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Mite-killing composition

A composition and crop technology, applied in the directions of acaricides, biocides, animal repellents, etc., can solve the problems that the research results have not yet been reported, and achieve the effects of improving the control effect, overcoming drug resistance, and improving the duration of the effect.

Active Publication Date: 2013-01-02
SHENZHEN NOPOSION AGROCHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Bifenazate is a bifenazate acaricide and a gamma-aminobutyric acid (GABA) antagonist, but further research results have not been reported yet

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Prepare 100g 48% bifenazate · amitraz (bifenazate: amitraz is 47: 1) wettable powder, the mass ratio of each component is respectively:

[0017] Bifenazate 48.45g Amitraz 1.05g

[0018] Chaku powder 10g polyethylene glycol 8g

[0019] Balance diatomaceous earth

[0020] The above raw materials were mixed according to the conventional method of preparing wettable powder, the mixture was put into a jet mill, and pulverized to meet the fineness requirements, and 100 g of 48% bifenazate · amitraz wettable powder meeting the national standard was obtained.

Embodiment 2

[0022] Prepare 100g 24% bifenazate · amitraz (bifenazate: amitraz is 1: 47) wettable powder, the mass ratio of each component is respectively:

[0023] Bifenazate 0.52g Amitraz 24.74g

[0024] Soap root powder 10g polyvinyl alcohol 8g

[0025] Balance diatomaceous earth

[0026] The above raw materials were mixed according to the conventional method of preparing wettable powder, the mixture was put into a jet mill, and pulverized to meet the fineness requirements, and 100 g of 24% bifenazate · amitraz wettable powder meeting the national standard was obtained.

Embodiment 3

[0028] Prepare 100g 51% bifenazate · amitraz (bifenazate: amitraz is 100: 1) water dispersible granule, the mass ratio of each component is respectively:

[0029] Bifenazate 51.55g Amitraz 0.53g

[0030] Sodium alkylbenzene sulfonate 10g Lignosulfonate 8g

[0031] Polyvinyl alcohol 8g Sodium chloride 10g

[0032] Balance diatomaceous earth

[0033] Grind the original drug with sodium alkylbenzenesulfonate, lignosulfonate, sodium chloride, diatomaceous earth, etc. in water to obtain the required particle size, then add polyvinyl alcohol to adjust its concentration and viscosity to obtain of slurry. The slurry is quantitatively sent into a drying tower for spray drying to obtain 100 g of 51% bifenazate·amimidine water-dispersible granules.

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Abstract

The invention relates to a mite-killing composition. The active ingredients of the mite-killing composition are bifenazate and amitraz in a mass part ratio of 100:1-1:100; and the mite-killing composition can be prepared into wettable powder, water dispersible granules and cream. The mite-killing composition has good synergistic effect, can delay the medicament resistance of harmful organisms andprolong the service life of pesticide varieties; and when applied to preventing and controlling various harmful mites on crops, the composition is particularly suitable for preventing and controllingpanonychus ulmi koch, tetranychus urticae, tetranychus cinnabarinus, tetranychus truncatus, polyphagotarsonemus latus and rust mite, and the effect of the composition is obvious superior to that of the bifenazate or amitraz which is separately used.

Description

technical field [0001] The invention relates to an acaricidal composition, in particular to an acaricidal composition containing bifenazate and amitraz as active ingredients and its application in the control of crop pest acarids. Background technique [0002] There are many generations of harmful mites and strong reproductive ability. Under suitable temperature and humidity conditions, the number of harmful mites can multiply rapidly in a short period of time, so it is easy to develop resistance to acaricides and cause serious damage to crops. For example, Panonychus citri McGregor is the main pest mite that commonly occurs in citrus planting areas in my country at present. It has a short generation cycle and strong fecundity, and it is easy to develop resistance to control agents; another example is Tetranychus urticae. (Tetranychus urticae Koah) is a worldwide pest mite, commonly known as white spider. It is a pest mite that has caused great harm, strong drug resistance an...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N47/24A01N37/52A01P7/02
Inventor 徐齐云曹明章王新军李广泽
Owner SHENZHEN NOPOSION AGROCHEM
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