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Plant pesticide with natural avermection microcapsule and its application

A technology of natural pyrethrins and microcapsules, which is applied in the field of plant pesticides, can solve the problems of weakening the environmental protection advantages of plant-derived pesticides, high application costs, and short efficacy periods, so as to increase the time interval of spraying, reduce pollution, and reduce The effect of pesticide dosage

Inactive Publication Date: 2005-09-28
侯金荣
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this preparation has the following deficiencies: 1. The main insecticidal active ingredients in this preparation are easily decomposed by sunlight, air, higher temperature and metal ions during storage, transportation and application, especially with the strongest ultraviolet decomposition effect, which leads to Short validity period and high application cost
② There is an organic solvent petroleum ether in its preparation, which is harmful to the environment, thus weakening the environmental protection advantages of botanical pesticides

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0064] In the glass-lined reactor, add 100 grams of sodium lignosulfonate aqueous solution, heat to 60℃, mix 300 grams of natural pyrethrin with a net content of 85% and 100 grams of piperonyl butoxide, and add them to the glass-lined reactor. Stir uniformly in the reactor, slowly and continuously add 100 grams of ethylenediamine and 200 grams of terephthaloyl chloride at a temperature of 35℃, stir at 2500 rpm for 30 minutes, and then stir at 1000 rpm for 25 minutes , Which is made into natural pyrethrin microcapsules.

[0065] 3% natural pyrethrin microcapsules are formulated with the following ingredients:

[0066] 20 grams of microcapsules, 30 grams of sodium lauryl sulfate, 30 grams of polyvinyl alcohol

[0067] 20 grams of ethylene glycol 10 grams of organic silicone 10 grams of azone

[0068] 100 grams of diatomaceous earth

example 2

[0070] In the glass-lined reactor, add 1500g of sodium lignosulfonate aqueous solution, heat to 50℃, mix 9500g of natural pyrethrins with a net content of 25% and 5000g of synergamine and add them to the glass-lined reactor. Stir uniformly in the reaction kettle, slowly and continuously add 1500 g of ethylene glycol and 2000 g of phthaloyl chloride at a temperature of 60°C, stirring at 1500 rpm for 60 minutes, and then stirring at 600 rpm for 35 minutes. It is made into natural pyrethrin microcapsules.

[0071] 5% natural pyrethrin microcapsules are formulated with the following ingredients:

[0072] Microcapsules 1918g Sodium Lauryl Sulfate 1000g Polyvinyl Alcohol 1000g

[0073] 500 g of ethylene glycol 250 g of organosilicone 250 g of azone

[0074] Diatomite 4000g

example 3

[0076] In the glass-lined reactor, add 500g of polyvinyl alcohol aqueous solution, heat to 40℃, mix 800g of natural pyrethrin with a net content of 50% and 1600g of piperonyl butoxide, then add to the glass-lined reaction Stir uniformly in the kettle, slowly and continuously add 500 g of ethylene glycol and 800 g of hexamethylene diisocyanate at a temperature of 50°C, stir at 2000 rpm for 45 minutes, and then stir at 800 rpm for 30 minutes. It is made into natural pyrethrin microcapsules.

[0077] 3% natural pyrethrin microcapsules are formulated with the following ingredients:

[0078] Microcapsules 1469g Sodium Lignosulfonate 1000g Carboxymethyl Cellulose 1000g

[0079] Glycerol 500g Organic Silicone 250g Azone 250g

[0080] Attapulgite clay 2000 grams

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PUM

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Abstract

The plant pesticide with natural avermectin microcapsule is prepared with natural avermectin in 3-95 wt% and synergist in 1-50 wt% as core material, wall material in 1-35 wt%, and dispersant in 1-15 wt%, and through interface polymerization to obtain natural avermectin microcapsule, which is added with assistant in 1-30 wt% and carrier in 1-40 wt% to form the natural avermectin microcapsule plant pesticide. The present invention solves the problem of natural avermectin, and makes it delayed slowly for lasting effective time, reduced pesticide consumption, lowered cost and reduced environmental pollution. The present invention may be used in organic food production and green food production to kill various pests in vegetable, Chinese medicine, flower, tea, etc.

Description

Technical field [0001] The invention relates to a plant pesticide, in particular to a natural pyrethrin plant pesticide and its application. Background technique [0002] Human beings use chemical pesticides to increase the production of agricultural products and solve food supply. Since Muller discovered the insecticidal activity of DDT in 1937, a large number of organic phosphorus and carbamate chemical synthetic pesticides have appeared one after another. The long-term and large-scale application of these toxic chemicals has caused pollution of agricultural products, natural water bodies, soil and atmosphere, which is beneficial Insects disappeared, harmful insects and organisms became resistant, many birds disappeared, and the ecological environment was destroyed. What is more serious is the residues of pesticides in crops and natural water bodies, and a considerable part of them is directly harmful to humans and animals after being enriched in the food chain. There are about...

Claims

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Application Information

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IPC IPC(8): A01N25/28A01N53/00
Inventor 罗波侯金荣侯金春侯金华
Owner 侯金荣
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