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Spinosad microcapsule suspending agent

A technology of microcapsule suspending agent and spinosad, which can be used in insecticides, biocides, animal repellants, etc., can solve the problems of poor control effect of piercing-sucking pests and mites, etc.

Inactive Publication Date: 2011-04-27
BEIJING YOLOO BIO TECH CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It can effectively control pests of Lepidoptera, Diptera and Thysanoptera, and can also control some pest species in Coleoptera and Orthoptera that eat a lot of leaves, and control of piercing-sucking pests and mites less effective
It is relatively safe for predatory natural enemy insects. Due to the unique mechanism of insecticidal action, no reports of cross-resistance with other insecticides have been found so far.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Take 11.11g of spinosad powder (90% the same below) and 0.5g of monomer TWX dissolved in 10g of toluene, then add 3g of another monomer and stir for 10-20 minutes to obtain an organic phase. Take 10g of Nongru 0201 and dissolve it in 912.39g of distilled water to obtain the water phase. Add the above organic phase to the water phase with stirring and raise the temperature to 45°C, react for 3 hours, and finally add 10g of emulsifier op-10, 3g of 2.5% xanthan gum, 20g of antifreeze (ethylene glycol) and 20g of preservative to the reaction solution agent sodium benzoate and stirred evenly to obtain 1000g of 1% spinosad microcapsule suspension.

Embodiment 2

[0026] Take 27.78g of spinosad powder (90% the same below) and 1g of monomer TWX dissolved in 20g of toluene, then add 3.5g of another monomer and stir for 10-20 minutes to obtain an organic phase. Take 20g of Nongru 0201 and dissolve it in 894.72g of distilled water to obtain the water phase. Add the above organic phase to the water phase with stirring and raise the temperature to 45°C, react for 3 hours, and finally add 10g of emulsifier op-10, 3g of 2.5% xanthan gum, 20g of antifreeze (ethylene glycol) and 20g of preservative to the reaction solution The agent sodium benzoate was stirred evenly to obtain 1000g of 2.5% spinosad microcapsule suspension.

Embodiment 3

[0028] Take 55.56g of spinosad powder (90% the same below) and 1.5g of monomer TWX dissolved in 20g of toluene, then add 4g of another monomer and stir for 10-20 minutes to obtain an organic phase. Take 15g of Nongru 0201 and dissolve it in 850.94g of distilled water to obtain the water phase. Add the above organic phase to the water phase with stirring and raise the temperature to 45°C, react for 3 hours, and finally add 10g of emulsifier op-10, 3g of 2.5% xanthan gum, 20g of antifreeze (ethylene glycol) and 20g of preservative to the reaction solution agent sodium benzoate and stirred evenly to obtain 1000g 5% spinosad microcapsule suspension.

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PUM

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Abstract

The invention relates to a microcapsule suspending agent which takes spinosad as an active ingredient. Capsule-core spinosad is coated with a polyurethane type semipermeable envelope so as to form a microcapsule which is stably dispersed and suspended in water and is milk-white homogeneous-phase suspension liquid. A pesticide composition has good prevention and control effects on plutella xylostella. The occurrence of medicament resistance is delayed, environmental pollution is reduced and lasting period is prolonged.

Description

technical field [0001] The invention relates to a new pesticide dosage form of a microcapsule suspension containing spinosad as an active ingredient. Background technique [0002] Spinosyn, also known as spinosad (Spinosad), is a macrolide pollution-free and efficient biopesticide extracted from the Saccharomyces spinosa fermentation broth. The spinosyn-producing parent strain, the soil actinomycete Saccharopolyspora spinosa Metrz & Yao, was originally isolated from an abandoned winery in the Caribbean. Spinosad has a novel mode of action, which can continuously activate the target insect acetylcholine nicotinic receptor, but its binding site is different from that of nicotine and imidacloprid. Spinosad also affects GABA receptors, but the mechanism of action is unclear. It is not known whether there is cross-resistance to other types of insecticides. These compounds can cause rapid death of target phytophagous insects such as caterpillars, leafminers, thrips, and leaf-ea...

Claims

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Application Information

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IPC IPC(8): A01N43/22A01N25/04A01N25/28A01P7/04
Inventor 王明康杨会营刘晓娇马嵩岳
Owner BEIJING YOLOO BIO TECH CORP
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