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Preparation method of mixed insecticide composed of avermectin, nitenpyram, and indoxacarb

A kind of technology of nitenpyram and abamectin, applied in the field of abamectin, nitenpyram and indoxacarb mixed pesticide and preparation

Inactive Publication Date: 2015-12-09
HUAZHONG AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Insects at risk of developing high levels of resistance to indoxacarb, according to resistance mechanisms in diamondback moth, Spodoptera litura and housefly

Method used

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  • Preparation method of mixed insecticide composed of avermectin, nitenpyram, and indoxacarb
  • Preparation method of mixed insecticide composed of avermectin, nitenpyram, and indoxacarb
  • Preparation method of mixed insecticide composed of avermectin, nitenpyram, and indoxacarb

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0057] Example 1 (18:1:250)

[0058] A preparation method of a mixed insecticide wettable powder of abamectin, nitenpyram and indoxacarb, which is made of the raw materials of the following mass fractions:

[0059]

[0060] The mixed insecticide of above-mentioned abamectin, nitenpyram and indoxacarb is a wettable powder, and its preparation steps are:

[0061] A: According to the design formula, configure 1 kg of wettable powder of mixed insecticides of abamectin, nitenpyram and indoxacarb, and weigh abamectin original drug (20.1g) and indoxacarb original drug respectively (278.8g), nitenpyram technical material (1.1g), wetting agent (GY-W04 and sodium dodecyl sulfate (1:4)) (20g), dispersant (WY-W04 and lignin Sodium sulfonate (2:5)) (100g), defoamer SAG-63 (5g), penetrant JFC (50g) and anti-caking agent fatty acid polyoxyalkylene ester (100g), white carbon black and diatoms Soil (1:1) (380g).

[0062] B: Grind and mix the sample evenly, pulverize it on a high-speed pu...

Embodiment 2

[0067] Example 2 (8:1:100)

[0068] A kind of preparation method of the mixed insecticide water dispersible granule of abamectin, nitenpyram and indoxacarb, it is made of the raw material of following mass fraction:

[0069]

[0070]

[0071] The mixed insecticide water dispersible granule of above-mentioned abamectin, indoxacarb and nitenpyram, its preparation steps are:

[0072] A. The original drug of abamectin, the original drug of indoxacarb, the original drug of nitenpyram, the dispersant (sodium lauryl sulfate, MorwetEFW), the wetting agent (MorwetD-425, naphthalenesulfonate formaldehyde, etc.) material), filler (diatomaceous earth), disintegrant (hydroxymethylcellulose sodium (CMC-Na)), binder (starch) samples were weighed according to the design formula, mixed, and pulverized on a high-speed pulverizer;

[0073] B, the pulverized sample is placed in a beaker, and water (10-20%) containing a binder is added while stirring, which can be initially kneaded into mud...

Embodiment 3

[0075] Example 3 (4.67:1:50)

[0076] A kind of mixed insecticide ultra-low volume spray of abamectin, nitenpyram and indoxacarb, it is made of the raw material of following mass fraction:

[0077]

[0078] The above-mentioned mixed insecticide ultra-low volume spray of pymetrozine and dinotefuran, its preparation steps are:

[0079] A. According to the designed formula, take the original drug of dinotefuran and pymetrozine, add dimethyl sulfoxide, and dissolve the original drug;

[0080] B. Then add N-methylpyrrolidone, stir evenly (100-200 rpm), add thick milk 500 and thick milk 700, stir evenly (100-200 rpm), stir for 30-40min to obtain a uniform and transparent liquid formulations.

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Abstract

The invention discloses a preparation method of a mixed insecticide composed of avermectin, nitenpyram, and indoxacarb. The mixed insecticide is composed of avermectin active compound, nitenpyram active compound, indoxacarb active compound, a wetting agent, a dispersant, a filling material, and other auxiliary agents according to a certain ratio. The preparation method comprise the following steps: step A, weighing avermectin active compound, nitenpyram active compound, indoxacarb active compound, a wetting agent, a dispersant, a filling material, and other auxiliary agents; step B, finely grinding the components, evenly mixing, and then grinding the mixture in a high-speed pulverizer; step C, after 10 minutes, grinding the mixture in an air-flow pulverizer to obtain a mixed insecticide (30%) of avermectin, nitenpyram, and indoxacarb. The effect of the insecticide is improved, the generation time of drug resistance is prolonged, the insect control spectrum is enlarged, the using amount of pesticide is reduced, the pollution to the environment is reduced, the cost is low, the economic burden for farmers is reduced, the goal of sustainable development can be achieved, and at the same time the insecticide has the characteristics of efficiency and safety.

Description

technical field [0001] The invention belongs to the technical field of insecticide containing macrolide compounds, neonicotinoid compounds and oxadiazine compounds, and more specifically relates to a compound of abamectin, nitenpyram and indoxacarb The insecticide also relates to a preparation method of abamectin, nitenpyram and indoxacarb mixed insecticide, which is suitable for preventing and controlling piercing and sucking pests brown planthopper, white-backed planthopper, striatellus striatellus, Green planthopper, aphid, whitefly, whitefly, leafhopper, thrips, rice borer, rice stem borer, rice leaf roller, diamondback moth, cotton bollworm, aphid armyworm, sugar beet Noctuid moth, Spodoptera litura, potato beetle and other Homoptera, Lepidoptera, Coleoptera agricultural pests. Background technique [0002] Rice planthopper is one of the main pests of rice in my country. It starts to migrate from Indochina Peninsula to China's rice planting areas in March every year. ...

Claims

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Application Information

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IPC IPC(8): A01N47/38A01P7/04A01N43/90A01N43/40
Inventor 李建洪张小磊张淑真廖逊何顺万虎
Owner HUAZHONG AGRI UNIV
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