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Insecticidal composition containing avermectin and indoxacarb

A technology of abamectin and indoxacarb, applied in the field of pesticides, can solve the problems of loss of efficacy value, difficulty in controlling agricultural pests, etc., and achieve the effects of improving the control effect, reducing the toxic effect of aquatic animals, and having a broad insecticidal spectrum.

Inactive Publication Date: 2009-03-18
GAUNGXI TIANYUAN BIOCHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] With the frequent use of conventional medicines and the constant changes in the cultivation environment, the control of agricultural pests has become more and more difficult
Moreover, the use of single-dose pesticides has certain limitations. Long-term single use of pesticides with one active ingredient will soon lead to the development of resistance, thus losing its medicinal value.

Method used

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  • Insecticidal composition containing avermectin and indoxacarb
  • Insecticidal composition containing avermectin and indoxacarb
  • Insecticidal composition containing avermectin and indoxacarb

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Preparation method of 1% abamectin · indoxacarb microemulsion

[0025] Abamectin 0.5kg

[0026] Indoxacarb 0.5kg

[0027] Emulsifier 603# 5kg

[0028] Emulsifier 500# 5kg

[0029] Dimethylformamide 5kg

[0030] Ethyl acetate 5kg

[0031] Water to make up to 100kg

[0032] After the abamectin and indoxacarb are completely dissolved, add an emulsifier and stir evenly to form an oil phase, and finally add water and stir to form a uniform transparent homogeneous liquid.

Embodiment 2

[0034] Preparation Method of 4% Abamectin · Indoxacarb EC

[0035] Abamectin 3kg

[0036] Indoxacarb 1kg

[0037] Emulsifier 603# 5kg

[0038] Emulsifier 500# 5kg

[0039] Dimethylformamide 5kg

[0040] Xylene make up to 100kg

[0041] Combine ingredients until smooth, stirring until creamy. The function of the emulsifier is: when it is dispersed on the surface of the dispersant, it forms a thin film or an electric double layer, which can make the dispersed phase charged, so that it can prevent the small droplets of the dispersed phase from coagulating with each other, and make the formed emulsion relatively stable. Add a certain amount of emulsifiers in the pesticide processing, and then dissolve them in organic solvents, and mix them evenly to make a transparent liquid to obtain emulsifiable concentrate.

Embodiment 3

[0043] Preparation method of 8% abamectin·indoxacarb aqueous emulsion

[0044]Abamectin 6kg

[0045] Indoxacarb 2kg

[0046] Isopropanol 10kg

[0047] Dimethylformamide 10kg

[0048] Xylene 5kg

[0049] Emulsifier 10kg

[0050] Water to make up to 100kg

[0051] Mix various ingredients together, and shear in a shearing kettle until the particle size of the active ingredient is less than 3 μm. The function of the emulsifier is that when it is dispersed on the surface of the dispersant, the formation of a thin film or electric double layer can make the dispersed phase charge, and prevent the small droplets of the dispersed phase from coagulating with each other. Isopropanol and xylene can effectively fuse emulsifiable concentrate with water and maintain its stability.

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Abstract

The invention provides a pesticide composite which contains abamectin and indoxacarb; the abamectin and the indoxacarb are combined according to the proportion of 0.02-50:1 and the active ingredient content of the pesticide is 1 to 90 percent. The combined composite can be made into various formulations such as missible oil, aqueous emulsion, water dispersible granule, suspending agent, slow-release agent, wettable powder and the like, after being added with addition agent and carrier. The composite of the invention does not produce drug resistance and has an obvious effect on resistant pests; the pesticide effect is stable, and the pesticide can kill a plurality of pests and can meet the requirements of farmers. The pesticide composite made from abamectin and indoxacarb can kill various pests in one time to reduce the preventing and controlling cost of the farmers and bring great economic and social benefits. The pesticide composite of the invention is characterized by high stability, low poison and residue, high efficiency, ultraviolet ray resistance, high-temperature resistance and rainfall erosion resistance.

Description

technical field [0001] The invention relates to the field of pesticides, in particular to a binary compound pesticide composition containing abamectin and indoxacarb, which is mainly used for vegetable pests such as diamondback moth and leaf rollers in rice fields. Background technique [0002] The occurrence and damage of diamondback moth throughout the year are different across the country. There are multiple generations in a year, and they can survive the winter as pupae on the host stalk or field residues. There are 4 instars of larvae. The mature larvae are about 1cm long, dark green and spindle-shaped. Shortly after the first instar larvae hatched, they sneaked into the leaf tissue to feed on the mesophyll, and after the second instar, they drilled out of the leaf tissue, mostly harming the back of the leaf, feeding on the lower epidermis and mesophyll, leaving only small transparent spots on the upper epidermis, commonly known as "Open the skylight". Mature larvae c...

Claims

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Application Information

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IPC IPC(8): A01N43/90A01N47/38A01P7/00
Inventor 陈一铭韦志军李耀秀宋琳
Owner GAUNGXI TIANYUAN BIOCHEM
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