WO2023148033A1 - Procédés et compositions pour lutter contre des nuisibles dans le colza - Google Patents

Procédés et compositions pour lutter contre des nuisibles dans le colza Download PDF

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WO2023148033A1
WO2023148033A1 PCT/EP2023/051478 EP2023051478W WO2023148033A1 WO 2023148033 A1 WO2023148033 A1 WO 2023148033A1 EP 2023051478 W EP2023051478 W EP 2023051478W WO 2023148033 A1 WO2023148033 A1 WO 2023148033A1
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spp
pelargonic acid
methods
ceutorhynchus
oilseed rape
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PCT/EP2023/051478
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English (en)
Inventor
Liesbeth ZWARTS
Francis CLAES
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Globachem Nv
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Publication of WO2023148033A1 publication Critical patent/WO2023148033A1/fr

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    • 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
    • A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
    • A01N37/02—Saturated carboxylic acids or thio analogues thereof; Derivatives thereof
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01P—BIOCIDAL, PEST REPELLANT, PEST ATTRACTANT OR PLANT GROWTH REGULATORY ACTIVITY OF CHEMICAL COMPOUNDS OR PREPARATIONS
    • A01P7/00—Arthropodicides
    • A01P7/02—Acaricides
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01P—BIOCIDAL, PEST REPELLANT, PEST ATTRACTANT OR PLANT GROWTH REGULATORY ACTIVITY OF CHEMICAL COMPOUNDS OR PREPARATIONS
    • A01P7/00—Arthropodicides
    • A01P7/04—Insecticides

Definitions

  • the invention relates to pelargonic acid, in particular pelargonic acid compositions having arthropodicidal, particularly insecticidal and/or acaricidal, activity, and to methods of controlling arthropod pests on oilseed rape with pelargonic acid which demonstrate highly effective arthropodicidal activity combined with low phytotoxicity.
  • Arthropod pests cause significant economic damage in the field of agriculture.
  • solutions have been developed to deter or eradicate arthropods including pesticides, plants expressing resistant traits, and the use of natural predators.
  • Pelargonic acid has long been known as a non-selective, contact herbicide. It has now been surprisingly found that pelargonic acid used at selected rates is highly effective at controlling pests in oilseed rape. Due to the favorable environmental profile of pelargonic acid and the fact that it provides an alternative mode of action compared to many insecticides and acaricides currently widely used on oilseed rape, the present invention represents an important new solution for farmers to control or prevent damage of oilseed rape plants caused by insect and acari pests.
  • WO2017042554 relates to an insecticide or acaricide composition which demonstrates low phytotoxicity even at relatively high concentrations combined with highly effective insecticidal and acaricidal activity.
  • the composition comprises: a fatty acid/amino acid salt, the fatty acid component comprising one or more unsaturated fatty acids having from 14 to 22 carbon atoms; and one or more saturated fatty acids having from 8 to 18 carbon atoms.
  • EP0617888 describes pesticidal compositions including a mixture of a fatty acid salt and an adjuvant to increase spreadability of the fatty acid salt, the adjuvant being either a fatty alcohol of 4-18 carbon atoms, or a fatty acid methyl- or ethyl-ester of 4-18 carbon atoms.
  • U.S. Pat. No. 5,030,658 describes arthropodicidal compositions which include a mono alpha carboxylic acid with 8-20 carbon atoms or a metal salt thereof, with a metal ion sequestering agent, chelating agent, or surfactant.
  • a metal ion sequestering agent e.g., EDTA
  • chelating agent e.g., EDTA
  • surfactant e.g., fatty acids having a carbon chain length below about 12 are known to display phytotoxic properties.
  • a pesticide composition in particular an insecticide and/or acaricide, which maintains effectiveness against pests but demonstrates low phytotoxicity, such as leaf scorching, would be beneficial.
  • pelargonic acid compositions of the present invention are well tolerated by plants at the concentrations required for controlling plant pests allows the treatment of above-ground parts of plants, of propagation stock and the locus of the plants, e.g., of the soil.
  • plants and plant parts can be treated.
  • plants is meant all plants and plant populations such as desirable and undesirable wild plants, cultivars and plant varieties.
  • plant parts are meant all above ground and below ground parts and organs of plants such as shoot, leaf, blossom and root, whereby for example leaves, needles, stems, branches, blossoms, fruiting bodies, fruits and seed as well as roots, corms and rhizomes are listed.
  • Crops and vegetative and generative propagating material for example cuttings, corms, rhizomes, runners and seeds also belong to plant parts.
  • Pelargonic acid when used according to the present invention, is well tolerated by the environment and when well tolerated by the plants is suitable for protecting plants and plant organs, for enhancing harvest yields and for improving the quality of the harvested material.
  • the pelargonic acid compositions are active against normally sensitive and resistant pest species and against all or some stages of development.
  • arthropod is suited to descriptions of the present invention which relates to not only insects but also other organisms falling within the phylum Arthropoda which are relevant in agriculture, such as acari particularly phytopathogenic mites.
  • insect and in particular “insecticide” are commonly used terms in the field of agriculture hence there may be occurrences where the terms are used interchangeably. It is nonetheless intended that the scope of the invention is understood to encompass agriculturally-relevant arthropods generally.
  • compositions according to the invention are valuable active ingredients in the field of pest control, even at low rates of application, which have a very favorable pest control spectrum.
  • the compositions according to the invention act against all or individual developmental stages of normally sensitive, but also resistant, animal pests, such as arthropods, particularly insects or representatives of the order Acarina.
  • the arthropodicidal activity of the compositions according to the invention can manifest itself directly, i.e., in destruction of the pests, which takes place either immediately or only after some time has elapsed, for example during ecdysis, or indirectly, for example in a reduced oviposition and/or hatching rate, a good activity corresponding to a destruction rate (mortality) of at least 40% and higher.
  • Low Phytotoxicity of pelargonic acid means that the toxic effect on plants is absent or at such a level so as not to adversely impact the growth and/or yield of the plant under a given set of test conditions, e.g., at a given concentration of pelargonic acid.
  • Phytotoxic effects may be measured in a number of different ways, for example, according to the principals set out in OEPP/EPPO Bulletin (2014) 44(3), 265-273 “PP 1/135 (4) Phytotoxicity assessment”. The phytotoxic effect on plants may be assessed visually as a function of the percentage of discoloration to the leaves and/or the appearance of necrosis.
  • Pelargonic acid can be used for controlling, i.e., containing or destroying, insect and/or acari pests which occur, in particular, on oilseed rape plants.
  • oilseed rape includes Brassica napus subsp napus, also referred to as Argentine canola, rapeseed or rape and the specific group of cultivars, canola; Brassica rapa, also known as Polish Canola and Brassica juncea, also known as quality canola brown mustard.
  • Plants and plant cultivars which are preferably treated according to the invention include those that are resistant against herbicides or one or more biotic stresses, i.e., said plants show a better defense against animal and microbial pests, such as against nematodes, insects, acari, phytopathogenic fungi, bacteria, viruses and/or viroids.
  • compositions according to the invention can advantageously be used to treat transgenic plants, plant cultivars or plant parts that received genetic material which imparts advantageous and/or useful properties (traits) to these plants, plant cultivars or plant parts.
  • a transgenic event is created by the insertion of a specific recombinant DNA molecule into a specific position (locus) within the chromosome of the plant genome.
  • the insertion creates a novel DNA sequence referred to as an "event" and is characterized by the inserted recombinant DNA molecule and some amount of genomic DNA immediately adjacent to/flanking both ends of the inserted DNA.
  • Such trait(s) or transgenic event(s) include, but are not limited to, pest resistance, water use efficiency, yield performance, drought tolerance, seed quality, improved nutritional quality, hybrid seed production, and herbicide tolerance, in which the trait is measured with respect to a plant lacking such trait or transgenic event.
  • Such advantageous and/or useful properties are better plant growth, vigor, stress tolerance, standability, lodging resistance, nutrient uptake, plant nutrition, and/or yield, in particular improved growth, increased tolerance to high or low temperatures, increased tolerance to drought or to levels of water or soil salinity, enhanced flowering performance, easier harvesting, accelerated ripening, higher yields, higher quality and/or a higher nutritional value of the harvested products, better storage life and/or processability of the harvested products, and increased resistance against animal and microbial pests, such as against insects, arachnids, nematodes, mites, slugs and snails.
  • a particularly emphasized example of such properties is conferred tolerance to one or more herbicides, for example imidazolinones, sulphonylureas, glyphosate or phosphinothricin by either mutagenesis, for example, ClearfieldTM imidazolinone tolerant varieties, or transgenic techniques.
  • herbicides for example imidazolinones, sulphonylureas, glyphosate or phosphinothricin by either mutagenesis, for example, ClearfieldTM imidazolinone tolerant varieties, or transgenic techniques.
  • DNA sequences encoding proteins which confer properties of tolerance to certain herbicides on the transformed plant cells and plants mention will be particularly be made to the bar or PAT gene or the Streptomyces coelicolor gene described in WO2009/152359 which confers tolerance to glufosinate herbicides, a gene encoding a suitable EPSPS (5-Enolpyruvylshikimat-3-phosphat-synthase) which confers tolerance to herbicides having EPSPS as a target, especially herbicides such as glyphosate and its salts, a gene encoding glyphosate-n-acetyltransferase, or a gene encoding glyphosate oxidoreductase.
  • EPSPS 5-Enolpyruvylshikimat-3-phosphat-synthase
  • herbicide tolerance traits include at least one ALS (acetolactate synthase) inhibitor (e.g., W02007/024782), a mutated Arabidopsis ALS/AHAS gene (e.g., U.S. Patent 6,855,533), genes encoding 2,4-D-monooxygenases conferring tolerance to 2,4-D (2,4-dichlorophenoxyacetic acid) and genes encoding Dicamba monooxygenases conferring tolerance to dicamba (3,6-dichloro-2-methoxybenzoic acid).
  • ALS acetolactate synthase
  • W02007/024782 e.g., W02007/024782
  • a mutated Arabidopsis ALS/AHAS gene e.g., U.S. Patent 6,855,533
  • genes encoding 2,4-D-monooxygenases conferring tolerance to 2,4-D (2,4-dichlorophenoxyacetic acid)
  • Crops may also be modified for enhanced resistance to fungal (for example Fusarium, Anthracnose, or Phytophthora), bacterial (for example Pseudomonas) or viral (for example potato leafroll virus, tomato spotted wilt virus, cucumber mosaic virus) pathogens.
  • fungal for example Fusarium, Anthracnose, or Phytophthora
  • bacterial for example Pseudomonas
  • viral for example potato leafroll virus, tomato spotted wilt virus, cucumber mosaic virus
  • Event BLR1 (oilseed rape, restoration of male sterility, deposited as NCIMB 41193, described in W02005/074671);
  • Event MON88302 (oilseed rape, herbicide tolerance, deposited as PTA-10955, described in WO2011/153186;Event MSI 1 (oilseed rape, pollination control - herbicide tolerance, deposited as ATCC PTA-850 or PTA-2485, described in W02001/031042);
  • Event MS8 (oilseed rape, pollination control - herbicide tolerance, deposited as ATCC PTA-730, described in W02001/041558 or US-A 2003-188347);
  • Event RF3 (oilseed rape, pollination control - herbicide tolerance, deposited as ATCC PTA-730, described in W02001/041558 or US-A 2003- 188347);
  • Event RT73 (oilseed rape, pollination control - herbicide tolerance, deposited as AT
  • transgenic plants which may be treated according to the invention are plants containing transformation events, or combination of transformation events, that are listed for example in the databases from various national or regional regulatory agencies.
  • Plants and plant cultivars which may also be treated according to the invention are those plants which are resistant to one or more abiotic stresses, i.e., that already exhibit an increased plant health with respect to stress tolerance.
  • Abiotic stress conditions may include, for example, drought, cold temperature exposure, heat exposure, osmotic stress, flooding, increased soil salinity, increased mineral exposure, ozone exposure, high light exposure, limited availability of nitrogen nutrients, limited availability of phosphorus nutrients, shade avoidance.
  • the treatment of these plants and cultivars with the composition of the present invention additionally increases the overall plant health.
  • Plants and plant cultivars which may also be treated according to the invention are those plants characterized by enhanced yield characteristics i.e., that already exhibit an increased plant health with respect to this feature. Increased yield in said plants can be the result of, for example, improved plant physiology, growth and development, such as water use efficiency, water retention efficiency, improved nitrogen use, enhanced carbon assimilation, improved photosynthesis, increased germination efficiency and accelerated maturation.
  • Yield can furthermore be affected by improved plant architecture (under stress and non-stress conditions), including but not limited to, early flowering, flowering control for hybrid seed production, seedling vigor, plant size, internode number and distance, root growth, seed size, fruit size, pod size, pod or ear number, seed number per pod or ear, seed mass, enhanced seed filling, reduced seed dispersal, reduced pod dehiscence and lodging resistance.
  • Further yield traits include seed composition, such as carbohydrate content, protein content, oil content and composition, nutritional value, reduction in anti-nutritional compounds, improved processability and better storage stability.
  • the treatment of these plants and cultivars with the composition of the present invention additionally increases the overall plant health.
  • Examples of the above-mentioned insect and acari pests include: pests from the phylum of the Arthropoda, in particular from the class of the Arachnida, for example Acarus spp., for example Acarus siro, Aceria kuko, Aceria sheldoni, Aculops spp., Aculus spp., for example Aculusfockeui, Aculus Mattendali, Amblyomma spp., Amphitetranychus viennensis, Argas spp., Boophilus spp., Brevipalpus spp., for example Brevipalpus phoenicis, Bryobia graminum, Bryobia praetiosa, Centruroides spp., Chorioptes spp., Dermanyssus gallinae, Dermatophagoides pteronyssinus, Dermatophagoides farinae, Dermacentor s
  • Acizia spp. for example Acizzia acaciaebaileyanae, Acizzia dodonaeae, Acizzia uncatoides, Acrida turrita, Acyrthosipon spp., for example Acyrthosiphon pisum, Acrogonia spp., Aeneolamia spp., Agonoscena spp., Aleurocanthus spp., Aleyrodes proletella, Aleurolobus barodensis, Aleurothrixus floccosus, Allocaridara malayensis, Amrasca spp., for example Amrasca bigutulla, Amrasca devastans, Anuraphis cardui, Aonidiella spp., for example Aonidiella aurantii, Aonidiella citrina, Aonidiella inomata,
  • compositions of the present invention are effective against at least one member selected from the group consisting of Ceutorhynchus spp., preferably Ceutorhynchus assimilis, Ceutorhynchus napi Gyll., Ceutorhynchus obstrictus, Ceutorhynchus pallidactylus, Ceutorhynchus picitarsis, Ceutorhynchus guadridens or Ceutorhynchus rapae; Diabrotica speciosa; Meligethes aeneus; Phyllotreta spp.; Psylliodes spp., preferably Psylliodes chrysocephala; Erthesina fullo and Myzus persicae.
  • Ceutorhynchus spp. preferably Ceutorhynchus assimilis, Ceutorhynchus napi Gyll., Ceu
  • compositions of the present invention comprise pelargonic acid, a liquid or solid carrier and, optionally, one or more customary formulation auxiliaries, which may be liquid or solid, for example surfactants, antifoams, for example silicone oil, preservatives, clays, inorganic compounds, viscosity regulators, binders and/or tackifiers.
  • the composition may also further comprise a fertilizer, a micronutrient donor or other preparations which influence the growth of plants.
  • the pelargonic acid compositions are foliarly applied to the oilseed rape plants.
  • foliar formulation types for pre-mix compositions are GR: Granules; WP: wettable powders; WG: water dispersable granules (powders); SG: water soluble granules; SL: soluble concentrates; EC: emulsifiable concentrate; EW: emulsions, oil in water; ME: micro-emulsion; SC: aqueous suspension concentrate; CS: aqueous capsule suspension; OD: oil-based suspension concentrate, and SE: aqueous suspo-emulsion.
  • the type of pelargonic acid composition is to be selected to suit the intended aims and the prevailing circumstances.
  • liquid carriers there may be used: water, toluene, xylene, petroleum ether, vegetable oils, acetone, methyl ethyl ketone, cyclohexanone, acid anhydrides, acetonitrile, acetophenone, amyl acetate, 2- butanone, butylene carbonate, chlorobenzene, cyclohexane, cyclohexanol, alkyl esters of acetic acid, diacetone alcohol, 1,2-dichloropropane, diethanolamine, p-diethylbenzene, diethylene glycol, diethylene glycol abietate, diethylene glycol butyl ether, diethylene glycol ethyl ether, diethylene glycol methyl ether, a,a-dimethylformamide, dimethyl sulfoxide, 1,4-dioxane, dipropylene glycol, di
  • Suitable solid carriers are, for example, talc, titanium dioxide, pyrophyllite clay, silica, attapulgite clay, kieselguhr, limestone, calcium carbonate, bentonite, calcium montmorillonite, cottonseed husks, wheat flour, soybean flour, pumice, wood flour, ground walnut shells, lignin and similar substances.
  • surfactants can advantageously be used in both liquid and solid formulations, especially in those formulations which can be diluted with a carrier prior to use.
  • Surfactants may be anionic, cationic, non-ionic or polymeric and they can be used as emulsifiers, wetting agents or suspending agents or for other purposes.
  • Typical surfactants include, for example, salts of alkyl sulfates, such as diethanolammonium lauryl sulfate; salts of alkylarylsulfonates, such as calcium dodecylbenzenesulfonate; alkylphenol/alkylene oxide addition products, such as nonylphenol ethoxylate; alcohol/alkylene oxide addition products, such as tridecylalcohol ethoxylate; siloxanes, silicones, silanes, silicates and siliconates; soaps, such as sodium stearate; salts of alkylnaphthalenesulfonates, such as sodium dibutylnaphthalenesulfonate; dialkyl esters of sulfosuccinate salts, such as sodium di(2-ethylhexyl)sulfosuccinate; sorbitol esters, such as sorbitol oleate; quaternary amines, such as lau
  • compositions according to the invention can include an additive comprising an oil of vegetable or animal origin, a mineral oil, alkyl esters of such oils or mixtures of such oils and oil derivatives.
  • the amount of oil additive, when present, in the composition according to the invention is generally from 0.01 to 10 %, based on the mixture to be applied.
  • the oil additive can be added to a spray tank in the desired concentration after a spray mixture has been prepared.
  • Preferred oil additives comprise mineral oils or an oil of vegetable origin, for example rapeseed oil, olive oil or sunflower oil, emulsified vegetable oil, alkyl esters of oils of vegetable origin, for example the methyl derivatives, or an oil of animal origin, such as fish oil or beef tallow.
  • Preferred oil additives comprise alkyl esters of Cg-Cjj fatty acids, especially the methyl derivatives of C12-C18 fatty acids, for example the methyl esters of lauric acid, palmitic acid and oleic acid (methyl laurate, methyl palmitate and methyl oleate, respectively).
  • Many oil derivatives are known from the Compendium of Herbicide Adjuvants, 10th Edition, Southern Illinois University, 2010.
  • the methods of application such as foliar, drench, spraying, atomizing, dusting, scattering, coating or pouring, are chosen in accordance with the intended objectives and the prevailing circumstances.
  • the pre-mix compositions comprise 0.1 to 99%, especially 15 to 90%, of pelargonic acid and 0 to 99.9% of at least one liquid or solid carrier, and 0 to 35%, especially 0.1 to 20%, of the composition to be formulation auxiliaries., e.g., surfactants (% in each case meaning percent by weight in the pre-mix composition).
  • a spray mix or spray tank formulation for foliar or soil application comprises 0.05 to 20%, especially 0.1 to 15 %, of pelargonic acid, and 99.95 to 80 %, especially 99.9 to 85 %, of a liquid carrier, and 0 to 20 %, especially 0.1 to 15 %, of formulation auxiliaries, e.g., surfactants (% in each case meaning percent by weight in the tank-mix composition).
  • formulation auxiliaries e.g., surfactants (% in each case meaning percent by weight in the tank-mix composition).
  • the rates of application vary and depend on the method of application, the crop plant, the pest to be controlled, the prevailing climatic conditions, and other factors governed by the method of application, the time of application and the target crop.
  • sprayable mixtures of the pelargonic acid compositions are prepared at a concentration that, when applied at a given spray rate, delivers pelargonic acid to the plants in an amount of from 300 to 6,500 g/ha, preferably 450 to 4,500 g/ha.
  • the pelargonic acid composition is applied at a dilution containing pelargonic acid at less than about 6,500 g/ha, preferably less than about 4,500 g/ha, most preferably about 1,300 g/ha.
  • the compositions of the present proposals are provided at a dilution containing the pelargonic acid at between about 300 and about 6,500 g/ha, preferably between about 400 and about 4,500 g/ha, most preferably between about 500 and about 1,300 g/ha.
  • phytotoxicity e.g., leaf scorching
  • becomes more prevalent e.g., above about 10,000 g/ha of pelargonic acid.
  • the arthropodicidal e.g., insecticidal and acaricidal
  • effectiveness decreases when used alone.
  • compositions have been demonstrated to have low phytotoxicity, e.g., exhibiting zero or acceptable leaf scorching, at rates of e.g., 1,300 g/ha or even up to 4,500 g/ha of pelargonic acid depending on the crop and its growth stage.
  • compositions for controlling arthropod, preferably insect and/or acari, pests on oilseed rape are also part of the present invention.
  • the compositions are preferably used at a dilution, e.g., those dilutions preferred above, to provide effective insecticidal/acaricidal properties coupled with low phytotoxicity.
  • these methods relate to the killing of specific pests such as insects and acari comprising at least one member selected from the group consisting of Ceutorhynchus spp., preferably Ceutorhynchus assimilis, Ceutorhynchus napi Gyll., Ceutorhynchus obstrictus, Ceutorhynchus pallidactylus, Ceutorhynchus picitarsis, Ceutorhynchus quadridens or Ceutorhynchus rapae; Diabrotica speciosa; Meligethes aeneus; Phyllotreta spp.; Psylliodes spp., preferably Psylliodes chrysocephala; Erthesina fullo and Myzus persicae.
  • Ceutorhynchus spp. preferably Ceutorhynchus assimilis, Ceutorhynchus
  • Embodiment A relates to a method of controlling arthropod pests, preferably insect and/or acari pests, on oilseed rape plants, which comprises applying a pesticidally effective amount of pelargonic acid to a pest, to a locus of a pest, or to a plant susceptible to attack by a pest.
  • Embodiment B relates to a method for controlling and/or preventing damage by infestation of arthropod pests, preferably insect and/or acari pests, on oilseed rape plants, which comprises applying a pesticidally effective amount of pelargonic acid to a plant.
  • arthropod pests preferably insect and/or acari pests
  • on oilseed rape plants which comprises applying a pesticidally effective amount of pelargonic acid to a plant.
  • Embodiment C relates to the use of pelargonic acid on oilseed rape plants for controlling and/or or preventing damage by infestation of arthropod pests, preferably insect and/or acari pests.
  • Embodiment D relates to the use of pelargonic acid in the manufacture of an arthropodicide for controlling and/or or preventing damage to oilseed rape plants by infestation of arthropod pests, preferably insect and/or acari pests.
  • Embodiment E relates to an arthropodicidal composition for the control of arthropod pests on oilseed rape plants, comprising pelargonic acid.
  • the arthropod pest comprises at least one member selected from the group consisting of Ceutorhynchus spp., preferably Ceutorhynchus assimilis, Ceutorhynchus napi Gyll., Ceutorhynchus obstrictus, Ceutorhynchus pallidactylus, Ceutorhynchus picitarsis, Ceutorhynchus quadridens or Ceutorhynchus rapae; Diabrotica speciosa; Meligethes aeneus; Phyllotreta spp.; Psylliodes spp., preferably Psylliodes chrysocephala; Erthesina fullo and Myzus persicae.
  • Ceutorhynchus spp. preferably Ceutorhynchus assimilis, Ceutorhynchus napi Gyll., Ceutorhynchus
  • One embodiment of the present invention relates to a method for growing oilseed rape plants comprising applying or treating the oilseed rape plants thereof with a pelargonic acid composition.
  • compositions according to the invention can be broadened considerably, and adapted to prevailing circumstances, by adding additional pesticidally active agents to the pelargonic acid compositions.
  • Compositions comprising combinations of (A) pelargonic acid and (B) at least one additional pesticidally active agent (i.e., other than pelargonic acid) may also have further surprising advantages which can also be described, in a wider sense, as super-additive (“synergistic”) effects.
  • compositions comprising (A) pelargonic acid and (B) at least on additional pesticidal ly active agent, as well as the use of the compositions of (A) and (B) in the methods and uses as set forth herein.
  • One embodiment relates to combinations comprising (A) pelargonic acid and (B) at least on additional pesticidal ly active agent, as well as the use of the combinations of (A) and (B) in the methods and uses as set forth herein.
  • One embodiment relates to a method for reducing overall damage of oilseed rape plants and plant parts caused by arthropod pests, preferably insect and/or acari pests, comprising the step of applying (A) pelargonic acid alone or in combination with (B) at least one additional pesticidally active agent, as defined herein, to a plant.
  • arthropod pests preferably insect and/or acari pests
  • One embodiment relates to a method for increasing crop yield and/or the quality of food commodities from oilseed rape comprising the step of applying (A) pelargonic acid alone or in combination with (B) at least one additional pesticidally active agent, as defined herein to a plant.
  • the expression “combination” stands for the various combinations of (A) pelargonic acid and (B) the at least one pesticidally active agent, for example in a single “ready-mix” or “pre-mix” form, in a combined spray mixture composed from separate formulations of the single active compounds, such as a "tank-mix", and in a combined use of the single active ingredients when applied in a sequential manner, i.e., one after the other within a reasonably short period, such as a few hours or days, e.g.; 2 hours to 7 days.
  • the order of applying the pelargonic acid and the at least one pesticidally active agent is not essential for working the present invention. Accordingly, the term “combination” also encompasses the presence of pelargonic acid composition and the at least one pesticidally active agent on a plant that has been treated.
  • the ratio of (A) pelargonic acid and (B) any additional pesticidally active agents is selected such that, when applied to the oilseed rape plants, the pelargonic acid and the pesticidally active agents are delivered at their respective desired rates, e.g., as taught on a product label or as can be determined by one experienced in the field, required for pest control. Because the application rates for the additional pesticidally active agents can vary greatly from one another, the general ratios of pelargonic acid to the additional active agent also can vary greatly.
  • compositions comprising mixtures of pelargonic acid with additional pesticidally active agents described above comprise pelargonic acid and an active agent as described above preferably in a mixing ratio of from 1000:1 to 1:1, preferably in a weight ratio of 700:1 to 10:1, more preferably in a weight ratio of 500:1 to 30:1, and most preferably in a weight ratio of 100:1 to 1:100.
  • Suitable additional pesticidally active agents are, for example, representatives of the following classes of active ingredients:
  • Acetylcholinesterase (AChE) inhibitors AChE inhibitors
  • Nicotinic acetylcholine receptor (nAChR) competitive modulators (4) Nicotinic acetylcholine receptor (nAChR) competitive modulators, (5) Nicotinic acetylcholine receptor (nAChR) allosteric modulators,
  • said pesticidally active agent is selected from the group consisting of
  • Acetylcholinesterase (AChE) inhibitors which are carbamates and preferably selected from alanycarb, aldicarb, bendiocarb, benfuracarb, butocarboxim, butoxycarboxim, carbaryl, carbofuran, carbosulfan, ethiofencarb, fenobucarb, formetanate, furathiocarb, isoprocarb, methiocarb, methomyl, metolcarb, oxamyl, pirimicarb, propoxur, thiodicarb, thiofanox, triazamate, trimethacarb, XMC and xylylcarb, or organophosphates, preferably selected from acephate, azamethiphos, azinphos-ethyl, azinphos-methyl, cadusafos, chlorethoxyfos, chlorfenvinphos, chlormephos, chlorpyrifos
  • GABA-gated chloride channel blockers which are cyclodiene-organochlorines and preferably selected from chlordane and endosulfan, or phenylpyrazoles (fiproles) and preferably selected from ethiprole and fipronil;
  • Sodium channel modulators which are pyrethroids and preferably selected from acrinathrin, allethrin, d-cis-trans allethrin, d-trans allethrin, bifenthrin, bioallethrin, bioallethrin s-cyclopentenyl isomer, bioresmethrin, cycloprothrin, cyfluthrin, beta-cyfluthrin, cyhalothrin, lambda-cyhalothrin, gamma-cyhalothrin, cypermethrin, alpha-cypermethrin, beta-cypermethrin, theta-
  • Nicotinic acetylcholine receptor (nAChR) competitive modulators which are neonicotinoids and preferably selected from acetamiprid, clothianidin, dinotefuran, imidacloprid, nitenpyram, thiacloprid and thiamethoxam, or nicotine, or sulfoximines and preferably selected from sulfoxaflor, or butenolids and preferably selected from flupyradifurone, or mesoionics and preferably selected from triflumezopyrim;
  • Nicotinic acetylcholine receptor (nAChR) allosteric modulators which are spinosyns and preferably selected from spinetoram and spinosad;
  • Glutamate-gated chloride channel (GluCI) allosteric modulators which are avermectins/milbemycins and preferably selected from abamectin, emamectin benzoate, lepimectin and milbemectin;
  • Juvenile hormone mimics which are juvenile hormone analogues and preferably selected from hydroprene, kinoprene, methoprene, fenoxycarb and pyriproxyfen;
  • Miscellaneous non-specific (multi-site) inhibitors which are alkyl halides and preferably selected from methyl bromide and other alkyl halides, or chloropicrine or sulphuryl fluoride or borax or tartar emetic or methyl isocyanate generators selected from diazomet and metam;
  • Mite growth inhibitors selected from clofentezine, hexythiazox, diflovidazin and etoxazole;
  • Microbial disruptors of the insect gut membrane selected from Bacillus thuringiensis subspecies israelensis, Bacillus sphaericus, Bacillus thuringiensis subspecies aizawai, Bacillus thuringiensis subspecies kurstaki, Bacillus thuringiensis subspecies tenebrionis, and pesticidally active proteins, e.g., originating from Bacillus thuringiensis;
  • Inhibitors of mitochondrial ATP synthase which are ATP disruptors, preferably selected from diafenthiuron, or organotin compounds selected from azocyclotin, cyhexatin and fenbutatin oxide, or propargite or tetradifon;
  • Nicotinic acetylcholine receptor channel blockers selected from bensultap, cartap hydrochloride, thiocylam and thiosultap-sodium;
  • Inhibitors of chitin biosynthesis type 0 selected from bistrifluron, chlorfluazuron, diflubenzuron, flucycloxuron, flufenoxuron, hexaflumuron, lufenuron, novaluron, noviflumuron, teflubenzuron and triflumuron;
  • Inhibitors of chitin biosynthesis type 1 selected from buprofezin;
  • Moulting disrupter in particular for Diptera, i.e., dipterans selected from cyromazine
  • Ecdysone receptor agonists selected from chromafenozide, halofenozide, methoxyfenozide and tebufenozide;
  • Octopamine receptor agonists selected from amitraz
  • Mitochondrial complex III electron transport inhibitors selected from hydramethylnone, acequinocyl and fluacrypyrim;
  • Mitochondrial complex I electron transport inhibitors which are METI acaricides, preferably selected from fenazaquin, fenpyroximate, pyrimidifen, pyridaben, tebufenpyrad and tolfenpyrad, or rotenone (Derris);
  • Inhibitors of acetyl CoA carboxylase which are tetronic and tetramic acid derivatives, preferably selected from spirodiclofen, spiromesifen and spirotetramat;
  • Mitochondrial complex IV electron transport inhibitors which are phosphines, preferably selected from aluminium phosphide, calcium phosphide, phosphine and zinc phosphide, or cyanides selected from calcium cyanide, potassium cyanide and sodium cyanide;
  • Mitochondrial complex II electron transport inhibitors which are beta-ketonitrile derivatives, preferably selected from cyenopyrafen and cyflumetofen, and carboxanilides selected from pyflubumide;
  • (28) further active compounds selected from acynonapyr, afidopyropen, afoxolaner, azadirachtin, benclothiaz, benzoximate, benzpyrimoxan, bifenazate, broflanilide, bromopropylate, chinomethionat, chloroprallethrin, cryolite, cyclanil iprole, cyclobutrifluram, cycloxaprid, cyhalodiamide, cyproflanilide, dicloromezotiaz, dicofol, dimpropyridaz, epsilon-metofluthrin, epsilon-momfluthrin, flometoquin, fluazaindolizine, fluensulfone, flufenerim, flufenoxystrobin, flufiprole, fluhexafon, flupentiofenox, fluopyram, flupyri
  • compositions comprise (A) pelargonic acid and (B) one or more of the following pesticidally active agents: acephate, acetamiprid, bifenthrin, chlorantraniliprolle, chlorfenapyr, chlorpyrifos, chlorpyrifos-methyl, clothianidin, cyantraniliprole, cyfluthrin, beta-cyfluthrin, gamma- cyhalothrin, lambda-cyhalothrin, cypermethrin, alpha-cypermethrin, zeta-cypermethrin, deltamethrin, dimethoate, ethiprole, etofenprox, fenitrothion, fenpropatrin, fipronil, flonicamid, flupyradifurone, tau- fluvalinate, fluxametamide, imidacloprid, indoxacarb, malathion
  • the pesticidally active agent (B) is a biological control agent.
  • biological control is defined as control of an insect and/or an acarid and/or a nematode by the use of an organism such as a microorganism or metabolite produced by such microorganism. In some cases, biological control is also achieved by the use of naturally occurring compounds or compounds derived from such naturally occurring compounds.
  • the biological control agent comprises not only the isolated, pure cultures of the respective fungus or bacterium, in particular the pesticidally active fungus or bacterium but also suspensions in a whole broth culture or a metabolite-containing supernatant or a purified metabolite obtained from whole broth culture of the fungal or bacterial strain.
  • Whole broth culture refers to a liquid culture containing both cells and media.
  • Supernatant refers to the liquid broth remaining when cells grown in broth are removed by centrifugation, filtration, sedimentation, or other means well known in the art.
  • the biological control agent comprises the isolated, pure cultures of the respective fungus or bacterium formulated in a suitable formulation apart from its fermentation broth, as described further below.
  • Said biological control agent may be an insecticidally active biological control agent selected from the group consisting of:
  • bacteria selected from the group consisting of Bacillus thuringiensis subsp. aizawai, in particular strain ABTS-1857 (SD-1372; e.g. XENTARI® from Valent BioSciences); Bacillus mycoides, isolate J. (e.g. BmJ from Certis USA LLC, a subsidiary of Mitsui & Co.); Bacillus sphaericus, in particular Serotype H5a5b strain 2362 (strain ABTS-1743) (e.g. VECTOLEX® from Valent BioSciences, US); Bacillus thuringiensis subsp. kurstaki strain BMP 123 from Becker Microbial Products, IL; Bacillus thuringiensis subsp.
  • Bacillus thuringiensis subsp. aizawai in particular strain ABTS-1857 (SD-1372; e.g. XENTARI® from Valent BioSciences); Bacillus mycoides, isolate J. (e.g
  • aizawai in particular serotype H-7 (e.g. FLORBAC® WG from Valent BioSciences, US); Bacillus thuringiensis subsp. kurstaki strain HD-1 (e.g. DIPEL® ES from Valent BioSciences, US); Bacillus thuringiensis subsp. kurstaki strain BMP 123 by Becker Microbial Products, IL; Bacillus thuringiensis israelensis strain BMP 144 (e.g.
  • Burkholderia spp. in particular Burkholderia rinojensis strain A396 (also known as Burkholderia rinojensis strain MBI 305) (Accession No. NRRL B-50319; WO 2011/106491 and WO 2013/032693; e.g. MBI-206 TGAI and ZELTO® from Marrone Bio Innovations); Chromobacterium subtsugae, in particular strain PRAA4-1T (MBI-203; e.g. GRANDEVO® from Marrone Bio Innovations); Paenibacillus popilliae (formerly Bacillus popilliae; e g.
  • MILKY SPORE POWDERTM and MILKY SPORE GRANULARTM from St. Gabriel Laboratories Bacillus thuringiensis subsp. israelensis (serotype El-14) strain AM65-52 (Accession No. ATCC 1276) (e.g. VECTOBAC® by Valent BioSciences, US); Bacillus thuringiensis var. kurstaki strain EVB-113-19 (e.g., BIOPROTEC® from AEF Global); Bacillus thuringiensis subsp. tenebrionis strain NB 176 (SD-5428; e.g. NOVODOR® FC from BioFa DE); Bacillus thuringiensis var.
  • Muscodor albus in particular strain QST 20799 (Accession No. NRRL 30547); Muscodor roseus in particular strain A3-5 (Accession No. NRRL 30548); Beauveria bassiana, in particular strain ATCC 74040 (e.g. Naturalis® from Intrachem Bio Italia); strain GHA (Accession No. ATCC74250; e.g. BotaniGuard Es and Mycotrol-0 from Laverlam International Corporation); strain ATP02 (Accession No. DSM 24665); strain PPRI 5339 (e.g. BroadBandTM from BASF); strain PPRI 7315, strain R444 (e.g.
  • strains IL197, 1 L12, IL236, I L10, IL 131, IL116 all referenced in laronski, 2007. Use of Entomopathogenic Fungi in Biological Pest Management, 2007: ISBN: 978-81-308-0192-6), strain Bv025 (see e.g., Garcia et al. 2006. Manejo Integrado de Plagas y Agroecologia (Costa Jamaica) No. 77); strain BaGPK; strain ICPE 279, strain CG 716 (e.g. BoveMax® from Novozymes); Hirsutella citriformis, Hirsutella thompsonii (e.g.
  • ARSEF324 from GreenGuard by Becker Underwood, US or isolate IMI 330189 (ARSEF7486; e.g. Green Muscle by Biological Control Products); Metarhizium brunneum, e.g. strain Cb 15 (e.g. ATTRACAP® from BIOCARE); Metarhizium anisopliae, e.g. strain ESALQ 1037 (e.g. from Metarril® SP Organic), strain E-9 (e.g.
  • strain M206077 from Metarril® SP Organic
  • strain C4-B NRRL 30905
  • strain ESC1 strain 15013-1 (NRRL 67073)
  • strain 3213-1 NRRL 67074
  • strain C20091, strain C20092, strain F52 DSM3884/ ATCC 90448; e.g. BIO 1020 by Bayer CropScience and also e.g.
  • AdhoNPV Adoxophyes honmai nucleopolyhedrovirus
  • AdhoNPV Agrotis ipsilon multiple nucleopolyhedrovirus
  • AgipNPV Agrotis ipsilon multiple nucleopolyhedrovirus
  • AgipNPV Agrotis
  • isolate 2D Autographa califomica (Alfalfa Looper) multiple nucleopolyhedrovirus (AcMNPV) (e.g. product VPN-ULTRA from Agricola El Sol, Loopex from Andermatt Biocontrol, Lepigen from AgBiTech), e.g. isolate C6; Galleria mellonella multiple nucleopolyhedrovirus (GmMNPV); Plutella xylostella multiple nucleopolyhedrovirus, e.g.
  • CfDefNPV Choristoneura fumiferana DEF multiple nucleopolyhedrovirus
  • CfMNPV Choristoneura fumiferana multiple nucleopolyhedrovirus
  • ChroNPV Choristoneura rosaceana nucleopolyhedrovirus
  • EcobNPV Ecotropis obliqua nucleopolyhedrovirus
  • Hear-NPV Heliocoverpa armigera (cotton bollworm) nucleopolyhedrovirus
  • Vivus® MAX and Armigen from AgBiTech, Helicovex from Andermatt Biocontrol, Keyun HaNPV such as isolate Cl (HearNPV-CI), isolate NNG1 (HearNPV- NNG1), isolate G4 (HearNPV-G4; Helicoverpa zea single nucleopolyhedrovirus (HzSNPV) (e.g. Gemstar from Certis USA, Diplomata from Koppert); Lymantria dispar (gypsy moth) multiple nucleopolyhedrovirus (LdMNPV) (e.g.
  • MbMNPV multiple nucleopolyhedrovirus
  • MacoNPV-A Mamestra configurata nucleopolyhedrovirus A
  • MacoNPV-B Mamestra configurata nucleopolyhedrovirus B
  • MacoNPV-B Mamestra configurata nucleopolyhedrovirus B
  • OpMNPV Orgyia pseudotsugata (Douglas-fir tussock moth) multiple nucleopolyhedrovirus (OpMNPV) (e.g. Virtuss); Spodoptera exigua (beet armyworm) multiple nucleopolyhedrovirus (SeMNPV) (e.g. Spexit from Andermatt Biocontrol, Spod-X LC from Certis USA, Keyun SeNPV), e.g.
  • SfMNPV multiple nucleopolyhedrovirus
  • SfMNPV multiple nucleopolyhedrovirus
  • SfMNPV multiple nucleopolyhedrovirus
  • SfMNPV multiple nucleopolyhedrovirus
  • Spodoptera littoralis African cotton leafworm
  • SpliNPV Spodoptera littoralis
  • SpliNPV e.g. Littovir from Andermatt Biocontrol
  • SpItNPV e.g. Keyun SpItNPV
  • Thysanoplusia orichalcea nucleopolyhedrovirus Thysanoplusia orichalcea nucleopolyhedrovirus (ThorNPV), e.g. isolate A28; Trichoplusia ni single nucleopolyhedrovirus (TnSNPV); (C3.30) Wiseana signata nucleopolyhedrovirus (WisiNPV); Adoxophyes orana (summer fruit tortrix) granulovirus (AdorGV) (e.g.
  • AgseNPV Agrotis segetum nucleopolyhedrovirus A
  • Anagrapha falcifera multiple nucleopolyhedrovirus Antheraea pemyi nucleopolyhedrovirus
  • AnpeNPV Antheraea pemyi nucleopolyhedrovirus
  • Chrysodeixis chalcites nucleopolyhedrovirus ChchNPV
  • Clanis bilineata nucleopolyhedrovirus ClbiNPV
  • Euproctis pseudoconspersa nucleopolyhedrovirus EupsNPV
  • Hyphantria cunea nucleopolyhedrovirus HycuNPV
  • Leucania separata nucleopolyhedrovirus LeseNPV
  • Maruca vitrata nucleopolyhedrovirus MaviNPV
  • Orgyia leucostigma nucleopolyhedrovirus Or
  • CrleGV Cryptophlebia leucotreta (false codling moth) granulovirus
  • CrleGV granulovirus
  • CpGV Cydia pomonella (codling moth) granulovirus
  • HabrGV Harrisina brillians granulovirus
  • Lacanobia oleracea granulovirus e.g. isolate SI
  • Phthorimaea operculella tobacco leaf miner
  • Plodia interpunctella granulovirus e.g. isolate B3
  • Plutella xylostella granulovirus PIxyGV
  • Plutellavex® from Keyun
  • isolate KI Pseudalatia unipuncta granulovirus (PsunGV), e.g. Hawaiian isolate; Trichoplusia ni granulovirus (TnGV), e.g. isolate M10-5: Xestia c-nigrum granulovirus (XecnGV), e.g. isolate alpha4; Agrotis segetum granulovirus (AgseGV), e.g. isolate Xinjiang; Choristoneura occidentalis granulovirus (ChocGV); Spodoptera litura (oriental leafworm moth) granulovirus (SpliGV), e.g. isolate KI; Neodiprion lecontei (red-headed pinesawfly) nucleopolyhedrovirus (NeleNPV) (e.g. Lecontvirus from SYLVAR);
  • Pseudalatia unipuncta granulovirus Pseudalatia unipun
  • Neodiprion sertifer Pine sawfly
  • Neocheck-S developed by the US Forestry Service
  • Gilpinia hercyniae nucleopolyhedrovirus GiheNPV
  • Neodiprion abietis balsam-fir sawfly
  • NeabNPV Culex nigripalpus nucleopolyhedrovirus
  • Aedes dendrolimus punctatus (Masson pine moth) CPV; Leucoma salicis (satin moth) NPV; Spodoptera frugiperda granulovirus (SfGV), e.g.
  • ARG African Greenhouse virus
  • Spodoptera sunia nulear polyhedrosisvirus e.g. VPN 82 from Agricola El Sol
  • Pieris rapae small white
  • GV Pieris rapae
  • Spodoptera exigua beet armyworm
  • SeNPV Spodoptera exigua nucleopolyhedrovirus
  • Zucchini yellow mosaic virus e.g. Keyun SeNPV
  • Said biological control agent may be a nematicidally active biological control agent selected from the group consisting of
  • bacteria for example Bacillus subtilis, in particular strain QST713/AQ713 (having NRRL Accession No. B-21661; available as SERENADE® OPTI or SERENADE® ASO from Bayer CropScience LP, US); Bacillus pumilus, in particular strain QST2808 (having Accession No. NRRL No. B-30087); Bacillus firmus, in particular, strain CNMC 1-1582 (e.g. VOTIVO® from BASF SE); Bacillus amyloliquefaciens, in particular strain FZB42 (e.g.
  • RHIZOVITAL® from ABiTEP, DE
  • Bacillus amyloliquefaciens strain PTA-4838 (AVEO EZ® from Valent/Sumitomo; VARNIMO® ST from LidoChem); Bacillus cereus, in particular spores of Bacillus cereus strain CNCM 1-1562 (cf. US 6,406,690); Bacillus laterosporus (also known as Brevibacillus laterosporus; e.g. BIO-TODE® from Agro-Organics, ZA); Bacillus megaterium, strain YFM3.25 (e.g.
  • BIOARC® from BioArc
  • Bacillus mojavensis strain SR11 (CECT-7666; by Probelte S.A); Bacillus nematocida B16 (CGMCC Accession No. 1128); a mixture of Bacillus licheniformis FMCHOOI and Bacillus subtilis FMCH002 (available as QUARTZO® (WG), PRESENCE® (WP) from FMC Corporation); Pasteuria nishizawae (e.g.
  • Streptomycete sp. such as Streptomyces lydicus strain WYEC108 (also known as Streptomyces lydicus strain WY CD 108US) (ACTINO-IRON® and ACTINOVATE® from Novozymes); Streptomyces saraceticus (e.g. CLANDA® from A & A Group (Agro Chemical Corp.); Bacillus thuringiensis strain CR-371 (Accession No. ATCC 55273); Bacillus cepacia (e.g. DENY® from Stine Microbial Products); Lysobacter enzymogenes, in particular strain C3 (cf. J Nematol.
  • Muscodor albus in particular strain QST 20799 (Accession No. NRRL 30547); Muscodor roseus, in particular strain A3-5 (Accession No. NRRL 30548); Purpureocillium lilacinum (previously known as Paecilomyces lilacinus), in particular P. lilacinum strain 251 (AGAL 89/030550; e.g. BioAct from Bayer CropScience Biologies GmbH), strain 580 (BIOSTAT* WP (ATCC No. 38740) by Laverlam), strain in the product BIO-NEMATON* (T.
  • Muscodor albus in particular strain QST 20799 (Accession No. NRRL 30547); Muscodor roseus, in particular strain A3-5 (Accession No. NRRL 30548); Purpureocillium lilacinum (previously known as Paecilomyces lilacinus), in particular P. lilacinum strain
  • DiTeraTM by Valent Biosciences Paecilomyces variotii, strain Q-09 (e.g. Nemaquim® from Quimia, MX); Stagonospora phaseoli (e.g. from Syngenta); Trichoderma lignorum, in particular strain TL-0601 (e.g.
  • a preferred biological control agent is Bacillus subtilis.
  • the mixtures as described above can be used in a method for controlling pests, which comprises applying a composition comprising a mixture as described above to the pests or their environment, with the exception of a method for treatment of the human or animal body by surgery or therapy and diagnostic methods practiced on the human or animal body.
  • the combinations comprising mixtures of pelargonic acid and one or more active agents as described above can be applied, for example, in a single "ready-mix” form, in a combined spray mixture composed from separate formulations of the single active agent components, such as a "tank-mix", and in a combined use of (A) a pelargonic acid and (B) a separate composition comprising the additional active agent when applied in a sequential manner, i.e., one after the other with a reasonably short period, such as a few hours or days.
  • the order of applying the pelargonic acid and the active agents as described above is not essential for working the present invention.
  • a preferred method of application in the field of crop protection is application to the foliage of the plants (foliar application), it being possible to select frequency and rate of application to match the danger of infestation with the pest in question.
  • LSD Least Significant Difference
  • %UNCK percent of untreated check, i.e., % efficacy Phytotoxicity (PHYGEN)
  • Application A was made at the occurrence of the insects, Stage BBCH 61-63; Application B was made 14 days later, Stage BBCH 65-67. Number of insects at Application A: 4.25 insects per plot; at Application B: 23 insects per plot.

Abstract

La présente invention concerne des procédés de lutte contre les arthropodes, en particulier les insectes et/ou les acariens, et les nuisibles envers le colza, au moyen d'acide pélargonique, qui présentent une activité insecticide et acaricide hautement efficace combinée à une faible phytotoxicité.
PCT/EP2023/051478 2022-02-01 2023-01-23 Procédés et compositions pour lutter contre des nuisibles dans le colza WO2023148033A1 (fr)

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