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Synergistic insecticidal composition containing propargite and spinosad and application thereof

The technology of an insecticidal composition and spinosad, applied in the field of pesticides, can solve the problems of high cost of drugs for farmers, easy generation of drug resistance, and inability to protect crops, so as to reduce the amount of pesticides used in the field, reduce pesticide residues, and reduce labor for prevention and control. cost effect

Active Publication Date: 2016-04-20
江苏欧越生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] Insecticide varieties containing a single component often have defects in the control of pesticide pests: continuous use is easy to produce resistance, narrow insecticidal spectrum, cannot provide comprehensive protection for crops, and the cost of pesticides for farmers is high.

Method used

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  • Synergistic insecticidal composition containing propargite and spinosad and application thereof
  • Synergistic insecticidal composition containing propargite and spinosad and application thereof
  • Synergistic insecticidal composition containing propargite and spinosad and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Combined Toxicity of Propyridine and Spinosad in Different Ratio

[0022] Weighing propargid and spinosad are prepared in different proportions by conventional preparation methods to prepare propargid-spinosad suspension concentrate with the weight percentage of the main active ingredient being 30%. See Table 1 for specific proportions.

[0023] The toxicity of propargite, spinosad and their compound samples to citrus spider mite was determined by dipping slides. Each treatment was repeated 3 times, and each concentration was treated with 30 heads. 50 Calculate the co-toxicity coefficient according to Sun Yunpei's method:

[0024] Table 1 Toxicity determination and co-toxicity coefficient of citrus red spider mite, spinosyn and its compound samples

[0025]

Embodiment 2

[0027] Weighing propargid and spinosad were prepared in different proportions by conventional preparation methods to prepare propargid-spinosad emulsifiable concentrate with a main active ingredient weight percentage of 30%. See Table 2 for specific proportions.

[0028] Test method The method of soaking the leaves first and then inoculating the insects was used to determine the toxicity of propargite, spinosad and their compound samples to the vegetable diamondback moth. Each treatment was repeated 3 times, and the LC 50 Calculate the co-toxicity coefficient according to Sun Yunpei's method:

[0029] Table 2 Toxicity determination and co-toxicity coefficient of propargite, spinosad and their compound samples to vegetable diamondback moth

[0030]

Embodiment 3

[0032] Weighing propargid and spinosad are prepared in different proportions by conventional preparation methods to prepare propargid-spinosad suspension concentrate with the weight percentage of the main active ingredient being 30%. See Table 3 for specific proportions.

[0033] Test method The method of soaking leaves first and then inoculating insects was used to determine the toxicity of propargite, spinosad and their compound samples to cabbage leaf miners. Each treatment was repeated 3 times, and the LC 50 Calculate the co-toxicity coefficient according to Sun Yunpei's method:

[0034] Table 3 Toxicity determination and co-toxicity coefficient of propargite, spinosad and their compound samples to cabbage leafminer

[0035]

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PUM

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Abstract

The invention discloses a synergistic insecticidal composition containing propargite and spinosad and application thereof. The insecticidal composition takes the propargite and the spinosad as main effective components, wherein the weight ratio of the propargite to the spinosad is (1:60) to (60:1). The composition provided by the invention can be used for preventing and controlling a plurality of types of injurious insects and has a remarkable synergistic effect; an insecticidal spectrum is expanded; the synergistic insecticidal composition has relatively high activity on a plurality of types of lepidoptera, diptera and thysanoptera injurious insects on rice, wheat, cotton, fruit trees and vegetables; the dosage of a pesticide is reduced and the residual amount of the pesticide on crops is reduced so that the environmental pollution is alleviated; the synergistic insecticidal composition is safe to human and livestock and has good environment compatibility; and the injurious insects do not easily have pesticide resistance. The composition can be prepared into missible oil, emulsion in water, micro-emulsion, a suspending agent, wettable powder or water dispersible granules.

Description

technical field [0001] The invention belongs to the field of pesticides, and in particular relates to an insecticidal composition with propagand and spinosad as main active ingredients and an application thereof. Background technique [0002] Propargite, molecular formula: C 19 h 26 o 4 S, chemical name: 2-(4-tert-butylphenoxy)cyclohexylpropyn-2-yl sulfite. The structural formula is: [0003] [0004] It is a broad-spectrum, high-efficiency, and low-toxicity acaricide, which has contact and stomach poisoning effects, and has no penetration and systemic effects. It has good effect on juvenile nymphs and adult mites, but poor ovicidal effect. It can effectively control spider mite pests on apple trees, cotton, cucumbers, grapes, corn, soybeans, tomatoes and vegetables. [0005] Spinosad (Spinosad), structural formula: [0006] [0007] Spinosad, also known as spinosad, is a kind of macrolide pollution-free and high-efficiency biopesticide extracted from the fermen...

Claims

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Application Information

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IPC IPC(8): A01N43/22A01N41/02A01P7/04A01P7/02
CPCA01N41/02A01N43/22A01N2300/00
Inventor 万维肖高瑞花郭崇友张宝俊程清云
Owner 江苏欧越生物科技有限公司
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