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Insect disinfestation composition containing spiromesifen and pyrethroid

A technology of pyrethroids and insecticidal compositions is applied to the application field of insecticidal compositions on crop pests, and can solve the problems of unpublished reports on compounding, and achieves safety for humans and animals, good environmental compatibility, and adhesion. Enhanced effect

Inactive Publication Date: 2014-03-12
SHAANXI MEIBANG PHARMA GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

After research by the inventors, it was found that the combination of spiromethin, etofenprox, bifenthrin, fenpropathrin and tefluthrin can produce a good synergistic effect, and regarding spiromethin and ether Reports on compounding of permethrin, bifenthrin, fenpropathrin and tefluthrin have not yet been made public

Method used

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  • Insect disinfestation composition containing spiromesifen and pyrethroid
  • Insect disinfestation composition containing spiromesifen and pyrethroid
  • Insect disinfestation composition containing spiromesifen and pyrethroid

Examples

Experimental program
Comparison scheme
Effect test

example 1～10

[0037] Example 1~10 wettable powder

[0038] Mix spiromethid, active ingredient B, dispersant, wetting agent, and filler in a mixing tank evenly, pulverize through a jet mill and then mix evenly to obtain the wettable powder product of the present invention. For details, see Table 1.

[0039] Table 1 Embodiment 1~10 each component and parts by weight

[0040]

example 11～20

[0041] Example 11~20 water dispersible granules

[0042] Spiromethin, active ingredient B, dispersant, wetting agent, disintegrant, filler, etc. are crushed together by airflow to obtain the required particle size, and then other additives such as binder (optional) are added to obtain the preparation grain materials. The water-dispersible granule product of the present invention can be obtained after quantitatively sending the material into a fluidized bed granulation dryer for granulation and drying, see Table 2 for details.

[0043] Table 2 Embodiment 11~20 each component and parts by weight

[0044]

[0045]

example 21～30

[0046] Example 21-30 Suspending agent

[0047] Dispersant, wetting agent, defoamer, thickener (can be added or not), antifreeze agent (can be added or not), mixed evenly through high-speed shearing, add spiromethin and active ingredient B, and grind in a ball mill Medium ball milling for 2 to 3 hours, so that the particle size is all below 5 μm, and the balance is supplemented with deionized water, and the suspension product of the present invention can be obtained. See Table 3 for details.

[0048]Table 3 Embodiment 21~30 each component and parts by weight

[0049]

[0050]

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PUM

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Abstract

The present invention discloses an insect disinfestation composition containing spiromesifen and pyrethroid. The insect disinfestation composition contains an active component A and an active component B, wherein the active component A is selected from spiromesifen, the active component B is any one compound selected from ethofenprox, bifenthrin, fenpropathrin and tefluthrin, and a weight ratio of the active component A to the active component B is 1:60-80:1. The composition provides synergy effects for a plurality of pests harmful for agricultural production, and has characteristics of pesticide consumption reduction, reduction of residual pesticide on crops, environmental pollution reduction, safety to human and animals, good environment compatibility, and pest drug resistance generation resistance.

Description

technical field [0001] The invention belongs to the technical field of pesticides, and relates to the application of an insecticidal composition containing spiromethin and pyrethroids on crop pests. Background technique [0002] Spiromesifen chemical name: 3-(2,4,6-trimethylphenyl)-2-oxo-1-oxaspiro[4.4]non-3-en-4-yl-3,3 -Dimethylbutyrate, molecular formula: C 23 h 30 o 4 , the mechanism of action of spiromethin is to affect the development of whiteflies and mites, interfere with the biosynthesis of their liposomes, especially have good activity on the larvae stage, and at the same time, it can also produce ovariectal closure, reduce the incidence of mites and whiteflies The reproductive capacity of adults greatly reduces the number of eggs laid. [0003] Etoproxil, bifenthrin, fenpropathrin, and tefluthrin are all pyrethroid insecticides, which are widely used in the prevention and control of insect pests on crops, and the control effect is good. [0004] However, in th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N53/08A01N53/06A01N43/12A01N31/14A01P7/02A01P7/04
Inventor 张伟
Owner SHAANXI MEIBANG PHARMA GRP CO LTD
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