CN103053573B - Pesticide composition of metaflumizone and chromafenozide - Google Patents
Pesticide composition of metaflumizone and chromafenozide Download PDFInfo
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- CN103053573B CN103053573B CN201210588151.4A CN201210588151A CN103053573B CN 103053573 B CN103053573 B CN 103053573B CN 201210588151 A CN201210588151 A CN 201210588151A CN 103053573 B CN103053573 B CN 103053573B
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Abstract
The invention relates to a pesticide composition of metaflumizone and chromafenozide. The effective components of the pesticide composition are metaflumizone and chromafenozide, and the weight ratio of metaflumizone to chromafenozide is (30 to 1) to (1 to 20). A large amount of indoor and outdoor tests show that the pesticide composition after metaflumizone and chromafenozide are compounded has a synergistic effect and a good effect for preventing and controlling various lepidoptera pests on fruit trees, vegetables, cotton and paddy rice.
Description
Technical field
The present invention relates to agricultural insecticide composition and application thereof, specifically with metaflumizone and ring worm hydrazides for the composite binary complex of active ingredient, be mainly used in the control of each Species of Lepidopterous Insect Pests on fruit tree, vegetables, cotton, paddy rice.
Background technology
Metaflumizone (metaflumizone): belong to semicarbazones insecticides, Main Function mechanism is that it is attached on the acceptor of sodium-ion channel, hinders sodium ion to pass through, and then suppress nerve impulse polypide excessively to be loosened, benumbs, after several hours, insect stops taking food, dead in 1 to 3 days.This medicament mainly kills off the insect pests with stomach poison function, and action of contace poison is less, without systemic action.It can prevent and treat larva, the adult of each Species of Lepidopterous Insect Pests and some coleoptera effectively, can also be used for preventing and treating the insects such as ant, termite, fly class, cicada dung beetle.To mammal impassivity toxicity, low to the acute toxicity of birds, to the low danger of honeybee, owing to can promptly be hydrolyzed and photodissociation in water, aquatile is endangered without reality.
Ring worm hydrazides (chromafenozide): be a kind of bishydrazide insecticide, it suppressed insect feed to cause insect to cast off a skin in advance simultaneously and causes death after insect picked-up in several hours.Mainly be applicable to prevent and treat the lepidoptera pest larva on the crops such as vegetables, tea tree, fruit tree, ornamental plants and paddy rice.This medicament is not only to mammal, birds, aquatile low toxicity, and on arthropods class, predatism acarian, spider, Semiptera, coleoptera (beetle), parasite and environment all without impact, therefore, this medicament is medicament ideal in pest integrative control.
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 metaflumizone and ring worm hydrazides conducts in-depth research, find that metaflumizone and ring worm hydrazides carry out composite, within the scope of certain compound proportion, there is synergistic function, in actual use, outstanding control efficiency is had to each Species of Lepidopterous Insect Pests on fruit tree, vegetables, cotton, paddy rice, 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 metaflumizone and ring worm hydrazides, this complex composition has synergistic function, is applied to the control of each Species of Lepidopterous Insect Pests on fruit tree, vegetables, cotton, paddy rice.
Another object of the present invention is to the Pesticidal combination of metaflumizone and ring worm hydrazides, 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: with metaflumizone and ring worm hydrazides for active ingredient, metaflumizone and ring worm hydrazides weight ratio are in the composition 30
:1 ~ 1
:20, metaflumizone and ring worm hydrazides weight summation percentage by weight are in the composition 5% ~ 80%, and all the other are allow in agricultural chemicals to use and acceptable auxiliary element.
Composition pesticide of the present invention can be prepared into any one formulation that applicable agricultural production uses by known method, reasonable formulation has suspending agent, aqueous emulsion, microemulsion, missible oil, wetting powder and water dispersible granules.
The auxiliary element used in the present composition comprises solvent, cosolvent, emulsifier, wetting agent, disintegrant, stabilizing agent, dispersant, thickener, penetrating agent, pH adjusting agent, synergist, 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, metaflumizone and ring worm hydrazides composite after there is synergistic function, be used alone the control efficiency significantly improved insect than each single dose;
2, the mechanism of action of metaflumizone and ring worm hydrazides is different, can delay the generation of pest resistance to insecticide;
3, metaflumizone and ring worm hydrazides composite, decrease the usage amount of active ingredient, reduce use cost, decrease the pollution to environment simultaneously.
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 96% metaflumizone, and active ingredient B adopts the former medicine of 90% ring worm hydrazides, and each component percentages is weight percentage.
embodiment 1: described Pesticidal combination is suspending agent, and each component percentages is respectively:active ingredient (A+B) 5 ~ 80%, dispersant 5 ~ 20%, antifreezing agent 1 ~ 5%, thickener 0.1 ~ 2%, defoamer 0.1 ~ 1%, pH value regulator 0.1 ~ 5%, excess water.
Concrete operation step is: first mixed by other auxiliary agent, in clipper, shear-mixed is even, then adds effective constituents A and active ingredient B, in ball crusher, grind 2 ~ 3h, make a diameter all at below 5mm, Pesticidal combination aqueous suspension formulations of the present invention can be obtained.
embodiment 2: described Pesticidal combination is aqueous emulsion, and each component percentages is respectively:active ingredient (A+B) 5 ~ 80%, emulsifier 5 ~ 30%, solvent 5 ~ 15%, stabilizing agent 3 ~ 15%, antifreezing agent 2 ~ 5%, defoamer 0.2 ~ 8%, thickener 0.2 ~ 2%, excess water.
Concrete operation step is: first effective constituents A and active ingredient 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:active ingredient (A+B) 5 ~ 80%, emulsifier 10 ~ 30%, antifreezing agent 2 ~ 10%, stabilizing agent 1 ~ 10%, solvent and cosolvent 25 ~ 50%, excess water.
Concrete operation step is: effective constituents A and active ingredient 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:
Active ingredient (A+B) 5 ~ 80%, dispersant 3 ~ 10%, wetting agent 2 ~ 5%, surplus filler.
Concrete operation step is: by effective constituents A and the mixing of active ingredient 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:
Active ingredient (A+B) 5 ~ 80%, dispersant 3 ~ 10%, wetting agent 2 ~ 10%, disintegrant 1 ~ 5%, surplus filler.
Concrete operation step is: effective constituents A and active ingredient 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:active ingredient (A+B) 5 ~ 80%, emulsifier 10 ~ 30%, solvent 15 ~ 50%, synergist 1 ~ 5%.
Concrete operation step is: fully dissolve after effective constituents A and active ingredient 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, DMF, methyl alcohol, ethanol, ethylene glycol, propane diols, acetone, cyclohexanone, pyrrolidones, toluene, dimethylbenzene, ethyl acetate, dimethyl formamide, vegetable oil, benzinum etc.
Emulsifier can be one or more in tri ethanol ammonium salt, 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 #, TWEEN Series, AEO series etc.
Wetting agent can be one or more in sodium sulphate, sldium lauryl sulfate, 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, spaonin powder, the withered powder of tea etc.
Disintegrant can be one or more in sodium bicarbonate, magnesium chloride, aluminium chloride, sodium chloride, urea, ammonium sulfate, bentonite etc.
Dispersant can be one or more in methylcellulose, polycarboxylate, 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, aluminium-magnesium silicate, phenolic resins, CMC, sodium alginate, gypsum etc.
PH adjusting agent can be one or more in ammonium hydroxide, potassium hydroxide, sodium hydroxide, hydrochloric acid, acetic acid, citric acid, phosphoric acid etc.
Synergist can be organosilicon, thiophene ketone, azone, double to kill etc. in one or more.
Stabilizing agent can one or more in triethanolamine, tributyl phosphate, xylitol, mannitol, pentaerythrite, sodium citrate etc.
Defoamer can be one or more in silicone compound, epoxidized soybean oil, methyl alcohol, silicone oil etc.
Antifreezing agent can be one or more in ethylene glycol, propane diols, sorbierite, polyethylene glycol etc.
Carrier can be one or more in 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.
metaflumizone and ring worm hydrazides 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 96% metaflumizone and the former medicine of 90% ring worm hydrazides.
Test method: adopt the malicious blade method of folder to measure, specific as follows.
First beat with the card punch of diameter 1cm and get leaf butterfly, put into culture dish, moisturizing.Then with capillary dropper by each treatment agent from low concentration, every leaf butterfly drop 1ul liquid, after solvent volatilization and another sheet scribble that the leaf butterfly of gelatinized corn starch is involutory makes the malicious leaf butterfly of folder, make in the complete hole being put in 12 hole tissue culturing plates.Connect 1 examination worm in each hole of last tissue culturing plate, be placed in temperature 27 ± 1 DEG C, relative moisture is in the intelligent insectary of 70%.Connect worm after 2 ~ 4 hours, after examination worm has taken food pastille leaf butterfly, in cultivation plate hole, added clean feeds continue to raise to investigation, eliminate the examination worm not eaten a complete leaf butterfly.Often 4 repetition are established in process, often repeat to be no less than 12 malicious leaf butterflies of folder, and the process of establishing the corresponding organic solvent not containing medicament in contrast.After process, 72h investigation examination worm death condition, records total borer population and dead borer population.
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, metaflumizone and ring worm hydrazides are to the indoor joint toxicity measuring of diamond-back moth.
As can be seen from Table 1, metaflumizone and ring worm hydrazides are 30
:1 ~ 1
:20(is by weight) scope in composite time, co-toxicity coefficient (CTC) is all greater than 120, shows synergistic function, especially 10 to diamond-back moth
:1 ~ 1
:1(is by quality) scope in, synergistic function is more obvious, co-toxicity coefficient (CTC) all more than 150, visible metaflumizone and ring worm hydrazides is composite has reasonability and feasibility.
metaflumizone and ring worm hydrazides 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 96% metaflumizone and the former medicine of 90% ring worm hydrazides.
Test method: adopt rice-stem dipping method to measure, specific as follows.
First choose the rice strain in healthy and strong consistent booting mid-term, clean, be cut into company's root rice stem that 15cm is long, dry in the cool.Then the liquid rice stem dried being placed in respectively variable concentrations soaks 30s, dry after taking-up, root is encased with the rayon balls that clear water soaks, put into test tube (18cm × 1.8cm), afterwards indoor are for many generations raised in healthy rice leaf roller 3 instar larvae access test tube, often pipe connects 20, if 4 times are repeated and clear water control treatment.Finally be placed in temperature 27 ± 1 DEG C by connecing the test tube after worm, relative moisture is in the intelligent insectary of 70%, and after medicine, 72h 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, metaflumizone and ring worm hydrazides are to the indoor joint toxicity measuring of rice leaf roller
As can be seen from Table 2, metaflumizone and ring worm hydrazides are 30
:1 ~ 1
:20(is by weight) scope in composite time, co-toxicity coefficient (CTC) is all greater than 120, shows synergistic function, especially 20 to rice leaf roller
:1 ~ 1
:1(is by quality) scope in, synergistic function is more obvious, co-toxicity coefficient (CTC) all more than 150, visible metaflumizone and ring worm hydrazides is composite has reasonability and feasibility.
metaflumizone and the composite field control effectiveness test to diamond-back moth of ring worm hydrazides.
This embodiment, for preventing and treating wild cabbage diamond-back moth, investigates insect population radix before dispenser, and after medicine, 3d, 7d, 10d 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.
As can be seen from Table 3,16% metaflumizone+2% ring worm hydrazides obviously promotes along with the increase control efficiency of usage amount; 16% metaflumizone+2% ring worm hydrazides is when preparation mu consumption is respectively 60g, 70g, after medicine, 3d, 7d, 10d are all better than each single dose to the preventive effect of wild cabbage diamond-back moth and are used alone, after medicine, 10d preventive effect all still reaches more than 85% 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.
metaflumizone and the composite field control effectiveness test to rice leaf roller of ring worm hydrazides.
This embodiment, for preventing and treating paddy rice rice leaf roller, investigates insect population radix before dispenser, and after medicine, 3d, 7d, 10d 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.
As can be seen from Table 4,16% metaflumizone+2% ring worm hydrazides obviously promotes along with the increase control efficiency of usage amount; 16% metaflumizone+2% ring worm hydrazides is when preparation mu consumption is respectively 60g, 70g, after medicine, 3d, 7d, 10d are all better than each single dose to the preventive effect of paddy rice rice leaf roller and are used alone, after medicine, 10d preventive effect all still reaches more than 85% 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 respectively the complex composition of metaflumizone and ring worm hydrazides, has synergistic function.Compared with existing unitary agent, insecticidal effect significantly improves, and the lasting period is longer, to crop safety, is worth applying in agricultural production.
Claims (3)
1. a Pesticidal combination for metaflumizone and ring worm hydrazides, is characterized in that: active ingredient is metaflumizone and ring worm hydrazides; Metaflumizone and ring worm hydrazides weight ratio are in the composition 30
:1; Metaflumizone and ring worm hydrazides gross weight percentage composition are in the composition 5%.
2. the Pesticidal combination of a kind of metaflumizone according to claim 1 and ring worm hydrazides, is characterized in that: the formulation of described Pesticidal combination is suspending agent, aqueous emulsion, microemulsion, missible oil, wetting powder or water dispersible granules.
3. the application in each Species of Lepidopterous Insect Pests of the Pesticidal combination of a kind of metaflumizone according to claim 1 and ring worm hydrazides on control fruit tree, vegetables, cotton, paddy rice.
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| EP0496342A1 (en) * | 1991-01-25 | 1992-07-29 | Nippon Kayaku Kabushiki Kaisha | New hydrazine derivative and pesticidal composition comprising said derivative as an effective ingredient |
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| CN103371157A (en) * | 2012-04-17 | 2013-10-30 | 陕西韦尔奇作物保护有限公司 | Insecticidal composition containing fluorine louse sulfanilamide |
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Effective date of registration: 20191216 Address after: 314416 No.318, Nanjie Road, Yuanhua Town, Haining City, Jiaxing City, Zhejiang Province Patentee after: Haining Yuanhua Town Industrial Investment Co., Ltd Address before: 516000 Guangdong province Huizhou Zhongkai hi tech Development Zone No. 24 District Patentee before: Guangdong Zhongxun Agricultural Technology Co., Ltd. |