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
  • A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
  • A01N65/08—Magnoliopsida [dicotyledons]
• • A—HUMAN NECESSITIES
  • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
  • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
  • A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
  • A01N25/30—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests characterised by the surfactants
• • 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
  • A01N37/06—Unsaturated 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
  • A01P17/00—Pest repellants
• • A—HUMAN NECESSITIES
  • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
  • A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
  • A01M29/00—Scaring or repelling devices, e.g. bird-scaring apparatus
  • A01M29/12—Scaring or repelling devices, e.g. bird-scaring apparatus using odoriferous substances, e.g. aromas, pheromones or chemical agents

Definitions

• the present invention relates to a spider mite repellent.
• Spider mites have eight legs and are classified as spiders. Spider mites live primarily on the leaves of plants, are herbivorous, and suck their contents from the mesophyll tissue. Sucking scars are formed on the leaves after sucking, and if the damage becomes large, the leaves will die. Spider mites have a high ability to walk, move from plant to plant, and suck mesophyll tissue. Therefore, the damage caused by spider mites to crops, fruit vegetables, fruit trees, etc. is enormous. Chemical control, biological control, physical control, etc. have been proposed as means for controlling such spider mites, and organic phosphorus agents, carbamate agents, synthetic pyrethroid agents, etc. are used as agents.
• Patent Document 1 describes the use of agents containing glycerin fatty acid esters, sorbitan fatty acid esters, sucrose fatty acid esters, etc. as active ingredients against winged pests such as whiteflies. is proposed.
• spider mites do not have the ability to fly. To go. In the case of winged pests, feeding damage can be reduced if it is possible to suppress their flying to target plants.
• spider mites cannot be expected to be effective with a repellent such as Patent Document 1 that suppresses the flying to target plants. Therefore, there is a need for new repellents effective against spider mites.
• the present invention has been made in view of the above points, and an object thereof is to provide a repellent that has little impact on the environment and is effective against spider mites.
• the present inventors have made intensive studies to solve the above problems, and found that the use of olive oil, olive pomace oil and/or high olein rapeseed partially hydrogenated oil as an active ingredient has little impact on the environment, The inventors have found that a repellent effective against spider mites can be obtained, and completed the present invention.
• the gist of the present invention is as follows.
• a spider mite repellent containing, as an active ingredient, at least one fat selected from the group consisting of olive oil, olive pomace oil, and high oleic rapeseed partially hydrogenated oil.
• the spider mite repellent of [1] further comprising an alcohol having 1 to 4 carbon atoms.
• [6] A method for repelling spider mites from a plant, which comprises applying the spider mite repellent according to any one of [1] to [5] to the plant.
• [7] A method for preventing or reducing feeding damage caused by spider mites on a plant, which comprises applying the spider mite repellent according to any one of [1] to [5] to the plant.
• a first aspect of the present invention is a spider mite repellent containing, as an active ingredient, at least one fat selected from the group consisting of olive oil, olive pomace oil and high oleic rapeseed partially hydrogenated oil.
• the spider mite repellent of the present invention contains at least one fat selected from the group consisting of olive oil, olive pomace oil and high oleic rapeseed partially hydrogenated oil (hereinafter sometimes referred to as the active ingredient fat) as an active ingredient.
• the spider mite repellent of the present invention contains only at least one selected from the group consisting of olive oil, olive pomace oil and partially hydrogenated high oleic rapeseed oil as an active ingredient.
• Partially hydrogenated high olein rapeseed oil is fat and oil in which part of double bonds of unsaturated fatty acids in fatty acids constituting high olein rapeseed oil are made into single bonds by hydrogenation treatment.
• fats and oils in which the ratio of oleic acid (C18:1) in the constituent fatty acids is 80% by mass or more, and the ratio of oleic acid in the constituent fatty acids is 80 to 90% by mass are more preferable, and fats and oils in which the proportion of oleic acid in the constituent fatty acids is 80 to 90% by mass and the proportion of linoleic acid (C18:2) is 10% by mass or less are more preferable.
• Fats and oils in which the proportion is 80 to 90% by mass and the proportion of linoleic acid is 3 to 10% by mass are even more preferable, the proportion of oleic acid in the constituent fatty acids is 80 to 90% by mass, and the proportion of linoleic acid is Oils and fats containing 3 to 10% by mass and 1% by mass or less of linolenic acid are even more preferable, and the proportion of oleic acid in the constituent fatty acids is 80 to 90% by mass, and the proportion of linoleic acid is 3 to 10% by mass.
• fats and oils containing 0.5% by mass or less of linolenic acid and 1 to 3% by mass of stearic acid are even more preferable, and the proportion of oleic acid in the constituent fatty acids is 80 to 90% by mass, and linoleic acid is 3 to 10 mass %, linolenic acid is 0.5 mass % or less, stearic acid is 1 to 3 mass %, and palmitic acid is 2 to 6 mass %.
• the proportion of linolenic acid in the constituent fatty acids of the partially hydrogenated high olein rapeseed oil is 0% by mass.
• preferable fats and oils satisfying the above numerical range include LO-1 (actor LO-1, manufactured by Riken Vitamin Co., Ltd.).
• “Olive pomace oil” refers to olive pomace oil defined by the International Olive Council (IOC).
• the olive pomace oil is preferably an olive pomace oil in which the ratio of oleic acid in the constituent fatty acids is 70% by mass or more, and more preferably an olive pomace oil in which the ratio of oleic acid in the constituent fatty acids is 70 to 80% by mass.
• Olive pomace oil in which the ratio of oleic acid in the constituent fatty acids is 70 to 80% by mass and the ratio of linoleic acid is 5 to 15% by weight is even more preferable, and the ratio of oleic acid in the constituent fatty acids is 70 to 80% by weight.
• olive pomace oil containing 8 to 12% by mass of linoleic acid and 0.1 to 5% by mass of linolenic acid, and the proportion of oleic acid in the constituent fatty acids is 70 to 80% by mass, Even more preferred is an olive pomace oil with 8-12% by weight of linoleic acid, 0.1-5% by weight of linolenic acid and 5-15% by weight of palmitic acid.
• Olive oil (preferably extra virgin olive oil) is preferably olive oil having a proportion of oleic acid in the constituent fatty acids of 75% by mass or more, and olives having a proportion of oleic acid in the constituent fatty acids of 75 to 85% by mass. Oil is more preferred, and olive oil in which the proportion of oleic acid in the constituent fatty acids is 75 to 85% by mass and linoleic acid is 3 to 8% by weight is even more preferred, and the proportion of oleic acid in the constituent fatty acids is 75 to 85% by mass.
• oleic acid in the constituent fatty acids is 75 to 85% by mass.
• 3-8% by weight of linoleic acid, 0.1-5% by weight of linolenic acid, and 5-15% by weight of palmitic acid are even more preferred.
• High oleic rapeseed partially hydrogenated oil, olive pomace oil, and olive oil all have a large proportion of oleic acid in their constituent fatty acids.
• olein-rich sunflower oil about 84 mass% oleic acid, about 7-8 mass% linoleic acid
• safflower oil about 79 mass% oleic acid, about 12 mass% linoleic acid
• olein-rich rapeseed oil oleic-rich canola oil
• oleic acid about 76% by mass, linoleic acid about 14% by mass, linolenic acid about 2% by mass it is sufficient against spider mites.
• the effect of the present invention is exhibited by selecting a specific oil or fat, that is, at least one oil or fat selected from the group consisting of olive oil, olive pomace oil and high oleic rapeseed partially hydrogenated oil.
• the spider mite repellent of the present invention may contain components other than the above specific fats and oils.
• Other components include oils and fats other than those mentioned above (vegetable oils and fats) and auxiliary agents.
• the proportion of the oils and fats other than the above in the total fat is less than 50% by mass, preferably 30% by mass or less, more preferably 20% by mass or less, and 10% by mass. It is even more preferably not more than 5% by mass, even more preferably not more than 5% by mass, and even more preferably not more than 3% by mass.
• the auxiliary agent refers to a component that assists the dissolution/dispersion of the above-mentioned oil as an active ingredient in a diluent (specifically, water) or helps the adhesion of the above-mentioned oil to the surface of plants.
• a diluent specifically, water
• auxiliary agents include alcohols and surfactants.
• the spider mite repellent of the present invention may contain alcohol.
• the alcohol is preferably an alcohol having 1 to 4 carbon atoms, more preferably ethanol and/or 1-propanol, and even more preferably ethanol.
• the inclusion of alcohol improves the dispersion and emulsification in water, and the uniform emulsification of the oils and fats as the active ingredient enhances the repellent effect and stabilizes the effect.
• the alcohol content is preferably 0.1 to 10 parts by mass, more preferably 0.5 to 5 parts by mass, and 1 to 3 parts by mass with respect to 100 parts by mass of the oil or fat as the active ingredient. It is even more preferred to have
• the spider mite repellent of the present invention may contain a surfactant.
• the spider mite repellent of the present invention can obtain a repelling effect against spider mites without adding a surfactant. It is possible to evenly adhere the oils and fats of the active ingredient to the plant. Therefore, the fats and oils of the active ingredient can adhere to the plant evenly and for a long period of time, and the effect can be exhibited.
• surfactants include nonionic surfactants, cationic surfactants, and anionic surfactants. Since the purpose of adding a surfactant in the present invention is as described above, the type of surfactant is not particularly limited, and conventionally used surfactants can be used.
• nonionic surfactants include sorbitan fatty acid (C 8-18 ) esters (specifically, sorbitan monostearate, sorbitan monopalmitate, sorbitan monooleate, sorbitol monolaurate, etc.), glycerin fatty acid, (C 8-18 ) esters (specifically glycerol monostearate, glycerol monooleate, etc.), propylene glycol fatty acid (C 8-18 ) esters (specifically, propylene glycol monostearate, propylene glycol mono oleate, propylene glycol monopalmitate, etc.), sucrose fatty acid ( C8-18 ) ester (specifically, sucrose stearate, sucrose palmitate, sucrose myristate, sucrose oleate) , sucrose laurate, sucrose behenate, etc.), polyglycerin fatty acid ( C8-18 ) esters (specifically, diglycerin monooleate, digly
• polyoxyethylene hydrogenated castor oil polyoxyethylene castor oil, polyoxyethylene castor oil, and polyglycerin fatty acid ( C8-18 ) ester are preferred, and polyoxyethylene hydrogenated castor oil, polyoxyethylene castor oil, diglycerin monooleate (e.g., , and Poem DO-100V (trade name, manufactured by Riken Vitamin Co., Ltd.).
• Cationic surfactants include alkoxylated fatty amines, alkylamine salts (e.g., coconutamine acetate, stearylamine acetate, etc.), quaternary ammonium salts (e.g., lauryltrimethylammonium chloride, stearyltrimethylammonium chloride, etc.), and Genamin C100 (trade name, manufactured by CLARIANT), etc.) are preferred.
• alkylamine salts e.g., coconutamine acetate, stearylamine acetate, etc.
• quaternary ammonium salts e.g., lauryltrimethylammonium chloride, stearyltrimethylammonium chloride, etc.
• Genamin C100 trade name, manufactured by CLARIANT
• anionic surfactants include fatty acid salts, benzoates, alkyl sulfosuccinates, dialkyl sulfosuccinates, alkyl sulfates, alkyl sulfates, alkyl diglycol ether sulfates, alcohol sulfates, and alkyl sulfones.
• the surfactant preferably contains a nonionic surfactant, more preferably consists of only a nonionic surfactant, and is selected from polyoxyethylene hydrogenated castor oil and polyoxyethylene castor oil. It is even more preferable to use a combination of at least one kind of polyoxyethylene hydrogenated castor oil and diglycerin monooleate. Even more preferably, it is used in combination with oleate.
• a nonionic surfactant preferably contains a nonionic surfactant, more preferably consists of only a nonionic surfactant, and is selected from polyoxyethylene hydrogenated castor oil and polyoxyethylene castor oil. It is even more preferable to use a combination of at least one kind of polyoxyethylene hydrogenated castor oil and diglycerin monooleate. Even more preferably, it is used in combination with oleate.
• the surfactant one type of surfactant may be used alone, or two or more types of surfactants may be used in combination.
• the content of the surfactant is preferably 0.1 to 30 parts by mass, more preferably 0.5 to 20 parts by mass, with respect to 100 parts by mass of the oil as an active ingredient, and 0.5 to It is more preferably 10 parts by mass, even more preferably 1 to 5 parts by mass, and even more preferably 1 to 3 parts by mass.
• the spider mite repellent of the present invention may contain water. If the spider mite repellent contains water, it either does not need to be diluted before use, or the amount of dilution water used during use can be reduced. When water is included, the concentration of oil and fat as the active ingredient in the spider mite repellent is 2 to 1,000 times, preferably 10 to 800 times, more preferably 20 to 500 times, still more preferably 30 to 400 times, still more. Water is preferably included so that the dilution is preferably 40-300 fold, even more preferably 50-200 fold, and most preferably 100 fold.
• the concentration of the oil as an active ingredient in the spider mite repellent is 10 to 10,000 mg/100 mL.
• the concentration of the oil or fat as the active ingredient in the spider mite repellent is more preferably 20 to 8,000 mg/100 mL, even more preferably 50 to 5,000 mg/100 mL. ,000 mg/100 mL, even more preferably 200-4,000 mg/mL, even more preferably 250-3,000 mg/mL, even more preferably 300-3,000 mg/100 mL. is even more preferred, 500 to 2,000 mg/mL is even more preferred, and 1000 mg/100 mL is most preferred.
• the spider mite repellent of the present invention may further contain components other than those described above as long as the effects of the present invention are not impaired.
• the spider mite repellent of the present invention preferably contains the above-mentioned active ingredients of oil, alcohol and surfactant.
• the mass ratio of fats and oils as active ingredients: (alcohol + surfactant) is preferably 100:1 to 100:30, more preferably 100:2 to 100:20, and 100:1 to 100: 10 is even more preferred, 100:2 to 100:5 is even more preferred, and 100:3 is even more preferred.
• the ratio (mass ratio) of the active ingredient fats and auxiliary ingredients (alcohol and surfactant) is preferably 100: 1 to 100: 30 when used at 50 to 250 times dilution, and 100: 1 to 100 :10 is more preferred and 100:3 is most preferred.
• the weight ratio of alcohol:surfactant is preferably 1.0:5.0 to 5.0:1.0, preferably 1.0:2.5 to 2.5:1.5. More preferably 1.5:1.0 to 1.0:1.5, even more preferably 1:1.
• Plants to be sprayed with the spider mite repellent of the present invention are plants that can be damaged by spider mites.
• the plant is not particularly limited as long as it can be damaged by spider mites, and examples thereof include crops (vegetables, fruit trees) and ornamental plants.
• crops vegetables, fruit trees
• ornamental plants Typical examples include green beans, tomatoes, eggplants, watermelons, and strawberries. Among these, watermelons, strawberries, and eggplants are preferred.
• the spider mite repellent of the present invention has an excellent repelling effect on spider mites.
• spider mites to be repelled by the spider mite repellent of the present invention include spider mites belonging to the family Acaridae, for example, spider mites belonging to the subfamily Pyrodermycidae and the subfamily Urticae; Citrus spider mites, apple spider mites, dust mites, phytoseiid mites, and the like.
• two-spotted spider mites are particularly preferred.
• a second aspect of the present invention is a method for repelling spider mites from a plant, which comprises applying the spider mite repellent of the first aspect or the oil of the active ingredient of the first aspect to the plant.
• a third aspect of the present invention is a method for preventing or reducing feeding damage caused by spider mites on a plant, comprising applying the spider mite repellent of the first aspect or the oil or fat as an active ingredient of the first aspect to the plant.
• Spider mite repellents, active ingredients, plants, and the like are the same as in the first embodiment.
• the spider mite repellent or the oil of the active ingredient of the first aspect is preferably 10 to 10,000 mg/100 mL, more preferably 20 to 8,000 mg/100 mL, still more preferably 50 to 5,000 mg/100 mL, and still more preferably Preferably 100 to 5,000 mg/100 mL, still more preferably 200 to 4,000 mg/mL, still more preferably 250 to 3,000 mg/mL, still more preferably 300 to 3,000 mg/100 mL, still more preferably It is preferred to apply to plants at a concentration of 500-2,000 mg/mL.
• means for applying the spider mite repellent or the oil or fat as the active ingredient of the first aspect to plants include spraying, coating, immersion, and the like.
• the spider mite repellent of the present invention may be applied to the entire above-ground part of the plant, or to the leaves and/or stems of the plant. Moreover, the spider mite repellent of the present invention may be applied to both the surface and the back surface of the leaf of the plant, or may be applied to only one of the surfaces. The spider mite repellent of the present invention may be applied to plants and/or leaves to which spider mites are not attached, or may be applied to plants and/or leaves to which spider mites are attached.
• a fourth aspect of the present invention is the use of the oil as an active ingredient of the first aspect in the manufacture of a spider mite repellent.
• Spider mite repellents, active ingredients and the like are the same as in the first embodiment.
• a fifth aspect of the present invention is a method for producing a spider mite repellent, comprising the step of mixing the active ingredient of the first aspect with alcohol. Moreover, in the mixing step, the active ingredient of the first aspect, the alcohol, and the surfactant may be mixed.
• the production method of the present invention may further include a step of diluting the mixture obtained by the mixing step with water. Examples of the concentration of fats and oils as active ingredients when diluted with water include the concentrations described above. Spider mite repellents, active ingredients, alcohols, surfactants and the like are the same as in the first embodiment.
• compositions of representative fatty acids contained in the fats and oils used in each test are as follows.
• ⁇ High olein rapeseed partially hydrogenated oil (Actor LO-1, manufactured by Riken Vitamin Co., Ltd.)
• ⁇ Olive oil extra virgin olive oil
• ⁇ Olein-rich sunflower oil about 84% by mass of oleic acid, about 7-8% by mass of linoleic acid, about 0.1% by mass of linolenic acid, about 3% by mass of stearic acid, and about 4% by mass of palmitic acid
• ⁇ Olein-rich canola oil about 76% by weight oleic acid, about 14% by weight
• High olein rapeseed partially hydrogenated oil (LO-1) (trade name: Acta LO-1, manufactured by Riken Vitamin Co., Ltd.) and auxiliary agent K are mixed at a mass ratio of 100: 3 and used in Test 1.
• a composition was prepared.
• the composition of auxiliary agent K is as follows.
• CA-42 Polyoxyethylene castor oil (the degree of polymerization of ethylene is 42, manufactured by Toho Chemical).
• DO-100 Poem DO-100V (diglycerin monooleate, manufactured by Riken Vitamin Co., Ltd.).
• Potted green bean seedlings with spider mites growing in them were placed in a tank filled with water to prevent spider mites from moving to other pots.
• the composition prepared above is diluted with water to 50-fold or 100-fold, sprayed on the cotyledons of kidney beans planted in pots where spider mites are not growing, and after air-drying, the leaves of kidney leaves where spider mites are growing. fixed with a clip.
• This pot was also placed in a water tank to prevent migration of spider mites outside of the site where the leaves were attached. Cultivation was continued in this state, and the number of spider mites that migrated to green bean leaves on which no spider mites were growing was examined. As the spider mite, two-spotted spider mite was used (the same applies to other tests). Table 1 shows the results.
• LO-1 The effect of LO-1 on spider mite locomotion was further investigated.
• a drug solution obtained by diluting the composition prepared in Test 1 by 200 times with water was used.
• Five bean seedlings in the treated area were arranged in a horizontal row in a tank filled with water, and the right side leaf of the first seedling was placed on the left side of the second seedling so that spider mites could move between the seedlings.
• attached to the leaves of The right leaf of the second seedling was tied to the left leaf of the third seedling.
• the leaves of the seedlings where spider mites are growing were placed at the site where two V-shaped straight lines overlap, and one of each of the five seedlings in the treated area and the five seedlings in the untreated area was placed. Connected to the left leaf of the eye seedling. It was confirmed that the spider mites had moved to the left leaf (first leaf) of each first seedling.
• the chemical solution prepared above was sprayed on the leaves of the second and subsequent seedlings (the third and subsequent leaves) of the five seedlings in the treatment plot. Five seedlings in the untreated group were not treated with the chemical solution.
• Chemical solution 1 was prepared by adding 0.3 g of auxiliary agent K to 10 g of LO-1, stirring well, and then diluting with water to 250 mg/100 mL (dilution ratio: 400 times).
• Chemical solution 2 was prepared by adding 0.3 g of auxiliary agent E instead of auxiliary agent K to 10 g of LO-1, stirring well, and then diluting with water to 250 mg/100 mL (dilution ratio: 400 times).
• Chemical solutions 3 and 4 were prepared in the same manner as chemical solution 2 except that LO-1 was changed to olive pomace oil or olive oil (dilution ratio: 400 times).
• the composition of the auxiliary agent K and the auxiliary agent E is as follows, and the auxiliary agent E has the same composition as the auxiliary agent K except that ethanol is contained instead of 1-propyl alcohol.
• the spider mite repellent of the present invention is industrially extremely useful.

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• 2022
  • 2022-01-24 EP EP22742709.3A patent/EP4282271A4/en active Pending
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