Farm chemical composition containing chlorfenapyr and phoxim

A pesticide composition, chlorfenapyr technology, applied in the field of synergistic pesticide composition, can solve the problems of decreased drug efficacy, high frequency of application, and generation of pest resistance

Inactive Publication Date: 2008-11-26
CHINA AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in practical applications, due to the high frequency of application, the pests will become resistant and the efficacy will decrease.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Preparation Example 1: The weight ratio of each component of emulsifiable concentrate

[0026] Chlorpronil 5%

[0027] Phoxim 35%

[0028] Ethanol 5%

[0029] Emulsifier 12%

[0030] Xylene fill up

Embodiment 2

[0031] Formulation example 2: the weight proportion of each component of granule

[0032] Chlorfenapyr 0.5%

[0033] Phoxim 3%

[0034] Binder 0.5-1%

[0035] Adsorbent 8-10%

[0036] Carrier Completion

Embodiment 3

[0037] Formulation example 3: the weight ratio of each component in the wettable powder

[0038] Chlorpronil 5%

[0039] Phoxim 20%

[0040] Calcium dodecylbenzenesulfonate 20%

[0041] Calcium lignosulfonate 20%

[0042] Methanol 5%

[0043] Activated clay fill up to 100%

[0044] Biological Example 1: Measuring results of the co-toxicity coefficient of chlorfenapyr and phoxim to Plutella xylostella

[0045] Table 1 Toxicity of chlorfenapyr, phoxim and their different ratios to Plutella xylostella

[0046]

Pharmacy and

Proportion

Virulence Regression

y=a+bx

lethal middle concentration LC 50

(μg / ml)

SE

correlation coefficient

(R 2 )

°Co-toxicity

Coefficient

(CTC)

chlorfenapyr

Y=0.7623+2.6180X

0.51(0.40～0.63)

0.3961

0.881

-

Phoxim

Y=-1.8303+1.5513X

15.1(10.4～21.0)

0.2775

0.965

...

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PUM

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Abstract

The present invention relates to a pesticide composite containing chlorfenapyr and phoxim, in which the optimum weight mixing ratio of chlorfenapyr and phoxim is 1:2-1:4 and 1:9-1:20. Said pesticide composite can be used for controlling pests, such as asparagus fern caterpillar, etc.

Description

technical field [0001] The invention relates to a synergistic pesticide composition, in particular to a synergistic pesticide composition comprising chlorfenapyr and phoxim. Background technique [0002] Chlorfenapyr (chlorfenapyr) is a new type of pyrrole compound, which has a unique mechanism of action on pests. It can prevent the accumulation of H+ protons in the inner membrane of mitochondria in insect cells, so that ADP can no longer be converted into ATP, stop the life function of cells, and eventually cause pests die. Chlorfenapyr has stomach poisoning, contact killing and systemic effects, and has a wide insecticidal spectrum. It has excellent control effect on more than 70 kinds of pests in Lepidoptera, Homoptera, Coleoptera and other orders, especially for vegetable resistance Among the pests, there are special effects on diamondback moth, beet armyworm, litura, litura, bean borer, thrips, and red spider. However, in practical applications, due to the high freque...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N57/14A01N25/02A01N25/12A01P7/04A01N43/36
Inventor 王成菊李学锋蒋家珍
Owner CHINA AGRI UNIV
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