CN101810189B - Pesticide composite of imidacloprid and acetamiprid water dispersible granules - Google Patents
Pesticide composite of imidacloprid and acetamiprid water dispersible granules Download PDFInfo
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- CN101810189B CN101810189B CN 201010162605 CN201010162605A CN101810189B CN 101810189 B CN101810189 B CN 101810189B CN 201010162605 CN201010162605 CN 201010162605 CN 201010162605 A CN201010162605 A CN 201010162605A CN 101810189 B CN101810189 B CN 101810189B
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- imidacloprid
- acetamiprid
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- dispersible granules
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Abstract
The invention discloses a pesticide composite of imidacloprid and acetamiprid water dispersible granules, which is characterized in that the composite contains two effective ingredients of imidacloprid and acetamiprid, the total contents of the effective ingredients of the imidacloprid and the acetamiprid respectively account for 15-45% and 10-30% by weight, the optimum weight ratio of the two effective ingredients of the imidacloprid and the acetamiprid is 3/2, the dosage form of the pesticide composite is water dispersible granules, and the pesticide composite is applied for mango tree thrip pest control. The pesticide composite of the invention has obvious effect on mango tree thrip pest control, reduces the drug resistance of thrip pests.
Description
Technical field
The present invention relates to pesticide field, especially relate to the composition pesticide of a kind of Imidacloprid and acetamiprid water dispersible granules, be mainly used in the pest control of crops, particularly to the control of mango thrips insect pest.
Background technology
Being mixed of China's insecticide mainly concentrates on being mixed between pyrethroid and organic phosphates, organic phosphor and carbamates and the organic phosphates.Single agent kind that Pesticidal mixture made relates to reaches more than 90 kinds, and wherein organic phosphor accounts for major part, is pyrethroid and carbamates secondly, and being mixed of insecticide also occupies suitable ratio.This shows that the development of China's complex preparation is very rapid.Composite dose of form accounts for 76.7% mainly based on the binary built agent; The ternary built agent is less, accounts for 23.3%.Studies show that, by rational agriculture chemical compounding, can reduce each single agent to the selection pressure of insect colony, reduce resistance and produce speed, for the colony that produces resistance (it is following to refer generally to medium resistance level), can recover to carry " heterozygote individuality " and the ratio of sensitive individual of resistant gene and sensitive gene, reduce the proportion of resistance individuality in colony, thereby reduce the pesticide resistance degree.Combined use of pesticides can bring many benefits, but is not that any two kinds of agricultural chemicals can be used with, more can not be at will just can be processed into composite dose with two kinds of agricultural chemicals are blended together.Can use just physics, chemistry and the bioactive variation behind the needs further investigation combined use of pesticides with in order to understand which agricultural chemicals.After using with between single agent, usually can produce some chemistry or physical change, may cause bioactive change, these bioactive changes may cause the increase of virulence or reduce.
Imidacloprid is a kind of new and effective chloro nicotinoids wide spectrum systemic insecticide, because it has efficiently, the lasting period is long, effective, the safe characteristics of antagonism insect, therefore become one of insecticide with fastest developing speed, present domestic Imidacloprid is widely used in the control of insect of crops such as paddy rice, wheat, mango, corn, soybean, potato, beet, cotton and citrus.
Acetamiprid have tag, insecticidal actions such as stomach toxicity, infiltration and interior suction, insecticidal mechanism mainly is, acts on the nAChR of insect nervous system postsynaptic membrane, and nerve on every side, makes that insect keeps excited, paralysis is then dead.Its to little reticulitermes flavipe tag and repellent activity studies show that: though Acetamiprid is very fast to little reticulitermes flavipe action of contace poison, its lethal effect is slower, and the poisoning termite needs the long period just can be dead usually; Under 0.32mg/L concentration, Acetamiprid is to the good repellent effect of little reticulitermes flavipe tool.By Acetamiprid and Imidacloprid the aphid systemic action is tested, mode of action test to the snout moth's larva of rice is relatively found, the interior absorption of Acetamiprid on crop is very strong, leaf surface treatment is all better than other similar pharmacy effects, but its soil treatment effect is relatively poor, therefore it can better be brought into play the integrated control ability that drug effect improves agricultural chemicals with Imidacloprid is composite.Because these two kinds of agricultural chemicals belong to nicotine compound, at present, nicotine compound is fastest-rising part in the insecticide, is extensive use of at many objects systems of doing of overwhelming majority of countries.Because this insecticides low toxicity, target uniqueness, application method are various, make them become important insecticide in the insect comprehensive regulation strategy.
The modal insect pest of mango is the thrips worm, and is though Imidacloprid, the agent of two kinds of agricultural chemicals lists of Acetamiprid have certain control efficiency to the disease control of most of crops, no exception to the mango disease.But, Imidacloprid or the agent of Acetamiprid list are long-time use after, cause that easily the insect of plant, crops develops immunity to drugs, particularly the insect pest of mango thrips is developed immunity to drugs particularly outstandingly, causes the pest control decrease in efficiency of single agent, increases the medicine cost.
Summary of the invention
For these reasons, the invention provides the composition pesticide of a kind of Imidacloprid and acetamiprid water dispersible granules.
The objective of the invention is to utilize two kinds of active ingredients of Imidacloprid and Acetamiprid, add that auxiliary agent is mixed into composition pesticide by a certain percentage, the pest control of mango thrips is had remarkable result, solve the pesticide resistance problem in the pest control of mango thrips well.
Another object of the present invention is the formulation by the formulated water dispersible granules of this composition pesticide.
Technical scheme of the present invention provides the composition pesticide of a kind of Imidacloprid and acetamiprid water dispersible granules, said composition comprises Imidacloprid and two kinds of active ingredients of Acetamiprid, the total amount of described active ingredient Imidacloprid is 15～45% by weight, and the total amount of Acetamiprid is 10～30% by weight;
Described active ingredient Imidacloprid and the preferred weight ratio of Acetamiprid are 3: 2;
Preferably, the formulation of this composition pesticide is water dispersible granules;
Preferably, this composition pesticide is applied to the pest control of mango thrips.
Beneficial effect of the present invention: the pesticide water dispersible granule composition according to technical solution of the present invention is mixed, the pest control of mango thrips is had remarkable result, reduce the pesticide resistance of thrips worm.
Embodiment
Preparing the used auxiliary agent of composition pesticide of the present invention is conventionally known to one of skill in the art.
Wetting agent has sodium lignin sulfonate, lauryl sodium sulfate, 1,2-di-n-butyl naphthalene-6-sodium sulfonate, optional one or more, consumption accounts for 1～5% by weight percentage.
Dispersant has anion surfactant, as alkylbenzenesulfonate, alkylbenzenesulfonate formaldehyde condensation products (EEF), lignosulfonates; Non-ionic surface active agent, as aryl phenol APEO, dodecyl polyoxyethylene ether phosphate or sulfuric ester, optional one or more, consumption accounts for 2～8% by weight percentage.
Disintegrant has multiple inorganic electrolyte, as calcium chloride, anhydrous sodium sulfate, sodium chloride, white carbon, also have sodium carboxymethylcellulose, soluble starch, bentonite, polyethyl acrylate, urea, optional one or more, consumption accounts for 1～65% by weight percentage.
Binding agent has gelatin, polyvinyl alcohol, polyvinylpyrrolidone, polyethylene glycol, dextrin, sucrose, optional one or more, consumption accounts for 1～5% by weight percentage.
Stabilizing agent has sodium hydrogen phosphate, succinic acid, oxalic acid, borax, is used for regulating the pH value, guarantees active ingredient in the stability of storage period, optional one or more, consumption accounts for 0.01～0.03% by weight percentage.
The invention will be further described below in conjunction with preferred embodiment, but the present invention is not limited only to following embodiment, and each component content all by weight percentage in following examples.
FORMULATION EXAMPLE 1: each composition weight proportion of water dispersible granules
Mix according to aforementioned proportion, pulverize through airslide disintegrating mill, add the aqueous solution that contains binding agent, kneader stirs and is kneaded into plastic shape, extruder grain 40 ℃ baking oven inner drying 2～4 hours, uses 10 and 50 mesh sieves to sieve shaping then, the detection water content is qualified, obtains product.
FORMULATION EXAMPLE 2: each composition weight proportion of water dispersible granules
The preparation method is with embodiment 1.
FORMULATION EXAMPLE 3: each composition weight proportion of water dispersible granules
Compound method is with embodiment 1.
Biological test embodiment 1: the composition pesticide of a kind of Imidacloprid and acetamiprid water dispersible granules is to the mensuration of the co-toxicity coefficient of mango thrips, and result of the test sees Table 1.According to the co-toxicity coefficient of using with (CTC value) of the abundant method calculating of Sun Yun medicament, the CTC value is synergistic effect greater than 100, equal 100 and be addition, and be antagonism less than 100.
The composition pesticide of table 1 Imidacloprid and acetamiprid water dispersible granules is to the co-toxicity of mango thrips
As can be seen from Table 1, Imidacloprid and Acetamiprid are respectively Y=5.1648+1.3546x to the control virulence regression equation of mango thrips, Y=4.2617+1.7038x, LC
50Be respectively 1.03mg/L and 1.35mg/L, both have good control efficiency.With Imidacloprid: Acetamiprid is after the two mixed by weight 3: 2, and virulence regression equation is Y=5.4873+1.5627x, LC
50Be 1.11mg/L, co-toxicity coefficient reaches 165 greater than 100.The result shows that composition pesticide of the present invention is good to mango thrips pest control effect, and harmless to mango.
Biological test embodiment 2: Imidacloprid of the present invention and acetamiprid water dispersible granules composition pesticide are measured the control efficiency of mango thrips insect pest.
Experiment examination material: mango; Infect: the thrips worm
Experimental technique: adopt Imidacloprid of the present invention and acetamiprid water dispersible granules composition pesticide to spray the mango blade face of being caused harm by thrips through the crop spraying machine, observe behind the medicine comparison with the preceding insect pest situation index of medicine in 1 day, 10 days, 20 days, 30 days, result of the test sees Table 2.
Table 2 Imidacloprid of the present invention and acetamiprid water dispersible granules composition pesticide are to the control efficiency of mango thrips
Annotate: the insect pest situation index is more big, and gradient of infection is more heavy
As can be seen from Table 2, Imidacloprid of the present invention and acetamiprid water dispersible granules are respond well to the pest control of mango thrips, reached the preventive effect more than 90% behind the medicine in 10 days, reached higher control efficiency behind the medicine in 20 days, reach the prevention and control effect more than 94%, well solved the pesticide resistance problem to the pest control of mango thrips.
Above embodiment specifies content of the present invention, but the present invention is not limited to above embodiment.The equivalent variations of doing according to claim of the present invention, as according in the active ingredient percent by weight scope of the present invention, the composition pesticide of forming with Imidacloprid and 3: 2 ratio of Acetamiprid all belongs to the scope that the present invention is contained.
Claims (4)
1. the water dispersion granule of an Imidacloprid and Acetamiprid, it is characterized in that being made by following materials by weight percentage: 15% Imidacloprid, 10% Acetamiprid, 5% alkylbenzenesulfonate formaldehyde condensation products, 2% lauryl sodium sulfate, 2% aryl phenol APEO, 1.5% sucrose, 3% dextrin, 0.02% oxalic acid, 10% white carbon, 4% urea, surplus is soluble starch; According to the above ratio raw material is mixed, pulverize through airslide disintegrating mill, add the aqueous solution that contains binding agent, kneader stirs and is kneaded into plastic shape, extruder grain 40 ℃ baking oven inner drying 2～4 hours, uses 10 and 50 mesh sieves to sieve shaping then, the detection water content is qualified, namely gets product.
2. the water dispersion granule of an Imidacloprid and Acetamiprid, it is characterized in that being made by following materials by weight percentage: 30% Imidacloprid, 20% Acetamiprid, 6% alkylbenzenesulfonate formaldehyde condensation products, 2% lauryl sodium sulfate, 2% aryl phenol APEO, 1.5% sucrose, 3% dextrin, 0.02% oxalic acid, 15% white carbon, 4% urea, surplus is soluble starch; According to the above ratio raw material is mixed, pulverize through airslide disintegrating mill, add the aqueous solution that contains binding agent, kneader stirs and is kneaded into plastic shape, extruder grain 40 ℃ baking oven inner drying 2～4 hours, uses 10 and 50 mesh sieves to sieve shaping then, the detection water content is qualified, namely gets product.
3. the water dispersion granule of an Imidacloprid and Acetamiprid, it is characterized in that being made by following materials by weight percentage: 45% Imidacloprid, 30% Acetamiprid, 1.5% sucrose, 3% dextrin, 0.02% oxalic acid, 25% white carbon, 4% urea, surplus is soluble starch; According to the above ratio raw material is mixed, pulverize through airslide disintegrating mill, add the aqueous solution that contains binding agent, kneader stirs and is kneaded into plastic shape, extruder grain 40 ℃ baking oven inner drying 2～4 hours, uses 10 and 50 mesh sieves to sieve shaping then, the detection water content is qualified, namely gets product.
4. any described water dispersible granular of claim 1-3 is applied to the control of mango thrips insect pest.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010162605 CN101810189B (en) | 2010-04-01 | 2010-04-01 | Pesticide composite of imidacloprid and acetamiprid water dispersible granules |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010162605 CN101810189B (en) | 2010-04-01 | 2010-04-01 | Pesticide composite of imidacloprid and acetamiprid water dispersible granules |
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| CN101810189A CN101810189A (en) | 2010-08-25 |
| CN101810189B true CN101810189B (en) | 2013-10-09 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102362589A (en) * | 2011-11-22 | 2012-02-29 | 福建农林大学 | Imidacloprid water dispersible granules and preparation method thereof |
| CN105360157A (en) * | 2015-11-06 | 2016-03-02 | 南宁邃丛赋语科技开发有限责任公司 | Pesticide particulate agent containing acetamiprid and deltamethrin |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1729777A (en) * | 2005-08-11 | 2006-02-08 | 西北农林科技大学无公害农药研究服务中心 | Imidacloprid-containing liquid formulation for trunk injection of trees |
| CN1867255A (en) * | 2003-10-13 | 2006-11-22 | 拜尔农作物科学股份公司 | Synergistic insecticide mixtures |
| CN101304659A (en) * | 2005-11-10 | 2008-11-12 | 拜尔农作物科学股份公司 | Synergistic insecticidal mixtures for seed treatment |
| CN101524083A (en) * | 2009-04-27 | 2009-09-09 | 江苏辉丰农化股份有限公司 | Insecticidal composition containing nitenpyram and imidacloprid |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1867255A (en) * | 2003-10-13 | 2006-11-22 | 拜尔农作物科学股份公司 | Synergistic insecticide mixtures |
| CN1729777A (en) * | 2005-08-11 | 2006-02-08 | 西北农林科技大学无公害农药研究服务中心 | Imidacloprid-containing liquid formulation for trunk injection of trees |
| CN101304659A (en) * | 2005-11-10 | 2008-11-12 | 拜尔农作物科学股份公司 | Synergistic insecticidal mixtures for seed treatment |
| CN101524083A (en) * | 2009-04-27 | 2009-09-09 | 江苏辉丰农化股份有限公司 | Insecticidal composition containing nitenpyram and imidacloprid |
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