CN114431238A - Acaricide composition - Google Patents

Acaricide composition Download PDF

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Publication number
CN114431238A
CN114431238A CN202011215721.6A CN202011215721A CN114431238A CN 114431238 A CN114431238 A CN 114431238A CN 202011215721 A CN202011215721 A CN 202011215721A CN 114431238 A CN114431238 A CN 114431238A
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China
Prior art keywords
acaricide
pesticide
macrolide
acaricide composition
mites
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Inventor
赵恒科
许勇华
侯建宇
胡冬松
赵灵杰
钟良坤
邢家华
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Zhejiang Chemical Industry Research Institute Co Ltd
Sinochem Lantian Co Ltd
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Zhejiang Chemical Industry Research Institute Co Ltd
Sinochem Lantian 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
    • A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
    • A01N43/56—1,2-Diazoles; Hydrogenated 1,2-diazoles
    • 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
    • A01N43/90—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having two or more relevant hetero rings, condensed among themselves or with a common carbocyclic ring system

Abstract

The invention discloses an acaricide composition, which takes oxazofen and macrolide pesticides as active ingredients, wherein the mass ratio of oxazofen to macrolide pesticides is 99-1: 1 to 99. The invention also provides an acaricide containing the acaricide composition. The acaricide composition and the acaricide provided by the invention are suitable for preventing and treating common pest mites in crops, are superior to single agents in quick-acting property and lasting property, can reduce the using dosage and the application cost of pesticides, and are beneficial to environmental protection and comprehensive control of agricultural pest mites.

Description

Acaricide composition
Technical Field
The invention belongs to the field of pesticides, and particularly relates to an acaricide composition containing macrolide pesticides.
Background
The mite pests have small volume, fast propagation, strong adaptability and easy resistance generation, mainly damage leaves, tender tips, flower buds and fruits, often cause plant leaf fall, growth inhibition and even withering after the number of the pest population is increased sharply, and are one of the most difficult pests to control. And the harmful mites are easy to generate drug resistance after long-term use of a chemical agent.
Chinese patent CN108570008 discloses a pyrazole derivative, wherein the oxazofen mite nitrile has the following structural formula (I), is an acrylonitrile acaricide, and has the action mechanism that the oxazofen nitrile is converted into a hydroxyl compound through metabolism, acts on the electron transfer chain of the respiratory system of mites, disturbs the action of succinate dehydrogenase, inhibits the normal efficacy of mitochondria, achieves the effect of preventing and treating harmful mites, and has higher biological activity on adult mites, nymphs and eggs, and the structural formula (I) is as follows:
Figure BDA0002760262400000011
the insecticide and acaricide containing single active component is continuously used for preventing and controlling pest mites, and is easy to cause the pest mites to generate drug resistance. The insecticide and acaricide with two active components are mixed into a mixed component according to a certain proportion, so that the control effect can be improved, the using amount of active components is reduced, the cost is saved, and the generation of drug resistance of pests can be delayed.
Therefore, in order to slow down the drug resistance of pests such as harmful mites to the oxazofen and improve the control effect of the pests such as harmful mites, the oxazofen acaricide needs to be compounded for use, so that the service life of the acaricide is prolonged.
Disclosure of Invention
The invention aims to provide an acaricide composition containing macrolide pesticide, which has the advantages of high efficiency, low toxicity and long lasting period, can effectively prevent and treat common pest mites in plants, and is beneficial to comprehensive control of the pest mites.
The invention provides an acaricide composition, which contains pyrazofen-ethyl and macrolide pesticide.
According to the acaricide composition provided by the invention, the pyraclostrobin nitrile and the macrolide pesticide are active ingredients, and the mass ratio of the pyraclostrobin nitrile to the macrolide pesticide is 99-1: 1-99; preferably, the mass ratio of the oxazofen to the macrolide pesticide is 50-1: 1-50; more preferably, the mass ratio of the oxazofen to the macrolide pesticide is 20-1: 1 to 20.
The macrolide pesticide is at least one selected from emamectin benzoate, milbemycin, spinosad, spinetoram, miticide, ivermectin, lepimectin, emamectin, milbemectin, ivermectin, doramectin, moxidectin or selamectin. Preferably, the macrolide pesticide is at least one selected from emamectin benzoate, milbemycin and ivermectin.
The invention also provides an acaricide, which comprises 1.0-90.0% of the acaricide composition by mass percent, and the balance of acceptable carriers and auxiliaries in pesticide preparations.
As a preferable embodiment, the acaricide comprises 5.0-40.0% of the acaricide composition by mass, and the balance of acceptable carriers and auxiliary agents in pesticide preparations.
The carrier used in the preparation of the acaricide can be any carrier used in the development and production processes of pesticide preparations, and can be a solid carrier or a liquid carrier.
The solid support comprises: minerals, plants, synthetic fillers and inorganic salts. Wherein the minerals include silicates, carbonates, sulfates, and oxides. Preferably, the silicate is at least one selected from kaolin, sepiolite, nacrite, montmorillonite, mica, vermiculite, pyrophyllite and talc; the carbonate is selected from calcium carbonate or dolomite; the sulfate is at least one of ammonium sulfate, sodium sulfate and calcium sulfate; the oxide is selected from at least one of quicklime, magnesium lime and diatomite; the plant is selected from at least one of Mandarin orange residue, corn cob core, testa oryzae, soybean straw powder, tobacco powder, Juglandis shell, and sawdust powder; the synthetic filler is selected from at least one of precipitated calcium carbonate hydrate, precipitated calcium carbonate and white carbon black; the inorganic salt is selected from potassium chloride or sodium chloride.
The liquid carrier includes water and an organic solvent. The organic solvent is at least one selected from aromatic hydrocarbon, chlorinated aliphatic hydrocarbon, alcohol, ether, ketone, special solvent, vegetable oil and methylated vegetable oil. Preferably, the aromatic hydrocarbon is selected from at least one of benzene, xylene, trimethylbenzene and toluene; the chlorinated aliphatic hydrocarbon is selected from at least one of trichloromethane, dichloromethane, chloroform, carbon tetrachloride and polychlorinated ethane; the aliphatic hydrocarbon is at least one selected from petroleum fractions, cyclohexane, light mineral oil and paraffin; the alcohol is selected from at least one of methanol, ethanol, isopropanol, butanol, isobutanol, ethylene glycol, propylene glycol, glycerol and fatty alcohol; the ether is at least one selected from propylene glycol ethyl ether, propylene glycol methyl ether and petroleum ether; the ketones are selected from at least one of acetone, cyclohexanone, isophorone, N-methyl-pyrrolidone and N-octyl pyrrolidone; the special solvent is at least one selected from dimethylformamide, dimethyl sulfoxide, polyethylene glycol and hexanenitrile; the vegetable oil is at least one selected from peanut oil, soybean oil, linseed oil, castor oil and rapeseed oil; the methylated vegetable oil is selected from at least one of vegetable methyl oleate, animal methyl oleate, methyl laurate, methyl stearate, methyl myristate, methyl palmitate, methyl caprylate/caprate, methyl cocoate, and mixed fatty acid methyl ester.
The organic solvent may be used alone, may be used in combination, or may be used in combination with water.
The adjuvant used in the preparation of the acaricide can be the adjuvant commonly used in the industry. Preferably, the adjuvant comprises at least one of a surfactant, an antifoaming agent, a thickening agent, a suspending agent, or an anti-freezing agent.
Preferably, the surfactant is selected from at least one of an emulsifier, a dispersant, and a wetting agent.
The emulsifier includes a nonionic emulsifier and an anionic emulsifier. Preferably, the non-ionic emulsifier is selected from at least one of nonylphenol polyoxyethylene ether, fatty alcohol polyoxyethylene ether, styryl phenyl polyoxyethylene ether, alkylphenol formaldehyde resin polyoxyethylene ether, hydroxyl-terminated polyoxyethylene polyoxypropylene ether, styryl phenol formaldehyde resin polyoxyethylene polyoxypropylene ether and castor oil polyoxyethylene ether; the anionic emulsifier is at least one selected from calcium dodecyl benzene sulfonate, ammonium triphenethyl phenol polyoxyethylene ether phosphate, ammonium nonylphenol polyoxyethylene ether phosphate and ammonium castor oil polyoxyethylene ether phosphate.
Preferably, the dispersing agent is at least one selected from the group consisting of a sodium salt of an acrylic acid homopolymer, a disodium salt of maleic acid, a sodium salt of a formaldehyde condensate of naphthalene sulfonic acid, a rosin block polyoxyethylene ether polyoxypropylene ether sulfonate, a hydroxyl-terminated polyoxyethylene polyoxypropylene ether block copolymer, a triphenylethyl phenol polyoxyethylene ether phosphate, fatty alcohol polyoxyethylene ether phosphoric acid and a sodium salt of p-hydroxyphenyl lignosulfonate.
Preferably, the wetting agent is selected from at least one of fatty alcohol-polyoxyethylene ether, naphthalene sulfonate, sodium dodecyl sulfate and alkylphenol resin polyoxyethylene ether sulfate.
Preferably, the defoaming agent is at least one selected from silicone oil, C8-10 fatty alcohol compounds or C10-20 saturated fatty acid compounds.
Preferably, the thickening agent is at least one selected from xanthan gum, magnesium aluminum silicate, sodium alginate, sodium carboxymethylcellulose, acacia, gelatin and polyvinyl alcohol.
Preferably, the suspending agent is selected from at least one of polyvinyl alcohol, sodium alginate, magnesium aluminum silicate and sodium methyl cellulose.
Preferably, the antifreeze is selected from at least one of ethylene glycol, propylene glycol, glycerol or urea.
The acaricide provided by the invention can be prepared into any dosage form suitable for agriculture according to a method commonly used in the field. Preferably, the acaricide is missible oil, dispersible oil suspension, suspending agent, suspoemulsion, wettable powder, water dispersible granule, microcapsule suspension, microemulsion or aqueous emulsion.
The acaricide composition and acaricide provided by the invention are suitable for controlling mites. Preferably, the acaricide composition and the acaricide are suitable for the mites for controlling the acaricide composition, which are selected from at least one of panonychus citri, rust citrus mites, red spider mites on apples, red spider mites on cotton, tetranychus cinnabarinus, tetranychus urticae, tetranychus crataegi and yellow tea mites.
The acaricide composition and acaricide are suitable for controlling mites on plants; preferably, the acaricide composition and acaricide are suitable for controlling mites on citrus, cotton, apples or vegetables.
The acaricide composition and acaricide are prepared by applying the acaricide composition or acaricide on a medium needing to control harmful mites or the growth of the harmful mites in an effective dosage. Preferably, the effective dose is 10-500 g per hectare; more preferably, the effective dose is 15-100 g per hectare.
Compared with the prior art, the acaricide composition has the following advantages:
(1) the two active ingredients in the composition show excellent synergistic effect in a proportioning range, the acaricidal effect is obviously improved compared with that of a single agent, and the composition also has the characteristics of good quick action and long lasting effect;
(2) the dosage is reduced, the drug cost of farmers is reduced, and the acaricide composition is an environment-friendly acaricide composition;
(3) the invention reasonably mixes the two active ingredients by utilizing different action modes and different action mechanisms of the two active ingredients on pest mites, can delay the generation of drug resistance of the pest mites, and can improve the control effect on resistant populations.
Detailed Description
The present invention is further illustrated by the following examples, which are not intended to limit the invention to these embodiments. It will be appreciated by those skilled in the art that the present invention encompasses all alternatives, modifications and equivalents as may be included within the scope of the claims.
In these examples, all percentages are by mass unless otherwise indicated.
Example 1 synergistic Effect assay of composition containing Metronidazole on Tetranychus cinnabarinus
Test subjects: tetranychus cinnabarinus (Tetranychus cinnabarinus Boisdival), adult mites, and indoor-reared sensitive strains.
And (3) testing conditions are as follows: temperature: 25-27 ℃, relative humidity: 75%, illumination: l: D ═ 14:10
Preparing a liquid medicine: according to the test requirement, accurately weighing the test sample by using an electronic analytical balance, wherein the original drug is dissolved by DMF, and then diluting the original drug into liquid medicine with a certain concentration by using 0.1% Tween 80 water according to the test design dosage.
The test method comprises the following steps: the dipping method is adopted according to the indoor biological determination test rule (agricultural industry standard NY/T1154.7-2006) of the pesticide and the standard operation specification (pesticide volume) of the pesticide biological activity test. Evaluation was carried out by the Bliss method, which is one of the classical methods for evaluating the effect of mixtures. Bliss, based on its proposed concept of independent combined action, believes that the theoretical mortality rate P of the insecticidal and acaricidal agent when used in combination can be calculated by the following formula.
P＝Pm+Pn(1-Pm)
Wherein, Pm is the mortality (%) of the target when the active component Azolofen is used at the concentration of m; pn is the mortality (%) of the target at the concentration n of the active ingredient macrolide pesticide used.
If the actual mortality of the target is greater than the theoretical mortality P after the two active components of the pyraclostrobin and the macrolide pesticide are mixed at a certain concentration, the two active components are judged to have synergistic effect when being mixed at a set concentration, otherwise, the two active components are antagonistic, and the results are shown in table 1.
TABLE 1 synergistic effect of mixed application of the agents on tetranychus cinnabarinus adults
Figure BDA0002760262400000071
Figure BDA0002760262400000081
Example 2 indoor Activity assay of composition containing Metronidazole to Tetranychus cinnabarinus
As can be seen from the synergistic effect measurement effect data in the table 1, the composition of 4 agents, such as difenoconazole and emamectin benzoate, mixed together has an obvious synergistic effect on tetranychus cinnabarinus adults, and further the indoor activity measurement is carried out by using a composition of the difenoconazole, the emamectin benzoate, the mibemycin and the ivermectin in a test 50: 1-1: 50 and using a Sunpi (Sun y-p) method.
Test targets: tetranychus cinnabarinus (Boisdivaval) becomes a sensitive strain which is bred indoors.
Preparing a liquid medicine: according to the test requirement, accurately weighing the test sample by using an electronic analytical balance, wherein the original drug is dissolved by DMF, and then diluting the original drug into liquid medicine with a certain concentration by using 0.1% Tween 80 water according to the test design dosage.
The test method comprises the following steps: the dipping method is adopted according to the indoor biological determination test rule (agricultural industry standard NY/T1154.7-2006) of the pesticide and the standard operation specification (pesticide volume) of the pesticide biological activity test.
The agent is treated and then placed in an observation chamber, and the temperature, the humidity and the illumination of the observation chamber can be adjusted as required. After 48 hours, the number of dead and live mites was investigated. Calculating corrected mortality by abbott formula, performing statistical analysis by DPS data processing software, and calculating toxicity regression equation and LC for each single agent and different mixture ratio50The value and the 95% confidence limit, and the cotoxicity coefficient of each proportion is calculated by a Sun Yun Pei (Sun y-p) method, and the blending effect is evaluated. The test results are shown in tables 2-4.
The co-toxicity coefficient (CTC value) of the mixture was calculated according to the following formula:
Figure BDA0002760262400000082
theoretical mixed virulence index (TTI) ═ a virulence index × a content (%) of a in the mixture + B virulence index × B content (%) of B in the mixture;
Figure BDA0002760262400000091
in the formula: CTC-co-toxicity coefficient; actually measuring a toxicity index of the ATI-mixed agent; TTI-mixture theory virulence index.
Co-toxicity coefficient (CTC) of the combination: CTC is more than or equal to 120 and shows synergistic effect; CTC is less than or equal to 80 and shows antagonism; 80<CTC<120 appear to be additive. And, LC of the composition50LC with a value less than one or two of the single doses50By value, it is meant that the composition is administered in a dose less than one or both of the single doses, while achieving the same effect (mortality rate of 50%).
TABLE 2 results of indoor joint toxicity determination of Metronidazole, and Almetrytin benzoate on Tetranychus cinnabarinus
Figure BDA0002760262400000092
As can be seen from the table 2, when the mass ratio of the pyrazofen-ethyl and the emamectin benzoate is 50: 1-1: 50, the co-toxicity coefficients are both greater than 120, and the synergistic effect is achieved on tetranychus cinnabarinus. When the mass ratio of oxacillin to emamectin benzoate is 50: 1-1: 50, the pesticide composition is used for killing tetranychus cinnabarinus LC50All values are at least less than LC of one of the single agents50A value, then, which means that the composition is used in a dose which is less than the dose of one or both of the single doses, at the same effect (mortality rate of 50%); in addition, the control effect of the composition is higher than the theoretical effect of two single agents to different degrees from the definition of co-toxicity coefficient; due to field dosage and indoor LC50The values are positively correlated, so the field dosage of the composition is correspondingly reduced, thereby reducing the use cost and reducing the environmental pollution.
TABLE 3 indoor joint toxicity test results of Metronidazole, Milbemicin, to Tetranychus cinnabarinus
Figure BDA0002760262400000101
As can be seen from the table 3, when the mass ratio of the oxadixyl acaricidal nitrile to the milbemycin is 1: 50-50: 1, the cotoxicity coefficients are both greater than 120, and the pyriproxyfen and the milbemycin have synergistic effect on tetranychus cinnabarinus. When the mass ratio of oxazofen to milbemycins is 1: 50-50: 1, the tetranychus cinnabarinus LC is treated50All values are at least less than LC of one of the single agents50A value, then, which means that the composition is used in a dose which is less than the dose of one or both of the single doses, at the same effect (mortality rate of 50%); in addition, the control effect of the composition is higher than the theoretical effect of two single agents to different degrees from the definition of co-toxicity coefficient; due to field dosage and indoor LC50The values are positively correlated, so the field dosage of the composition is correspondingly reduced, thereby reducing the use cost and reducing the environmental pollution.
TABLE 4 indoor joint toxicity test results of Metronidazole, Ivermectin, to Tetranychus cinnabarinus
Figure BDA0002760262400000102
Figure BDA0002760262400000111
As can be seen from Table 4, when the mass ratio of the oxadixyl mite nitrile to the ivermectin is 50: 1-1: 50, the co-toxicity coefficients are both greater than 120, and the synergistic effect is achieved on tetranychus cinnabarinus. When the mass ratio of the oxacillin to the ivermectin is 50:1 and 1:50, the pesticide composition is used for treating tetranychus cinnabarinus LC50All values are at least less than LC of one of the single agents50A value, then, which means that the composition is used in a dose which is less than the dose of one or both of the single doses, at the same effect (mortality rate of 50%); in addition, the control effect of the composition is higher than the theoretical effect of two single agents to different degrees from the definition of co-toxicity coefficient; due to field dosage and indoor LC50The values are positively correlated, so the field dosage of the composition is correspondingly reduced, thereby reducing the use cost and reducing the environmental pollution.

Claims (10)

1. An acaricide composition characterized by: the acaricide composition contains pyraclostrobin nitrile and macrolide pesticide, and the mass ratio of the pyraclostrobin nitrile to the macrolide pesticide is 99-1: 1 to 99.
2. An acaricide composition according to claim 1, characterized in that: the mass ratio of the oxazofen to the macrolide pesticide is 50-1: 1 to 50.
3. An acaricide composition according to claim 1, characterized in that: the mass ratio of the oxazofen to the macrolide pesticide is (20-1): 1 to 20.
4. An acaricide composition according to claim 1, characterized in that: the macrolide pesticide is at least one selected from emamectin benzoate, milbemycin, spinosad, spinetoram, miticide, ivermectin, lepimectin, emamectin, milbemectin, ivermectin, doramectin, moxidectin or selamectin.
5. An acaricide composition according to claim 1, characterized in that: the macrolide pesticide is at least one selected from emamectin benzoate, milbemycins and ivermectin.
6. An acaricide characterized by: the acaricide comprises 1.0-90.0% of the acaricide composition as described in claim 1 by mass, and the balance of carriers and auxiliary agents acceptable in pesticide preparations.
7. An acaricide according to claim 6, characterized in that: the acaricide comprises 5.0-40.0% of the acaricide composition by mass percent, and the balance of carriers and auxiliary agents which are acceptable in pesticide preparations.
8. An acaricide according to claim 6 or 7, characterized in that: the acaricide can be prepared into missible oil, dispersible oil suspension, suspending agent, suspoemulsion, wettable powder, water dispersible granule, microcapsule suspending agent, microemulsion or aqueous emulsion.
9. Use of an acaricide composition according to claim 1, characterized in that: the acaricide composition is used for preventing and treating mites.
10. Use of an acaricide composition according to claim 9, characterized in that: the mite used for preventing and treating the acaricide composition is selected from at least one of panonychus citri, rust mites of citrus, red spider mites of apple, red spider mites of cotton, tetranychus cinnabarinus, tetranychus urticae koch, tetranychus crataegi and yellow tea mites.
CN202011215721.6A 2020-11-04 2020-11-04 Acaricide composition Pending CN114431238A (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104663679A (en) * 2013-11-26 2015-06-03 中国中化股份有限公司 Pest-killing and mite-killing composition containing macrolide insecticide
CN105766925A (en) * 2014-12-25 2016-07-20 中化农化有限公司 Pesticide composition comprising cyenopyrafen, and application thereof
CN108849914A (en) * 2018-08-30 2018-11-23 浙江海正化工股份有限公司 Agricultural chemical composition for disinsection and its preparation method and application
CN109392928A (en) * 2017-08-15 2019-03-01 海利尔药业集团股份有限公司 A kind of Pesticidal combination containing emamectin benzoate Yu second azoles mite nitrile
CN109832286A (en) * 2017-11-29 2019-06-04 江苏龙灯化学有限公司 A kind of Pesticidal combination
CN111264531A (en) * 2018-12-05 2020-06-12 浙江省化工研究院有限公司 Composition containing abamectin

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104663679A (en) * 2013-11-26 2015-06-03 中国中化股份有限公司 Pest-killing and mite-killing composition containing macrolide insecticide
CN105766925A (en) * 2014-12-25 2016-07-20 中化农化有限公司 Pesticide composition comprising cyenopyrafen, and application thereof
CN109392928A (en) * 2017-08-15 2019-03-01 海利尔药业集团股份有限公司 A kind of Pesticidal combination containing emamectin benzoate Yu second azoles mite nitrile
CN109832286A (en) * 2017-11-29 2019-06-04 江苏龙灯化学有限公司 A kind of Pesticidal combination
CN108849914A (en) * 2018-08-30 2018-11-23 浙江海正化工股份有限公司 Agricultural chemical composition for disinsection and its preparation method and application
CN111264531A (en) * 2018-12-05 2020-06-12 浙江省化工研究院有限公司 Composition containing abamectin

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