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Pesticide preparation for controlling rice pests of planthoppers and the like

A technology of pesticide preparation and rice, which is applied in the field of preparation of pesticides and pesticide preparations, can solve the problems of azadirachtin drug effect, long-lasting effect, high production cost, and effect of pest control, etc., and achieves the expansion of pest control spectrum and price Inexpensive, good control effect

Inactive Publication Date: 2010-09-22
YANGZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, the production cost of azadirachtin preparations in the field is relatively high. In addition, azadirachtin is prone to photolysis and hydrolysis in the natural environment, which affects the efficacy and persistence of azadirachtin. The control effect has been affected to a certain extent
Chlorantraniliprole, as a newly listed chemical pesticide, currently has a good control effect on rice pests. However, in order to improve the control effect of pesticides on pests, farmers continue to increase the dosage of pesticides. In addition, pests are easy to produce pesticides. resistance

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] Example 1: Composition and preparation method of 22.0% azadirachtin · chlorantraniliprole emulsifiable concentrate

[0044] The weight ratio of each component in the main agent to the total weight of the emulsifier is: 2.0% of azadirachtin and 20.0% of chlorantraniliprole.

[0045] The total weight percentage of each component in the auxiliary agent in the emulsifiable concentrate is: solvent, xylene 59.8%, methanol 5.0%; cosolvent, cyclohexanone 0.2%; emulsifier, dibenzylphenol polyoxyethylene ether 8.0%, Tween -204.0%; stabilizers, pyrogallic acid 0.5%, castor oil 0.5%.

[0046] The traditional emulsifiable agent processing method is used to prepare the emulsifiable agent after mixing the raw materials in the above weight ratio.

Embodiment 2

[0047] Example 2: Composition and preparation method of 22.0% azadirachtin·chlorantraniliprole microemulsion

[0048] The weight ratio of each component in the main agent to the total weight of the microemulsion is: 2.0% of azadirachtin and 20.0% of chlorantraniliprole.

[0049] The proportion of each component in the auxiliary agent to the total weight of the microemulsion is: emulsifier, tristyrylphenol oxiraneated phosphate triethanolamine salt 35.0%, polyoxyethylene phenylphenol ether 35.0%; solvent, dimethyl formaldehyde Amide 1.0%, pyrrolidone 1.0%; stabilizer, pyrogallic acid 0.1%; antifreeze agent, ethylene glycol 0.1%, glycerol 1.0%; water 4.8%.

[0050] The traditional microemulsion processing method is used to make microemulsion after mixing the raw materials in the above weight ratio.

Embodiment 3

[0051] Example 3: Composition and preparation method of 22.0% azadirachtin·chlorantraniliprole aqueous emulsion

[0052] The ratio of each active ingredient in the main agent to the total weight of the emulsion in water is: 2.0% of azadirachtin and 20.0% of chlorantraniliprole.

[0053] The total weight ratio of each component in the water emulsion in the auxiliary agent is: solvent, xylene 30.0%, N-long chain alkylpyrrolidone 30.0%; emulsifier, 2,4,6-tris(1-phenylethyl)phenol poly (20) Ethylene glycol phosphate monoester 4.0%; dispersant, polyvinyl alcohol 0.2%; antifreeze agent, glycerol 0.1%; water 13.7%.

[0054] After mixing the raw materials in the above weight ratio, the insecticide emulsion in water is prepared by the traditional emulsion-in-water processing method.

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PUM

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Abstract

The invention provides a pesticide preparation for controlling rice pests of planthoppers and the like, which relates to the technical field of pesticides. The main agent of the pesticide preparation is a mixture containing the following active ingredients in percentage by weight: 0.1-2.0% of nimbin and 0.1-50.0% of chlorantraniliprole. The main agent and auxiliary agents are prepared into creams, microemulsions, aqueous emulsion and suspending agents. The pesticide preparation has high efficiency on the rice pests of planthoppers and the like, can control the rice pests of planthoppers and the like in different instars and thoroughly kill the pests, has the advantages of less pollution on the environment and low production cost, and is suitable for chemically controlling the rice pests of planthoppers and the like.

Description

technical field [0001] The invention relates to the technical field of pesticides, in particular to the technical field of preparation of pesticide preparations for controlling rice pests such as planthoppers. Background technique [0002] Rice is an important food crop that 35% of people in the world depend on for survival, and its yield is related to social stability. However, during the whole growth and development process of rice, it is often attacked by various diseases and insect pests, especially insect pests, among which stem borers, rice leaf rollers and rice planthoppers are the three major pests that harm rice. Due to global climate warming and changes in the status of pests, rice borers, rice planthoppers and other pests have broken out in large areas in recent years, seriously threatening the sustainable production of rice. Rice pests are becoming more and more rampant. General insecticides cannot achieve the ideal control effect, and some highly toxic pesticid...

Claims

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Application Information

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IPC IPC(8): A01N43/90A01N43/56A01P7/04
Inventor 陈小军杨益众王爽费春
Owner YANGZHOU UNIV
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