaniulus guttulatus.
  • Chilopoda for example, Geophelus carpophagus
  • Scutigera spp From the order of the Symphyla, for example Scutigerella immaculata.
  • Thysanura eg Lepisma saccharina.
  • Collembola eg Onychiurus armatus.
  • Phthiraptera for example, Pediculus humanus corporis, Haematopinus spp., Linognathus spp., Trichodectes spp., Damalinia spp.
  • Thysanoptera for example, Hercinothrips femoralis, Thrips tabaci, Thrips palmi, Frankliniella occidentalis.
  • Heteroptera eg Eurygaster spp., Dysdercus intermedius, Piesma quadrata, Ciprollectularus, Rhodnius prolixus, Triatoma spp.
  • From the order of the Homoptera for example, Aleurodes brassicae, Bemisia tabaci, Trialeurodes vaporariorum, Aphis gossypii, Brevicoryne brassicae, Cryptomyzus ribis, Aphis fabae, Aphis pomi, Eriosoma lanigerum, Hyalopterus arundinis, Phylloera vastatrix, Pemphigus spp., Macrosiphum avenae, Myzus spp ., Phorodon humuli, Rhapa- losiphum padi, Empoasca spp., Euscelis bilobatus, Nephotettix cincticeps, Lecanium corni, Saste- tia oleae, Laodelphax striatellus, Nilaparvata lugens, Aonidiella aurantii, Aspidiotus hederae, P
  • Otiorrhynchus sulcatus Otiorrhynchus sulcatus, Cosmopolites sordidus, Ceuthorrhynchus assimilis, Hypera postica, Dermestes spp., Trodigerma spp., Anthrenus spp., Attagenus spp., Lyctus spp., Meligethes aeneus, Ptinus spp., Niptus hololeucus, Gibbium psylloides, Tribolium spp , Tenebrio molitor, Agriotes spp., Conoderus spp., Melolontha melolontha, Amphimallon solstitialis, Costelytra zealandica, Lissorhoptrus oryzophilus.
  • Hymenoptera e.g. Diprion spp., Hoplocampa spp., Lasius spp., Monorium pharaonis, Vespa spp.
  • Diptera e.g. Aedes spp., Anopheles spp., Cullex spp., Drosophila melanogaster, Musca spp., Fannia spp., Calliphora erythrocephala, Lucilia spp., Chrysomyia spp., Cuterebra spp., Gastrophilus spp., Hyppobosca spp., Stomoxys spp , Oestrus spp., Hypoderma spp., Tabanus spp., Tannia spp., Bibio hortulanus, Oscinella firit, Phorbia spp., Pegomyia hyoscyami, Ceratitis capitata
  • arachnids e.g. Scorpio maurus, Latrodectus mactans, Acarus siro, Argas spp., Oraithodoros spp., Dermanyssus gallinae, Eriophyes ribis, Phyllocoptruta oleivora, Boophilus spp., Rhipicephalus spp., Amblyomma spp., Hyalomma spp., Ixodes spp., Psoroptes spp.
  • Choriopsis spp. Sarcoptes spp., Tarsonemus spp., Bryobia praetiosa, Panonychus spp., Tetranychus spp., Hemitarsonemus spp., Brevipalpus spp.
  • the plant parasitic nematodes include e.g. Pratylenchus spp., Radopholus similis, Ditylenus dipsaci, Tylenchulus semipenetrans, Heterodera spp., Globodera spp., Meloidogyne spp., Aphelenchoides spp., Lorigidorus spp., Xiphinema spp., Trichodorus spp., Bursaphelenchus spp.
  • the formulation according to the invention is applied to the seed.
  • the seed is treated in a state where it is so stable that no damage occurs during the treatment.
  • the treatment of the seed can take place at any time between harvesting and sowing.
  • seed becomes which was separated from the plant and freed from flasks, shells, stems, husk, wool or pulp.
  • the application rate of the formulations according to the invention and of the preparations which can be prepared therefrom by further mixing with formulation auxiliaries can be varied within a relatively large range.
  • Favorable application rates in the treatment of seeds are generally between 0.1 and 1000 g, preferably between 1 and 800 g, and more preferably between 10 and 500 g of the active ingredients used per 100 kg of the seed to be treated.
  • Baking rate after the treatment of seeds with a formulation according to the invention (Beta vulgaris, sugar beet)
  • the untreated sugar beet pills were pickled with the respective mordants (formulations according to Example 2, each with and without Mowilith).
  • the run rate in percent is determined from the repetitions. 100% means that all sown pills have accumulated.

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  • Life Sciences & Earth Sciences (AREA)
  • Agronomy & Crop Science (AREA)
  • Pest Control & Pesticides (AREA)
  • Plant Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Pretreatment Of Seeds And Plants (AREA)

Abstract

La présente invention concerne de nouvelles formulations agrochimiques contenant au moins les agents actifs imidaclopride et téfluthrine ainsi que du polyvinylacétate, destinées au traitement de semences. L'invention concerne également l'utilisation desdites formulations pour le traitement de semences, notamment de semences de betteraves, un procédé de protection de semences contre les phytoparasites, et des semences traitées au moyen des formulations agrochimiques selon l'invention.
PCT/EP2005/008682 2004-08-23 2005-08-10 Formulations agrochimiques destinees a la protection de semences WO2006021323A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004040719.3 2004-08-23
DE200410040719 DE102004040719A1 (de) 2004-08-23 2004-08-23 Agrochemische Formulierungen zum Schutz von Saatgut

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1938691A2 (fr) * 2004-12-17 2008-07-02 Devgen NV Compositions nematicides
WO2010029067A2 (fr) * 2008-09-11 2010-03-18 Basf Se Procédé permettant d'augmenter le nombre de semis par rapport au nombre de graines semées
WO2012124796A1 (fr) * 2011-03-17 2012-09-20 Sumitomo Chemical Company, Limited Composition de lutte contre les insectes nuisibles et procédé de lutte contre les insectes nuisibles
CN101755817B (zh) * 2009-10-29 2013-04-17 深圳诺普信农化股份有限公司 一种用于地下害虫防治的杀虫组合物

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1967057A1 (fr) * 2007-03-06 2008-09-10 Bayer CropScience AG Sauvegarde de la sûreté des graines de graines traitées
AR097518A1 (es) * 2013-09-02 2016-03-23 Cheminova As Combinación de (z)-(1r)-cis-3-(2-cloro-3,3,3-trifluoro-1-propenil)-2,2-dimetilciclopropanocarboxilato de 2,3,5,6-tetrafluoro-4-metilbencilo con al menos un insecticida, acaricida, nematicida y/o fungicida

Citations (3)

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WO2000035277A1 (fr) * 1998-12-14 2000-06-22 Syngenta Participations Ag Enrobage insecticide pour graines
WO2002028186A2 (fr) * 2000-10-06 2002-04-11 Monsanto Technology, Llc Traitement de semences avec des melanges d'insecticides
US20020177526A1 (en) * 1996-06-13 2002-11-28 Yuguang Chen Insecticidal seed coating

Patent Citations (3)

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Publication number Priority date Publication date Assignee Title
US20020177526A1 (en) * 1996-06-13 2002-11-28 Yuguang Chen Insecticidal seed coating
WO2000035277A1 (fr) * 1998-12-14 2000-06-22 Syngenta Participations Ag Enrobage insecticide pour graines
WO2002028186A2 (fr) * 2000-10-06 2002-04-11 Monsanto Technology, Llc Traitement de semences avec des melanges d'insecticides

Non-Patent Citations (2)

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Title
BCPC CONFERENCE--PESTS & DISEASES , (VOL. 3), 907-912 CODEN: BCDCAE, 2000 *
DATABASE CA [online] CHEMICAL ABSTRACTS SERVICE, COLUMBUS, OHIO, US; DEWAR, A. M. ET AL: "Novel seed treatments to control soil pests of sugar beet", XP002363400, retrieved from STN Database accession no. 2001:1390 *

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1938691A2 (fr) * 2004-12-17 2008-07-02 Devgen NV Compositions nematicides
EP1938691A3 (fr) * 2004-12-17 2009-07-22 Devgen NV Compositions nematicides
WO2010029067A2 (fr) * 2008-09-11 2010-03-18 Basf Se Procédé permettant d'augmenter le nombre de semis par rapport au nombre de graines semées
WO2010029067A3 (fr) * 2008-09-11 2011-01-20 Basf Se Procédé permettant d'augmenter le nombre de semis par rapport au nombre de graines semées
EP2183969A3 (fr) * 2008-10-29 2011-01-05 Basf Se Procédé d'augmentation du nombre de semis par nombre de grains semés
CN101755817B (zh) * 2009-10-29 2013-04-17 深圳诺普信农化股份有限公司 一种用于地下害虫防治的杀虫组合物
WO2012124796A1 (fr) * 2011-03-17 2012-09-20 Sumitomo Chemical Company, Limited Composition de lutte contre les insectes nuisibles et procédé de lutte contre les insectes nuisibles
JP2012207011A (ja) * 2011-03-17 2012-10-25 Sumitomo Chemical Co Ltd 有害生物防除組成物及び有害生物の防除方法
CN103442573A (zh) * 2011-03-17 2013-12-11 住友化学株式会社 害虫防治组合物和害虫防治方法
CN103442573B (zh) * 2011-03-17 2016-04-06 住友化学株式会社 害虫防治组合物和害虫防治方法

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