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Recipe and prepn of botanical composite pesticide

A plant-derived, pesticide technology, applied in pesticides, plant growth regulators, botanical equipment and methods, etc., can solve the problems of slow efficacy, high cost, poor drug stability, etc., and achieve high-efficiency insecticidal effects. , the safety interval is short, the effect of overcoming drug resistance

Inactive Publication Date: 2007-08-22
北京天地绿园农业科学研究院
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In recent years, although great progress has been made in the research and development of botanical pesticides in my country, there are still some problems on the whole, mainly in: high cost, slow action, short duration of field effect, and repeated application Or mixed with other synthetic pesticides to achieve the expected prevention and control purposes; drug stability is poor, the control effect of some botanical pesticide preparations is not stable in production and practical application, and is easily affected by environmental factors; there are not many varieties and types of botanical pesticides
[0003] According to the principle of "mutual cooperation and synergistic effect" between Chinese herbal medicines, the present invention provides a method for preparing botanical pesticides that are generally unstable in composition and slow in efficacy

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0023] Efficacy test of botanical compound insecticide with 1% active ingredient and insecticidal substance preparation with the same concentration of single active ingredient on field radish aphid.

[0024] Compound insecticide: according to the ratio of 1:3:1, wolftoxin-0.2g, marigold-0.6g, rutin-0.2g, humic acid-0.2g, sesamin-0.2g, epoxidized vegetable oil -0.2g, penetrating agent T-8g, Tween 80-8g, the rest is made up to 100g with distilled water, added to a stirring container with a thermometer, heated to 60°C, mixed and stirred evenly, and the active ingredient content of 100g is 1 % botanical pesticides. It was diluted 1000 times before use.

[0025] Wolf’s poison insecticide: take 1g of wolf’s poison active substance, humic acid-0.2g, sesamin-0.2g, epoxidized vegetable oil-0.2g, penetrant T-8g, Tween 80-8g, and the rest are replenished with distilled water 100g is added into a stirring container with a thermometer, heated to 60°C, mixed and stirred evenly to obtain 1...

Embodiment 2

[0033] Prepare according to the ratio of 1:7:12, take wolftoxin-0.1g, marigold-0.7g, rutin-1.2g, humic acid-0.2g, sesamin-0.2g, epoxidized vegetable oil-0.2g , Penetrant T-8g, Tween 80-8g, and the rest are made up to 100g with distilled water, put into a stirring container with a thermometer, heated to 60°C, mix and stir evenly, and obtain 100g of 2% botanical compound insecticide agent.

[0034] Dilute 2% plant insecticide 1000 times to prepare 2mg / L liquid medicine. Measure the toxicity to Plutella xylostella larvae with leaf residue method, indoor test result shows, the insecticidal effect to 3 instar Plutella xylostella larvae is 97.2% (24 hours) and 98.7% (48 hours), to 4 instar Plutella xylostella larvae The insecticidal effects were 90.3% (24 hours) and 95.1% (48 hours). Spray outdoors to prevent and control spider mite on greenhouse vegetables, and the control effects are 79.2% (the 3rd day after the drug), 87.7% (the 5th day after the drug), and 93.1% (the 7th day a...

Embodiment 3

[0036] According to the ratio of 1:5:14, take wolftoxin-0.1g, marigold-0.5g, rutin-1.4g, humic acid-0.2g, sesamin-0.2g, epoxidized vegetable oil-0.2g, Penetrant T-8g, Tween 80-8g, make up to 100g with distilled water, add to a stirring container with a thermometer, heat to 60°C, mix and stir evenly to obtain 100g of 2% compound insecticide.

[0037]2% plant insecticide is diluted 1000 times, is mixed with the liquid medicine of 2mg / L, measures the toxicity to diamondback moth larvae with leaf residue method, and indoor test result shows, the insecticidal effect to 3rd instar diamondback moth larvae is 96.4% (24 hours) and 97% (48 hours), and the insecticidal effect on 4th instar diamondback moth larvae is 98.1% (24 hours) and 94.7% (48 hours). Spray outdoors to prevent red spider mite on vegetables in the greenhouse. The control effects are 78.1% (the 3rd day after the medicine), 90.3% (the 5th day after the medicine), and 92.2% (the 7th day after the medicine).

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Abstract

The present invention relates to the recipe and preparation process of botanical composite pesticide for preventing and killing pests of crop. The effective components of the botanical composite pesticide are Langdu toxin, tagettin and rutarin.

Description

technical field [0001] The invention relates to a formula and a process of a botanical compound insecticide for preventing and controlling crop pests. The active ingredients are wolftoxin, tagetin and rutin. Background technique [0002] In recent years, although great progress has been made in the research and development of botanical pesticides in my country, there are still some problems on the whole, mainly manifested in: high cost, slow action, short duration of field effect, and repeated application Or mixed with other synthetic pesticides to achieve the expected prevention and control purposes; the drug stability is poor, the control effect of some botanical pesticide preparations is not stable in production and practical application, and is easily affected by environmental factors; there are not many varieties and types of botanical pesticides. [0003] According to the principle of "mutual cooperation and synergistic effect" between Chinese herbal medicines, the inve...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N65/00A01P7/04A01N43/16A01N65/36A01N65/08
Inventor 任承才王炜
Owner 北京天地绿园农业科学研究院
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