CN115053910A - Pesticide composition and application thereof - Google Patents

Pesticide composition and application thereof Download PDF

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CN115053910A
CN115053910A CN202210777400.8A CN202210777400A CN115053910A CN 115053910 A CN115053910 A CN 115053910A CN 202210777400 A CN202210777400 A CN 202210777400A CN 115053910 A CN115053910 A CN 115053910A
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pesticide
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CN115053910B (en
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余思策
刘润峰
李光亮
陶代雨
张磊
熊利鹏
赵悬豪
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Jiangsu Mingde Lida Crop Technology Co ltd
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Jiangsu Mingde Lida Crop Technology Co ltd
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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
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
    • A01N43/40—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom six-membered rings
    • 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
    • A01N37/44—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 containing at least one carboxylic group or a thio analogue, or a derivative thereof, and a nitrogen atom attached to the same carbon skeleton by a single or double bond, this nitrogen atom not being a member of a derivative or of a thio analogue of a carboxylic group, e.g. amino-carboxylic acids
    • A01N37/46—N-acyl derivatives
    • 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

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  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Environmental Sciences (AREA)
  • Pest Control & Pesticides (AREA)
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  • General Health & Medical Sciences (AREA)
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  • Agronomy & Crop Science (AREA)
  • Insects & Arthropods (AREA)
  • Chemical & Material Sciences (AREA)
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  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

The embodiment of the invention relates to a pesticide composition and application thereof, and relates to the field of pesticides, wherein active ingredients comprise cyflumetofen and flonicamid, and the weight ratio of the cyflumetofen to the flonicamid is 1 (0.1-28). The cyflumetofen and flonicamid compound preparation has a synergistic effect, and the control effect on pests is obviously improved compared with that of a cyflumetofen or flonicamid single-dose preparation.

Description

Pesticide composition and application thereof
Technical Field
The invention relates to the field of pesticides, and particularly relates to a pesticide composition and application thereof.
Background
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Ciprofloxacin, the common name cyproflilide, test code CAC-I-785. IUPAC name: 3' - [ ({ 2-bromo-4- [1,2,2, 2-tetrafluoro-1- (trifluoromethyl) ethyl group)]-6- (trifluoromethyl) phenyl } amino) carbonyl]-N- (cyclopropylmethyl) -2', 4-difluorobenzanilide; CAS name: n- [3- [ [ [ 2-bromo-4- [1,2,2, 2-tetrafluoro-1- (trifluoromethyl) ethyl ] methyl ] ethyl]-6- (trifluoromethyl) phenyl]Amino group]Carbonyl radical]-2-fluorophenyl group]-N- (cyclopropylmethyl) -4-fluorobenzamide. CAS accession number: 2375110-88-4; the molecular formula is as follows: c 28 H 17 BrF 12 N 2 O 2 . The structural formula is shown as formula 1:
Figure BDA0003727846400000011
the cyflumetoamine is a meta-bisamide insecticide created by a Tahe group by taking a bisamide insecticide as a lead compound, has a novel chemical structure and a unique action mechanism, and has the effects of stomach toxicity, contact killing, systemic absorption and the like. Cyflumetofen is an insecticide with a novel mechanism of action: GABA-gated chloride channel allosteric modulators. It can cause hyperexcitability and convulsions in insects. The cyflumetofen is classified into a group 30 by the Insecticide Resistance Action Committee (IRAC), has no cross resistance with the existing insecticide, and has good control effect on pests such as chilo suppressalis, rice leaf roller, diamond back moth, beet armyworm, spodoptera frugiperda, flea beetle, thrips, aphid and the like on various crops such as rice, corn, cotton, soybeans, fruit trees, vegetables and the like. And the composition has good compatibility with the environment and high safety to human beings, livestock, beneficial insects, fish, shrimps, algae and other aquatic organisms.
Flonicamid is a novel low-toxicity pyridine amide type insect growth regulating pesticide developed by Japan stone Proc. The flonicamid molecules contain trifluoromethyl and introduce a nicotinamide structure, has strong neurotoxicity and quick antifeedant action, has unique action mechanism, and is different from high-efficiency insecticides such as neonicotinoids, pymetrozine and the like. It has the features of low dosage, high activity, high systemic conductivity, rain wash resistance, etc. When the pests eat and inhale plant juice with flonicamid, the pests can be quickly prevented from eating and eating the plant juice. Can be used for preventing and controlling aphids, thrips, whiteflies and other sucking mouth parts on wide crops, and can also be used for preventing and controlling pests which generate resistance to other insecticides. Has good safety to crops, people, livestock and environment and has good development prospect.
The long-term use of the pesticide containing the single active ingredient for pest control can cause the drug resistance of a target, thereby causing poor pesticide effect and environmental pollution, and simultaneously, different pesticides are required for different pests, thereby consuming a large amount of manpower and financial resources. The compound with different action mechanisms and different active ingredients is reasonably compounded, so that the insecticidal spectrum can be expanded, the lasting time can be delayed, and the dosage can be reduced, thereby reducing the medication cost and reducing the environmental pollution.
In view of this, the invention is particularly proposed.
Disclosure of Invention
Object of the Invention
The invention aims to provide a pesticide composition and application thereof, and the cyflumetofen and flonicamid compound preparation has a synergistic effect, so that the control effect on pests is obviously improved compared with the use of a cyflumetofen or flonicamid single-dose preparation.
Solution scheme
In order to achieve the purpose of the invention, the embodiment of the invention provides a pesticide composition, the effective ingredients of which comprise cyflumetofen and flonicamid in a weight ratio of 1 (0.1-28), optionally 1 (0.1-25), optionally 1 (0.3-20), optionally 1 (1-15), optionally 1 (1-7), optionally 1 (1-5), optionally 1 (1-3), optionally 1:1, or 1:3, or 1: 7.
Further, the effective component accounts for 1-99%, optionally 25-50%, optionally 40-42% of the total weight of the composition.
The paint further comprises an auxiliary agent, and the weight ratio of the effective components to the auxiliary agent is 1 (1-90).
Further, the auxiliary agent is selected from one or more of a dispersing agent, a wetting agent, an emulsifier, a solvent, a cosolvent, a thickening agent, a stabilizing agent, a defoaming agent, an antifreezing agent, a preservative, a binder, a wall material, an acid adjusting medium, an alkali adjusting medium, water, a disintegrating agent and a solid inert carrier;
optionally, the dispersant comprises one or more of alkyl naphthalene sulfonate, bis (alkyl) naphthalene sulfonate formaldehyde condensate, aryl phenol polyoxyethylene succinate sulfonate, octyl phenol polyoxyethylene ether sulfate, polycarboxylate, sodium lignosulfonate, alkylphenol polyoxyethylene ether formaldehyde condensate sulfate, calcium alkylbenzene sulfonate, sodium naphthalene sulfonate formaldehyde condensate, polyoxyethylene polyoxypropylene block copolymer, alkylphenol polyoxyethylene ether, fatty amine polyoxyethylene ether, fatty acid polyoxyethylene ester, and ester polyoxyethylene ether;
optionally, the wetting agent comprises one or more of sodium dodecyl sulfate, sodium dodecyl benzene sulfonate, nekal BX, pesticide emulsion 2000# series, sodium lauryl sulfate, wetting penetrant F, wetting agent T, fructus Gleditsiae Abnormalis powder, tea seed cake, faeces Bombycis and fructus Sapindi Mukouossi powder;
optionally, the solvent or co-solvent comprises one or more of methanol, ethanol, isopropanol, propylene glycol, glycerol, N-butanol, aromatic hydrocarbon solvent oil, cyclohexanone, dimethyl sulfoxide, sec-butyl acetate, N-methylpyrrolidone, and methyl oleate;
optionally, the anti-freeze agent comprises one or more of ethylene glycol, 1, 2-propylene glycol, glycerol, and urea;
optionally, the binder comprises one or more of starch, gypsum, glucose, sucrose, polyvinyl alcohol, gum arabic, and dextrin;
optionally, the thickener comprises one or more of magnesium aluminum silicate, xanthan gum, polyethylene glycol, polyvinyl alcohol, carboxymethyl cellulose, and phenolic resin;
optionally, the solid inert carrier comprises one or more of clay, silica, diatomaceous earth, kaolin, attapulgite, montmorillonite, bentonite, talc and light calcium carbonate;
optionally, the defoaming agent is selected from one or more of silicone, C8-10 fatty alcohol, C10-20 saturated fatty acid (such as capric acid) and amide, and organosilicon;
optionally, the wall material comprises one or more of polyureas, polyurethanes, melamine resins and mixed polyurea/polyamides, gelatin/gum arabic, polyamides, urea/formaldehyde, Nylon (Nylon), polyethylene/paraffin;
optionally, the acid adjusting medium comprises one or more of ammonium chloride, hydrochloric acid, citric acid, phosphoric acid, ammonium sulfate, ammonium nitrate, acetic acid;
optionally, the alkali adjusting medium comprises one or more of sodium hydroxide, triethanolamine, triethylamine, ammonia water, sodium ethoxide and urea;
optionally, the preservative comprises sodium benzoate.
Furthermore, the pesticide composition is in the form of one or more of a water suspension agent, a seed treatment suspension agent, missible oil, a soluble solution, a microcapsule suspension agent, an aqueous emulsion, a microemulsion, a dispersible oil suspension agent, a wettable powder or a water dispersible granule.
Further, the pesticide composition is in the form of an aqueous suspending agent, and the aqueous suspending agent comprises the following raw materials in parts by weight: 26-50% of pesticide active ingredients, 1-10% of dispersing agent, 0.1-8% of thickening agent, 0.1-0.3% of defoaming agent, 0.1-0.5% of preservative, 2-8% of antifreezing agent and 40-70% of water;
optionally, the dispersing agent is selected from one or more of polycarboxylate, sodium lignosulfonate and polyoxyethylene polyoxypropylene block copolymer;
optionally, the thickener is selected from one or more of magnesium aluminum silicate and xanthan gum;
optionally, the defoamer is selected from silicone defoamers;
optionally, the antifreeze agent comprises one or more of ethylene glycol, 1, 2-propylene glycol, glycerol, and urea;
among the adjuvants required by the pesticide composition, the stabilizing agent and the preservative are commonly used in the field, which are well known to those skilled in the art and are not described herein any more, and the preservative can comprise sodium benzoate;
optionally, the aqueous suspension comprises the following raw materials in parts by weight: 40-50% of pesticide active ingredients, 1-3% of sodium lignosulfonate, 1-3% of polyoxyethylene polyoxypropylene block copolymer, 2-4% of polycarboxylate, 0.1-0.15% of xanthan gum, 0.4-0.6% of magnesium aluminum silicate, 0.2-0.5% of organic silicon defoamer, 0.1-0.5% of sodium benzoate, 3-8% of glycol, and the balance of water;
optionally, the aqueous suspension comprises the following raw materials in parts by weight: 40 to 50 percent of pesticide active ingredient, 2 percent of sodium lignosulfonate, 2 percent of polyoxyethylene polyoxypropylene block copolymer, 3 percent of polycarboxylate, 0.12 percent of xanthan gum, 0.5 percent of magnesium aluminum silicate, 0.3 percent of organic silicon defoamer, 0.2 percent of sodium benzoate, 4 percent of glycol, and the balance of water.
Further, the pesticide composition is characterized in that the formulation of the pesticide composition is water dispersible granules, and the water dispersible granules comprise the following raw materials in parts by weight: 26-50% of pesticide active ingredients, 5-10% of dispersing agents, 1-8% of wetting agents, 1-8% of binders and 24-77% of acid adjusting media;
optionally, the water dispersible granule comprises the following raw materials in parts by weight: 40-50% of pesticide active ingredients, 6-9% of dispersing agents, 1-8% of wetting agents, 4-8% of binders and 25-49% of acid adjusting media;
optionally, the dispersant is selected from sodium lignosulfonate salts;
optionally, the wetting agent is selected from sodium lauryl sulfate;
optionally, the binder is selected from sucrose;
optionally, the acid adjusting medium is selected from ammonium sulfate;
optionally, the water dispersible granule comprises the following raw materials in parts by weight: 40-50% of pesticide active ingredients, 6-7% of sodium lignosulfonate, 2-4% of sodium dodecyl sulfate, 4-8% of cane sugar and 31-49% of ammonium sulfate;
optionally, the water dispersible granule comprises the following raw materials in parts by weight: 40-50% of pesticide active ingredients, 7% of sodium lignosulphonate, 3% of sodium dodecyl sulfate, 5% of cane sugar and 35-45% of ammonium sulfate.
In another aspect, the application of the pesticide composition in controlling plant pests is provided; optionally, the plant insect pests include one or more of chilo suppressalis, cnaphalocrocis medinalis, diamond back moth, spodoptera exigua, spodoptera frugiperda, flea beetle, thrips, and aphids.
Optionally, the crop comprises one or more of rice, corn, cotton, soybeans, fruit trees, vegetables.
In a further aspect, the invention provides a method of using the pesticidal composition, wherein the amount of the active ingredient applied is 0.5-20 g/mu, optionally 1-5 g/mu.
Advantageous effects
(1) The cyflumetofen and flonicamid compound preparation has a synergistic effect, and the control effect on pests is obviously improved compared with that of a cyflumetofen or flonicamid single-dose preparation.
(2) The cyflumetofen and flonicamid compound preparation can prevent and treat multiple pests which occur simultaneously or in succession by once application, so that the use amount of pesticides is reduced, the application cost is reduced, and the improvement of the resistance of the pests is delayed.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are a part of the embodiments of the present invention, but not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.
Furthermore, in the following detailed description, numerous specific details are set forth in order to provide a better understanding of the present invention. It will be understood by those skilled in the art that the present invention may be practiced without some of these specific details. In some embodiments, materials, elements, methods, means, and the like that are well known to those skilled in the art are not described in detail in order to not unnecessarily obscure the present invention.
In the following examples, each raw material was a commercially available product. Wherein the cyflufenamid is purchased from Nantong Taihe chemical Co., Ltd; flonicamid was purchased from kyebo agrichemical technologies ltd.
Example 1 (weight ratio of Cyprofluramid to flonicamid 1:25)
Preparation of 1% cyflumetofen and 25% flonicamid SC
The composition comprises, by mass, 1% of cyflumetofen, 25% of flonicamid, 2% of sodium lignosulfonate, 2% of polyoxyethylene polyoxypropylene block copolymer, 3% of polycarboxylate, 0.2% of xanthan gum, 1% of magnesium aluminum silicate, 0.3% of organic silicon defoamer, 0.2% of sodium benzoate and 4% of ethylene glycol, and the balance is made up by water.
Example 2 (weight ratio of Cylfenflumetoamine to flonicamid 1:20)
Preparation of 2% cyflumetofen and 40% flonicamid WDG
The pesticide composition is prepared by uniformly mixing 2% of cyflumetofen, 40% of flonicamid, 7% of sodium lignosulfonate, 3% of sodium dodecyl sulfate, 5% of cane sugar and ammonium sulfate in percentage by mass, crushing, granulating, sieving and drying.
Example 3 (weight ratio of Cylfenflumetoamine to flonicamid 1:15)
Preparation of 2% cyflumetofen and 30% flonicamid OD
The composition comprises, by mass, 10% of cyflumetofen, 30% of flonicamid, 8% of calcium dodecylbenzene sulfonate, 8% of castor oil polyoxyethylene ether, 1% of organic bentonite, and the balance of methyl oleate.
Example 4 (weight ratio of Cylfenflumetoamine to flonicamid 1:7)
Preparation of 5% cyflumetofen and 35% flonicamid SC
According to the mass percentage, the composition comprises 5% of cyflumetofen, 35% of flonicamid, 2% of sodium lignosulfonate, 2% of polyoxyethylene polyoxypropylene block copolymer, 3% of polycarboxylate, 0.12% of xanthan gum, 0.5% of magnesium aluminum silicate, 0.3% of organic silicon defoamer, 0.2% of sodium benzoate and 4% of ethylene glycol, and the balance is made up by water.
Example 5 (weight ratio of Cylfenflumetoamine to flonicamid 1:3)
Preparation of 10% cyflumetofen and 30% flonicamid SC
According to the mass percentage, the ingredients comprise 10% of cyflumetofen, 30% of flonicamid, 2% of sodium lignosulfonate, 2% of polyoxyethylene polyoxypropylene block copolymer, 3% of polycarboxylate, 0.12% of xanthan gum, 0.5% of magnesium aluminum silicate, 0.3% of organic silicon defoamer, 0.2% of sodium benzoate and 4% of ethylene glycol, and the balance is made up by water.
Example 6 (weight ratio of Cylfenflumetoamine to flonicamid 1:1)
Preparation of 20% cyflumetofen and 20% flonicamid SC
According to the mass percentage, the ingredients comprise 20% of cyflumetofen, 20% of flonicamid, 2% of sodium lignosulfonate, 2% of polyoxyethylene polyoxypropylene block copolymer, 3% of polycarboxylate, 0.12% of xanthan gum, 0.5% of magnesium aluminum silicate, 0.3% of organic silicon defoamer, 0.2% of sodium benzoate and 4% of ethylene glycol, and the balance is made up by water.
Example 7 (weight ratio of Cylfenflumetoamine to flonicamid 3:1)
Preparation of 30% cyflumetofen and 10% flonicamid SC
According to the mass percentage, the ingredients comprise 30 percent of cyflumetofen, 10 percent of flonicamid, 2 percent of sodium lignosulfonate, 2 percent of polyoxyethylene polyoxypropylene block copolymer, 3 percent of polycarboxylate, 0.12 percent of xanthan gum, 0.5 percent of magnesium aluminum silicate, 0.3 percent of organic silicon defoamer, 0.2 percent of sodium benzoate and 4 percent of glycol, and the balance is made up by water.
Example 8 (weight ratio of Cylfenflumetoamine to flonicamid 7:1)
Preparation of 35% cyflumetofen and 5% flonicamid SC
According to the mass percentage, the composition comprises 35% of cyflumetofen, 5% of flonicamid, 2% of sodium lignosulfonate, 2% of polyoxyethylene polyoxypropylene block copolymer, 3% of polycarboxylate, 0.12% of xanthan gum, 0.5% of magnesium aluminum silicate, 0.3% of organic silicon defoamer, 0.2% of sodium benzoate and 4% of ethylene glycol, and the balance is made up by water.
Example 9 (weight ratio of Cylfenflumetoamine to flonicamid 10:1)
Preparation of 40% cyflumetofen and 4% flonicamid WP
The composition comprises, by mass, 40% of cyflumetofen, 4% of flonicamid, 8% of sodium lignosulfonate, 2% of sodium dodecyl sulfate and kaolin, and is prepared by supplementing, uniformly mixing and crushing.
Comparative example 1
40% Cyclopropanfluben SC
The composition comprises, by mass, 40% of cyflumetofen, 2% of sodium lignosulfonate, 2% of polyoxyethylene polyoxypropylene block copolymer, 3% of polycarboxylate, 0.12% of xanthan gum, 0.5% of magnesium aluminum silicate, 0.3% of silicone defoamer, 0.2% of sodium benzoate and 4% of ethylene glycol, and the balance is made up by water.
Comparative example 2
40% flonicamid SC
The composition comprises, by mass, 40% flonicamid, 2% sodium lignosulfonate, 2% polyoxyethylene polyoxypropylene block copolymer, 3% polycarboxylate, 0.12% xanthan gum, 0.5% magnesium aluminum silicate, 0.3% silicone defoamer, 0.2% sodium benzoate and 4% ethylene glycol, and the balance is made up by water.
Comparative example 3 (weight ratio of Cylfenflumetoamine to flonicamid 1:30)
Preparation of 1% cyflumetofen and 30% flonicamid SC
The composition comprises, by mass, 1% of cyflumetofen, 30% of flonicamid, 2% of sodium lignosulfonate, 2% of polyoxyethylene polyoxypropylene block copolymer, 3% of polycarboxylate, 0.15% of xanthan gum, 1% of magnesium aluminum silicate, 0.3% of organic silicon defoamer, 0.2% of sodium benzoate and 4% of ethylene glycol, and the balance is made up by water.
Comparative example 4 (weight ratio of Cylfenflumetoamine to flonicamid 30:1)
Preparation of 30% cyflumetofen and 2% flonicamid SC
According to the mass percentage, the ingredients comprise 30 percent of cyflumetofen, 2 percent of flonicamid, 2 percent of sodium lignosulfonate, 2 percent of polyoxyethylene polyoxypropylene block copolymer, 3 percent of polycarboxylate, 0.15 percent of xanthan gum, 1 percent of magnesium aluminum silicate, 0.3 percent of organic silicon defoamer, 0.2 percent of sodium benzoate and 4 percent of glycol, and the balance is made up by water.
The inventor carries out synergistic research on the mutual compounding of the insecticidal composition of the cyflumetofen and the flonicamid. The test adopts frankliniella occidentalis as a test object, if no special description is provided, the following proportions (including percentages) are weight ratios, and the specific method comprises the following steps:
test example 1 indoor virulence assay
1.1 test methods:
indoor virulence determination is made with reference to "indoor bioassay of pesticides test guidelines section 14: leaf dipping method (NY/T1154.14-2008). The determination steps are as follows: soaking fresh fructus Siraitiae Grosvenorii in the medicinal liquid for 5s, taking out, sucking the excessive medicinal liquid with absorbent paper, air drying, placing in a culture dish with diameter of 7cm, and inoculating 20 heads of Siberian thrips, and sealing with preservative film (several holes are punctured with insect needle), and repeating the concentration treatment and control treatment for 4 times. After the treatment, each dish was placed in an insect room at a temperature of (25. + -.1 ℃ C.), a relative humidity of (60. + -.10%) and an illumination L: D of 14 h: 10 h.
1.2 data statistics and analysis:
and (5) checking the death condition of the test insects 48h after treatment, calculating the death rate (taking the non-autonomous reaction of the test insects after light needling as a standard for judging the death of the test insects), and recording the total number of the test insects and the number of dead insects.
From the survey data, corrected mortality for each treatment was calculated. And calculating co-toxicity coefficient (CTC value) of the mixture by Sun Yunpei method with reference to NY/T1154.7-2006.
The corrected mortality is calculated according to the formulas (1) and (2) in percentage (%), and the calculation result retains two digits after decimal point:
Figure BDA0003727846400000071
in the formula:
p1-mortality;
k- - -number of dead insects;
n- - -total number of worms treated.
Figure BDA0003727846400000072
In the formula:
p2-correct mortality;
pt-treatment mortality;
p0-blank control mortality.
If the control mortality rate is less than 5%, not correcting; correcting the control mortality rate between 5% and 20% according to a formula (2); control mortality was > 20%, and the test was redone.
Using the logarithmic value of the concentration of the medicine (mg/L) as independent variable X and the probability value of correcting death rate as dependent variable Y to respectively establish toxicity regression equations, and adopting DPS software to calculate LC of single preparation and mixed preparation of each proportion 50 And the co-toxicity coefficient of the mixed preparation thereof, and the synergistic condition is compared. Calculating LC 50 The co-toxicity coefficient (CTC) was calculated according to the grandsinope method. The co-toxicity coefficient CTC is calculated according to the following formula:
(taking A cyflumetofen as a standard medicament, the virulence index of the A cyflumetofen is 100, and B is flonicamid): performing statistical analysis by DPS statistical analysis software to calculate LC of each medicament 50 And calculating the co-toxicity coefficient (CTC value) of the mixture according to the Sun Yunpei method.
Measured toxicity index (ATI) ═ standard medicament LC 50 Test agent LC 50 )×100。
Theoretical virulence index (TTI) ═ a agent virulence index x percent of a in the mixture + B agent virulence index x percent of B in the mixture.
Co-toxicity coefficient (CTC) × 100 [ measured toxicity index (ATI) of the mixture)/Theoretical Toxicity Index (TTI) of the mixture ].
According to NY/T11547.7-2006 pesticide combination division standard: the co-toxicity coefficient (CTC) is more than or equal to 120, and is synergistic; the co-toxicity coefficient (CTC) is less than or equal to 80, and the antagonism is shown; 80 < co-toxicity coefficient (CTC) < 120 showed additive effects. The results are shown in Table 1.
TABLE 1 indoor joint virulence determination of Cyclopropaneflufen and flonicamid on Frankliniella occidentalis
Figure BDA0003727846400000073
Figure BDA0003727846400000081
As can be seen from Table 1, the mixing ratio of the cyflumetofen to the flonicamid is 1: 50-15: when the composition is compounded within the range of 1 (mass ratio), the co-toxicity coefficient (CTC) is 106.17-172.36, and the additive or synergistic effect is realized on frankliniella occidentalis; the mixing proportion is 1: 25-10: 1, shows a synergistic effect on frankliniella occidentalis, and the weight ratio of the compound is 1: 1-1: the effect is most obvious when the composition is used for 3 hours, so that the composition of the cyflumetofen and the flonicamid has reasonability and feasibility.
Test example 2 field efficacy test
Testing of the pesticidal compositions of examples 1 to 9 and comparative examples 1 to 4 on four in a Kidney Bean-planted fieldThe control effect of frankliniella occidentalis on the seasonal bean comprises the following specific steps: the pesticide compositions of examples 1 to 9 and comparative examples 1 to 4 were sprayed in different planting areas, the application amount of the active ingredient was 3 g/mu or 4 g/mu, and the pesticide composition was diluted with water to a spray amount of 30L/mu. The kidney bean land is divided into 42 cells, and each cell is 20m 2 A small area sprayed with clean water is set as a reference, each treatment group is repeated for 3 times, and insect-proof nets are adopted to isolate the small areas. The planting conditions were identical for each planting area except that the insecticide was applied according to the above protocol. The control effect of each treatment agent on frankliniella occidentalis on the kidney beans is investigated 15 days after the application of the pesticide, and the specific test method is carried out according to the pesticide field efficacy test criteria. Random 5-point sampling was performed for each treatment area, 5 kidney beans were taken for each point, the number of frankliniella occidentalis on each leaf of the upper, middle and lower parts of each plant was investigated, the mortality was calculated according to formula (3) and the corrected mortality was calculated according to formula (4), and the results are shown in table 2:
Figure BDA0003727846400000082
Figure BDA0003727846400000083
TABLE 2 cyflumetofen and flonicamid control Effect on Frankliniella occidentalis
Figure BDA0003727846400000084
Figure BDA0003727846400000091
As can be seen from the comparison of the data of examples 1 to 9 and comparative examples 1 to 4 in the table 2, compared with the single-component combination of cyflumetofen and flonicamid, the pesticide prepared by combining 1% of cyflumetofen, 30% of flonicamid SC and 30% of cyflumetofen, 2% of flonicamid SC has good control effect on the frankliniella occidentalis, and the control effect is more than 85%. The usage ratio of the cyflumetofen and the flonicamid has synergistic effect in a wider range, so that the dosage can be reduced, the cost can be reduced, and the pollution of pesticide residues to the environment can be reduced.
In conclusion, the compound composition with the two active ingredients of the cyflumetofen and the flonicamid has a synergistic effect. Compared with a single agent, the insecticidal composition has the advantages of unique action mechanism, small dosage, good quick action, long lasting period and environmental protection. Therefore, the research and the development and the popularization of the invention have great social significance and can generate great economic benefits.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (10)

1. The pesticide composition is characterized in that active ingredients comprise cyflumetofen and flonicamid, and the weight ratio of the cyflumetofen to the flonicamid is 1 (0.1-28).
2. The pesticide composition as claimed in claim 1, wherein the weight ratio of cyflumetofen to flonicamid is 1 (0.1-25), optionally 1 (0.3-20), optionally 1 (1-15), optionally 1 (1-7), optionally 1 (1-5), optionally 1 (1-3), optionally 1:1, or 1:3, or 1: 7.
3. The pesticide composition as set forth in claim 1 or 2, wherein the effective ingredient accounts for 1 to 99%, optionally 25 to 50%, optionally 40 to 42% of the total weight of the composition.
4. The pesticide composition as set forth in any one of claims 1 to 3, further comprising an auxiliary agent, wherein the weight ratio of the active ingredient to the auxiliary agent is 1 (1-90).
5. The pesticide composition as set forth in claim 4, wherein the adjuvant is one or more selected from the group consisting of a dispersant, a wetting agent, an emulsifier, a solvent, a cosolvent, a thickener, a stabilizer, a defoamer, an antifreeze, a preservative, a binder, a wall material, an acid adjusting medium, a base adjusting medium, water, a disintegrant and a solid inert carrier;
optionally, the dispersant comprises one or more of alkyl naphthalene sulfonate, bis (alkyl) naphthalene sulfonate formaldehyde condensate, aryl phenol polyoxyethylene succinate sulfonate, octyl phenol polyoxyethylene ether sulfate, polycarboxylate, sodium lignosulfonate, alkylphenol polyoxyethylene ether formaldehyde condensate sulfate, calcium alkylbenzene sulfonate, sodium naphthalene sulfonate formaldehyde condensate, polyoxyethylene polyoxypropylene block copolymer, alkylphenol polyoxyethylene ether, fatty amine polyoxyethylene ether, fatty acid polyoxyethylene ester, and ester polyoxyethylene ether;
optionally, the wetting agent comprises one or more of sodium dodecyl sulfate, sodium dodecyl benzene sulfonate, nekal BX, pesticide emulsion 2000# series, sodium lauryl sulfate, wetting penetrant F, wetting agent T, fructus Gleditsiae Abnormalis powder, tea seed cake, faeces Bombycis and fructus Sapindi Mukouossi powder;
optionally, the solvent or co-solvent comprises one or more of methanol, ethanol, isopropanol, propylene glycol, glycerol, N-butanol, aromatic hydrocarbon solvent oil, cyclohexanone, dimethyl sulfoxide, sec-butyl acetate, N-methylpyrrolidone, and methyl oleate;
optionally, the anti-freeze agent comprises one or more of ethylene glycol, 1, 2-propylene glycol, glycerol, and urea;
optionally, the binder comprises one or more of starch, gypsum, glucose, sucrose, polyvinyl alcohol, gum arabic, and dextrin;
optionally, the thickener comprises one or more of magnesium aluminum silicate, xanthan gum, polyethylene glycol, polyvinyl alcohol, carboxymethyl cellulose, and phenolic resin;
optionally, the solid inert carrier comprises one or more of clay, silica, diatomaceous earth, kaolin, attapulgite, montmorillonite, bentonite, talc and light calcium carbonate;
optionally, the defoaming agent is selected from one or more of silicone, C8-10 fatty alcohol, C10-20 saturated fatty acid (such as capric acid) and amide, and organosilicon;
optionally, the wall material comprises one or more of polyureas, polyurethanes, melamine resins and mixed polyureas/polyamides, gelatin/gum arabic, polyamides, urea/formaldehyde, Nylon (Nylon), polyethylene/paraffin;
optionally, the acid adjusting medium comprises one or more of ammonium chloride, hydrochloric acid, citric acid, phosphoric acid, ammonium sulfate, ammonium nitrate, acetic acid;
optionally, the alkali adjusting medium comprises one or more of sodium hydroxide, triethanolamine, triethylamine, ammonia water, sodium ethoxide and urea;
optionally, the preservative comprises sodium benzoate.
6. The pesticide composition as set forth in any one of claims 1 to 5, wherein the pesticide composition is in the form of one or more of an aqueous suspension, a seed treatment suspension, an emulsifiable concentrate, a soluble solution, a microcapsule suspension, an aqueous emulsion, a microemulsion, a dispersible oil suspension, a wettable powder or a water dispersible granule.
7. The pesticide composition as set forth in claim 5 or 6, wherein the pesticide composition is in the form of an aqueous suspension, and the aqueous suspension comprises the following raw materials in parts by weight: 26-50% of pesticide active ingredients, 1-10% of dispersing agent, 0.1-8% of thickening agent, 0.1-0.3% of defoaming agent, 0.1-0.5% of preservative, 2-8% of antifreezing agent and 40-70% of water;
optionally, the dispersing agent is selected from one or more of polycarboxylate, sodium lignosulfonate and polyoxyethylene polyoxypropylene block copolymer;
optionally, the thickener is selected from one or more of magnesium aluminum silicate and xanthan gum;
optionally, the defoamer is selected from silicone defoamers;
optionally, the preservative comprises sodium benzoate;
optionally, the anti-freeze agent comprises one or more of ethylene glycol, 1, 2-propylene glycol, glycerol, and urea;
optionally, the aqueous suspension comprises the following raw materials in parts by weight: 40-50% of pesticide active ingredients, 1-3% of sodium lignosulfonate, 1-3% of polyoxyethylene polyoxypropylene block copolymer, 2-4% of polycarboxylate, 0.1-0.15% of xanthan gum, 0.4-0.6% of magnesium aluminum silicate, 0.2-0.5% of organic silicon defoamer, 0.1-0.5% of sodium benzoate, 3-8% of glycol, and the balance of water;
optionally, the aqueous suspension comprises the following raw materials in parts by weight: 40 to 50 percent of pesticide active ingredient, 2 percent of sodium lignosulfonate, 2 percent of polyoxyethylene polyoxypropylene block copolymer, 3 percent of polycarboxylate, 0.12 percent of xanthan gum, 0.5 percent of magnesium aluminum silicate, 0.3 percent of organic silicon defoamer, 0.2 percent of sodium benzoate, 4 percent of glycol, and the balance of water.
8. The pesticide composition as claimed in claim 5 or 6, wherein the pesticide composition is in the form of water dispersible granules, and the water dispersible granules comprise the following raw materials in parts by weight: 26-50% of pesticide active ingredients, 5-10% of dispersing agents, 1-8% of wetting agents, 1-8% of binders and 24-77% of acid adjusting media;
optionally, the water dispersible granule comprises the following raw materials in parts by weight: 40-50% of pesticide active ingredients, 6-9% of dispersing agents, 1-8% of wetting agents, 4-8% of binders and 25-49% of acid adjusting media;
optionally, the dispersant is selected from sodium lignosulfonate;
optionally, the wetting agent is selected from sodium lauryl sulfate;
optionally, the binder is selected from sucrose;
optionally, the conditioning medium is selected from ammonium sulfate;
optionally, the water dispersible granule comprises the following raw materials in parts by weight: 40-50% of pesticide active ingredients, 6-7% of sodium lignosulfonate, 2-4% of sodium dodecyl sulfate, 4-8% of cane sugar and 31-49% of ammonium sulfate;
optionally, the water dispersible granule comprises the following raw materials in parts by weight: 40-50% of pesticide active ingredients, 7% of sodium lignosulphonate, 3% of sodium dodecyl sulfate, 5% of cane sugar and 35-45% of ammonium sulfate.
9. Use of a pesticidal composition according to any one of claims 1 to 8 for controlling plant pests; optionally, the plant insect pests include one or more of chilo suppressalis, cnaphalocrocis medinalis, diamond back moth, spodoptera exigua, spodoptera frugiperda, flea beetle, thrips, and aphids.
10. A method of using a pesticidal composition according to any one of claims 1 to 8, wherein the active ingredient is applied at an amount of from 0.5 to 20 g/acre, optionally from 1 to 5 g/acre.
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WO2022034611A1 (en) * 2020-08-10 2022-02-17 Rajdhani Petrochemicals Private Limited Synergistic pesticidal composition of insecticides and fungicides
CN114423748A (en) * 2019-07-23 2022-04-29 拜耳公司 Novel heteroaryl triazole compounds as pesticides

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Publication number Priority date Publication date Assignee Title
CN109497062A (en) * 2018-06-26 2019-03-22 上海泰禾国际贸易有限公司 One inter-species diamide compound and its preparation method and application
CN114423748A (en) * 2019-07-23 2022-04-29 拜耳公司 Novel heteroaryl triazole compounds as pesticides
WO2022018747A1 (en) * 2020-07-18 2022-01-27 Rajdhani Petrochemicals Private Limited Synergistic agrochemical composition comprising diamides and plant growth regulators
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