CN103053581B - Insecticidal composition of indoxacarb and cartap - Google Patents
Insecticidal composition of indoxacarb and cartap Download PDFInfo
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- CN103053581B CN103053581B CN201210588389.7A CN201210588389A CN103053581B CN 103053581 B CN103053581 B CN 103053581B CN 201210588389 A CN201210588389 A CN 201210588389A CN 103053581 B CN103053581 B CN 103053581B
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- cartap
- indoxacarb
- insecticidal composition
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- rice
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Abstract
The invention discloses an insecticidal composition of indoxacarb and cartap. The insecticidal composition comprises first active ingredient indoxacarb and second active ingredient cartap as well as common helper components, wherein the weight ratio of the indoxacarb to the cartap is 40:1-1:40. a large amount of indoor and outdoor experiments show that the compounded insecticidal composition has a synergetic effect and has excellent preventing and treating effects on various lepidoptera pests, such as plutella xylostella, cabbage caterpillar, asparagus caterpillar, prodenia litura, cotton bollworms, rice stem borers, yellow rice borers and rice leaf rollers, on crops such as vegetables, cottons and rices.
Description
Technical field
The present invention relates to agricultural insecticide composition and application thereof, specifically with indoxacarb and cartap for the composite binary complex of active ingredient, be mainly used in the control of each Species of Lepidopterous Insect Pests on the crops such as vegetables, cotton, paddy rice.
Background technology
Indoxacarb, english common name: indoxacarb ， Shu oxadiazine class broad spectrum pesticide, has stomach toxicity and action of contace poison.Main Function mechanism blocks the sodium-ion channel in insect nerve cell, causes target pest to coordinate poor, paralysis, finally dead.There is the features such as efficient, high selectivity, low-residual.With other insecticide without cross resistance.Effectively can prevent and treat the various pests on the crops such as grain, cotton, fruit tree, vegetables.
Cartap, english common name cartap is a kind of sandworm toxin insecticide, have strong to tag, stomach toxicity, stifling and systemic action.Knock down soon insect, the longevity of residure is long, desinsection wide spectrum, can be used for various pests and the nematodes such as control Lepidoptera, coleoptera, Semiptera, diptera.Reached for more than 20 years because up to the present this medicament has used in agricultural production, therefore, many insects are to which creating serious pesticide resistance.
The resistance problem of pest is global problems, is the emphasis problem that agricultural science and technology worker pays close attention to always.Along with the continuity year in year out of Chemical Control of Harmful Insects, the increase of Pesticide use amount and the not factor such as scientifical use agricultural chemicals, cause pest resistance day by day serious, the pest species producing resistance is on the increase.Particularly to the Lepidoptera class pest that agricultural production is caused harm serious, because its breeding cycle is short, breeding amount is large, mobility is little, selfing degree is high, resistance development speed is relatively very fast.Meanwhile, the use agricultural chemicals of high strength, result in that Practice for Pesticide Residue in Agricultural Products exceeds standard, the series of problems such as contaminated environment and the increase of peasant's drug cost, is unfavorable for the sustainable development of agricultural.Therefore, development is efficient, low toxicity, low-residual, the different mechanism of action, have again the complex preparation of synergistic function simultaneously, not only contribute to the generation delaying pest resistance to insecticide, but also the service life of pesticide species can be extended, reduce using dosage, cost-saving, reduce the pollution to environment.
The recipe determination of the present inventor to indoxacarb and cartap conducts in-depth research, find that indoxacarb and cartap carry out composite, within the scope of certain compound proportion, there is synergistic function, in actual use, outstanding control efficiency is all had to each Species of Lepidopterous Insect Pests on the crops such as vegetables, cotton, paddy rice such as diamond-back moth, cabbage caterpillar, beet armyworm, cotton bollworm, striped rice borer, paddy stem borer, rice leaf roller etc., after further study, the present invention is completed.
Summary of the invention
The object of the present invention is to provide the Pesticidal combination of a kind of indoxacarb and cartap, this complex composition has synergistic function, is applied to the control of each Species of Lepidopterous Insect Pests on the crops such as vegetables, cotton, paddy rice.
Another object of the present invention is to the Pesticidal combination of indoxacarb and cartap, in use dosage can be reduced, delay the generation of pest resistance to insecticide, it can also be made to be used alone to compare than single dose to the control efficiency of various insect and to significantly improve, laborsaving, save money, reduce pollution to environment, reduce farmer's burdens.
Technical scheme of the present invention: a kind of Pesticidal combination, with indoxacarb and cartap for active ingredient, indoxacarb and cartap weight ratio is in the composition 40
:1 ~ 1
:40, indoxacarb and cartap weight summation percentage by weight are in the composition 1% ~ 80%, and all the other are allow in agricultural chemicals to use and acceptable auxiliary element.
Composition pesticide of the present invention is prepared into any one formulation that applicable agricultural production uses by known method, reasonable formulation has suspending agent, aqueous emulsion, microemulsion, wetting powder, water dispersible granules and missible oil.
The auxiliary element used in the present composition comprises solvent, cosolvent, emulsifier, wetting agent, disintegrant, stabilizing agent, dispersant, thickener, penetrating agent, pH adjusting agent, defoamer, antifreezing agent, carrier etc., and to be of value to active ingredient stable and play the known substance of drug effect in the formulation, be all various compositions that are conventional in pesticidal preparations or permission use, concrete composition and consumption are determined by test according to recipe requirements.
The frequency of administration of the present composition and amount of application change with crops, insect, weather condition and have small variations, can by the object using suitable dosage reach effectively control.
Compared with prior art, the invention has the advantages that.
1, composite have synergistic function, is used alone the control efficiency significantly improved insect than single dose.
2, double action mechanism, can delay the generation of pest resistance to insecticide.
3, two kinds of active ingredients are composite, reduce Pesticide use amount, reduce use cost and the pollution to environment.
Embodiment
In order to understand essence of the present invention better, below in conjunction with embodiment, content of the present invention is described further, but can not limitation of the present invention be considered as.
(1) Formulation Example.
In following each embodiment, effective constituents A adopts the former medicine of 94% indoxacarb, and active ingredient B adopts the former medicine of 95% cartap, and each component percentages is weight percentage.
embodiment 1: described Pesticidal combination is suspending agent, and each component percentages is respectively:effective constituents A+B 1 ~ 80%, dispersant 5 ~ 20%, antifreezing agent 1 ~ 5%, thickener 0.1 ~ 2%, defoamer 0.1 ~ 0.5%, pH value regulator 0.1 ~ 5%, excess water.
Concrete operation step is: first mixed by other auxiliary agent, and in clipper, shear-mixed is even, then adds effective constituents A and B, grinds 2 ~ 3h, make a diameter all at below 5mm, can obtain Pesticidal combination aqueous suspension formulations of the present invention in ball crusher.
embodiment 2: described Pesticidal combination is aqueous emulsion, and each component percentages is respectively:effective constituents A+B 1 ~ 80%, emulsifier 2 ~ 30%, solvent 5 ~ 15%, stabilizing agent 2 ~ 15%, antifreezing agent 2 ~ 5%, defoamer 0.1 ~ 8%, thickener 0.1 ~ 2%, excess water.
Concrete operation step is: first effective constituents A and B, solvent, emulsifier are mixed, and dissolves and becomes uniform oil phase.Again part water and other auxiliary agents are mixed, dissolve and become uniform aqueous phase.Then oil phase is added aqueous phase while high-speed stirred in a kettle., slowly add water to and reach phase inversion point, carry out high speed shear afterwards, and add remaining water, shear about 30min, Pesticidal combination aqueous emulsion preparation of the present invention can be obtained.
embodiment 3: described Pesticidal combination is microemulsion, and each component percentages is respectively:effective constituents A+B 1 ~ 80%, emulsifier 10 ~ 30%, antifreezing agent 1 ~ 10%, stabilizing agent 0.5 ~ 10%, solvent and cosolvent 20 ~ 45%, excess water.
Concrete operation step is: effective constituents A and B solvent and cosolvent are dissolved completely, and then add other auxiliary agent, mix, finally add water, after fully stirring, can obtain Pesticidal combination microemulsion formulation of the present invention.
embodiment 4: described Pesticidal combination is wetting powder, and each component percentages is respectively:
Effective constituents A+B 1 ~ 80%, dispersant 2 ~ 10%, wetting agent 1 ~ 5%, surplus filler.
Concrete operation step is: by effective constituents A and the mixing of B, other auxiliary agent and filler, fully stir, mix, can obtain Pesticidal combination wettable powder formulation of the present invention after airslide disintegrating mill is pulverized in stirred tank.
embodiment 5: described Pesticidal combination is water dispersible granules, and each component percentages is respectively:
Effective constituents A+B 1 ~ 80%, dispersant 2 ~ 10%, wetting agent 1 ~ 10%, disintegrant 1 ~ 5%, filler surplus.
Concrete operation step is: effective constituents A and B, other auxiliary agent and filler are mixed, pulverize with micro jet, add after mediating after carrying out granulation, drying, screening in fluidized-bed granulation dryer, Pesticidal combination water-dispersible grain agent formulation of the present invention can be obtained.
embodiment 6: described Pesticidal combination is missible oil, and each component percentages is respectively:effective constituents A+B 1 ~ 80%, emulsifier 5 ~ 20%, solvent 1 ~ 5%, synergist 0.2 ~ 2%.
Concrete operation step is: fully dissolve after effective constituents A and B are added solvent, become the oily liquids of transparent and homogeneous after then adding other auxiliary agent after stirring, and can obtain Pesticidal combination cream preparation of the present invention.
In above formulation, auxiliary agent is selected from the following stated.
Solvent and cosolvent can be one or more in water, methyl alcohol, ethanol, butanols, ethylene glycol, propane diols, glycerine, polyethylene glycol, acetone, cyclohexanone, pyrrolidones, toluene, dimethylbenzene, ethyl acetate, dimethyl formamide, dimethyl sulfoxide (DMSO), machine oil, naphthalane, benzinum etc.
Emulsifier can be one or more in alkylphenol polyoxyethylene formaldehyde condensation products, alkylbenzene naphthalene sulfonate, alkylphenol polyoxyethylene phosphate, diphenyl phenol polyethenoxy polyethenoxy ether, styrenated phenol APEO, diphenyl phenol polyethenoxy polyoxy formaldehyde condensation products, agriculture breast 300#, agriculture breast 500#, agriculture breast 600#, Nongru-700 #, agriculture breast 0201B, agriculture breast 0203B, NNO, NP etc.
Wetting agent can be one or more in aerosol-OT salt, sodium butylnaphthalenesulfonate, fatty acid amide N methyl taurine sodium salt, lignosulfonates, alkylphenol polyoxyethylene phosphate, petroleum sodium sulfonate, alkylnaphthalene sulfonate, fatty acid ester sulphate, alkylphenol polyoxyethylene, fatty alcohol-polyoxyethylene ether, phosphorous acid spent pulping liquor, the withered powder of tea, spaonin powder etc.
Disintegrant can be one or more in magnesium chloride, aluminium chloride, sodium chloride, urea, ammonium sulfate, bentonite etc.
Dispersant can be one or more in sodium methylene bis-naphthalene sulfonate, sodium lignin sulfonate, fatty acid amide N methyl taurine sodium salt, alkylphenol polyoxyethylene sulphate, lignosulfite, fatty acid ester sulphate, alkylphenol polyoxyethylene, fatty alcohol-polyoxyethylene ether etc.
Thickener can be one or more in polyvinyl alcohol, polyvinyl acetate, xanthans, gelatin, gum Arabic, polyvinylpyrrolidone, aluminium-magnesium silicate, phenolic resins, CMC, sodium alginate etc.
PH adjusting agent can be one or more in potassium hydroxide, sodium hydroxide, hydrochloric acid, acetic acid, citric acid, phosphoric acid etc.
Stabilizing agent can one or more in xylitol, mannitol, pentaerythrite, sodium citrate etc.
Defoamer can be one or more in epoxidized soybean oil, methyl alcohol, silicone oil etc.
Antifreezing agent can be one or more in ethylene glycol, propane diols, urea, polyethylene glycol etc.
Carrier can be one or more in precipitated calcium carbonate, potter's clay, kaolin, diatomite, bentonite, white carbon, clay, talcum powder, quartz sand etc.
(2) the indoor biological determination of activity of the present composition and field efficacy checking.
indoxacarb and cartap are to the indoor joint toxicity measuring of diamond-back moth.
For examination worm: indoor diamond-back moth 3 instar larvae of for many generations raising health.
Reagent agent: the former medicine of 94% indoxacarb and the former medicine of 95% cartap.
Test method: adopt polypide immersion method to measure, specific as follows.
With writing brush, diamond-back moth 3 instar larvae of health is swept in leaching worm device gently, then leaching worm device is immersed in corresponding liquid, shake gently, take out after 5S, blot polypide and unnecessary liquid around with blotting paper rapidly.Finally examination worm is placed in temperature 27 ± 1 DEG C, relative moisture is in the intelligent insectary of 70%.Often 4 repetitions are established in process, often repeat 20 examination worms, if blank.After medicine, 24h checks and record dead larvae number.
Carry out statistical analysis with DPS statistical analysis software, calculate the LC of each medicament
50, and the co-toxicity coefficient (CTC value) of mixture is calculated according to the abundant method of Sun Yun.
Actual measurement toxicity index (ATI)=(standard agent LC
50/ reagent agent LC
50) × 100.
In theoretical toxicity index (TTI)=A medicament toxicity index × mixture A percentage composition+B medicament toxicity index × mixture in the percentage composition of B.
Co-toxicity coefficient (CTC)=[the theoretical toxicity index (TTI) of mixture actual measurement toxicity index (ATI)/mixture] × 100.
According to the NY/T11547.7-2006 insecticide combination effect criteria for classifying: co-toxicity coefficient (CTC) >=120 shows as synergistic effect; Co-toxicity coefficient (CTC)≤80 shows as antagonism; 80 < co-toxicity coefficient (CTC) < 120 show as summation action.
table 1, indoxacarb and cartap are to the indoor joint toxicity measuring of diamond-back moth.
As can be seen from Table 1, indoxacarb and cartap are 40
:1 ~ 1
:40(is by weight) scope in composite time, co-toxicity coefficient (CTC) is all greater than 120, shows synergistic function, especially 1 to diamond-back moth
:1 ~ 1
:10(is by quality) scope in, synergistic function is more obvious, co-toxicity coefficient (CTC) all more than 200, visible indoxacarb and cartap is composite has reasonability and feasibility.
indoxacarb and cartap are to the indoor joint toxicity measuring of rice leaf roller.
For examination worm: indoor rice leaf roller 3 instar larvae of for many generations raising health.
Reagent agent: the former medicine of 94% indoxacarb and the former medicine of 95% cartap.
Test method: adopt polypide immersion method to measure, specific as follows.
With writing brush, rice leaf roller 3 instar larvae of health is swept in leaching worm device gently, then leaching worm device is immersed in corresponding liquid, shake gently, take out after 5S, blot polypide and unnecessary liquid around with blotting paper rapidly.Finally examination worm is placed in temperature 27 ± 1 DEG C, relative moisture is in the intelligent insectary of 70%.Often 4 repetitions are established in process, often repeat 20 examination worms, if blank.After medicine, 24h checks and record dead larvae number.
Carry out statistical analysis with DPS statistical analysis software, calculate the LC of each medicament
50, and the co-toxicity coefficient (CTC value) of mixture is calculated according to the abundant method of Sun Yun.
Actual measurement toxicity index (ATI)=(standard agent LC
50/ reagent agent LC
50) × 100.
In theoretical toxicity index (TTI)=A medicament toxicity index × mixture A percentage composition+B medicament toxicity index × mixture in the percentage composition of B.
Co-toxicity coefficient (CTC)=[the theoretical toxicity index (TTI) of mixture actual measurement toxicity index (ATI)/mixture] × 100.
According to the NY/T11547.7-2006 insecticide combination effect criteria for classifying: co-toxicity coefficient (CTC) >=120 shows as synergistic effect; Co-toxicity coefficient (CTC)≤80 shows as antagonism; 80 < co-toxicity coefficient (CTC) < 120 show as summation action.
table 2, indoxacarb and cartap are to the indoor joint toxicity measuring of rice leaf roller.
As can be seen from Table 2, indoxacarb and cartap are 40
:1 ~ 1
:40(is by weight) scope in composite time, co-toxicity coefficient (CTC) is all greater than 120, shows synergistic function, especially 10 to rice leaf roller
:1 ~ 1
:20(is by quality) scope in, synergistic function is more obvious, co-toxicity coefficient (CTC) all more than 200, visible indoxacarb and cartap is composite has reasonability and feasibility.
indoxacarb and the composite field control effectiveness test to diamond-back moth of cartap.
This embodiment, for preventing and treating wild cabbage diamond-back moth, investigates insect population radix before dispenser, and after medicine, 7d, 14d, 21d investigate residual borer population of living respectively, investigation Shi Mei community is undertaken by diagonal 5 point sampling, often residual diamondback moth larvae looked on 2 strain wild cabbages, records borer population of living, and calculates control efficiency.Control efficiency computational methods are as follows: control efficiency (%)=(1-CK
1× Pt
1/ CK
2× Pt
2) × 100.Wherein: CK
1represent insect population number before the medicine of check plot, Pt
1represent insect population number after treatment region medicine, CK
2represent insect population number after the medicine of check plot, Pt
2represent insect population number before treatment region medicine.
the result of the test of table 3, each process chemical control wild cabbage diamond-back moth.
All be better than each single dose to the preventive effect of wild cabbage diamond-back moth after the different usage amount 7d of 5% indoxacarb+35% cartap, 14d, 21d to be as can be seen from Table 3 used alone, after medicine, 21d preventive effect all still reaches more than 80% simultaneously, illustrate that this compound drug has good lasting effect, in pilot survey process, do not find that this compound drug produces poisoning to wild cabbage.
, indoxacarb and the composite field control effectiveness test to rice leaf roller of cartap.
This embodiment, for preventing and treating paddy rice rice leaf roller, investigates insect population radix before dispenser, and after medicine, 7d, 14d, 21d investigate residual borer population of living respectively, investigation Shi Mei community adopts parallel great-jump-forward random sampling 15 point, 2 clumps often, totally 30 clumps of paddy rice, clap method record borer population alive with basin, calculate control efficiency.Control efficiency computational methods are as follows: control efficiency (%)=(1-CK
1× Pt
1/ CK
2× Pt
2) × 100.
Wherein: CK
1represent insect population number before the medicine of check plot, Pt
1represent insect population number after treatment region medicine, CK
2represent insect population number after the medicine of check plot, Pt
2represent insect population number before treatment region medicine.
the result of the test of table 4, each process chemical control paddy rice rice leaf roller.
All be better than each single dose to the preventive effect of paddy rice rice leaf roller after the different usage amount 7d of 5% indoxacarb+35% cartap, 14d, 21d to be as can be seen from Table 4 used alone, after medicine, the preventive effect of 21d all still reaches more than 80% simultaneously, illustrate that this compound drug has good lasting effect, in pilot survey process, do not find that this compound drug produces poisoning to paddy rice.
In sum, the present invention adopts two kinds of active components to be the complex composition of indoxacarb and cartap, has synergistic function.Compared with existing unitary agent, insecticidal effect significantly improves, and the lasting period is long, to crop safety, can slow down the generation of pest resistance to insecticide, is worth applying in agricultural production.
Claims (2)
1. a Pesticidal combination for indoxacarb and cartap, is characterized in that active ingredient is indoxacarb and cartap; Indoxacarb and cartap weight ratio is in the composition 1
:10.
2. the application in each Species of Lepidopterous Insect Pests of the Pesticidal combination of a kind of indoxacarb according to claim 1 and cartap on control vegetables, cotton, paddy rice crops.
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| US8404260B2 (en) * | 2008-04-02 | 2013-03-26 | Bayer Cropscience Lp | Synergistic pesticide compositions |
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