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Mixed plant source insecticide

A botanical insecticide, mixing technology, applied in the field of pesticides, can solve the problems of large environmental impact, short residual effect period, slow drug effect, etc., achieve good environmental compatibility, reduce the dosage of pesticides, and reduce the cost of control Effect

Inactive Publication Date: 2008-12-10
郭建康
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] With the enhancement of people's awareness of environmental protection, the inherent limitations of chemical pesticides have become increasingly prominent, and the development of environmentally friendly pesticides has attracted much attention. The development of pollution-free pesticides has become an important trend in the sustainable development of agriculture; However, it is difficult to be generally accepted by the market and meet the needs of agricultural production development because of its slow effect, short residual effect period, or narrow insecticidal spectrum, or is greatly affected by the environment.

Method used

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  • Mixed plant source insecticide

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] Example 1: Preparation of 1.8% rotenone-nicotine microemulsion (the following components are all percentages by weight)

[0015] Rotenone 0.5%

[0016] Nicotine 1.3%

[0017] Synergist 4.5%

[0018] Emulsifier 10%

[0019] Solvent 4%

[0020] Co-solvent 0.8%

[0021] Stabilizer 12%

[0022] Antifreeze 1.5%

[0023] Deionized water 65.4%

[0024] After the above-mentioned active ingredient raw materials are mixed according to the weight percentage, the microemulsion insecticide is prepared according to the conventional process for preparing the pesticide dosage form.

Embodiment 2

[0025] Example 2: Preparation of 3% rotenone-nicotine microemulsion (the following components are all percentages by weight)

[0026] Rotenone 1.2%

[0027] Nicotine 1.8%

[0028] Synergist 4.5%

[0029] Emulsifier 10%

[0030] Solvent 4%

[0031] Co-solvent 0.8%

[0032] Stabilizer 10%

[0033] Antifreeze 1.5%

[0034] Deionized water 66.2%

[0035] After the above-mentioned active ingredient raw materials are mixed according to the weight percentage, the microemulsion insecticide is prepared according to the conventional process for preparing the pesticide dosage form.

Embodiment 3

[0036] Embodiment 3: Preparation of 4.5% rotenone-nicotine microemulsion (the following components are all percentages by weight)

[0037] Rotenone 2%

[0038] Nicotine 2.5%

[0039] Synergist 4%

[0040] Emulsifier 12%

[0041] Solvent 5%

[0042] Co-solvent 1%

[0043] Stabilizer 10%

[0044] Antifreeze 1.5%

[0045] Ionized water 62%

[0046] After the above-mentioned active ingredient raw materials are mixed according to the weight percentage, the microemulsion insecticide is prepared according to the conventional process for preparing the pesticide dosage form.

[0047] Test the toxicity of mixed preparation of the present invention and single-dose pesticide to the cabbage with laboratory bioassay method, and evaluate its synergistic effect with co-toxicity coefficient, operating method is as follows:

[0048] Insects tested: Xiaocai'e. Xiaocai'e are old or pupae, collected from the field, and reared with cabbage leaves in the insect culture room until the third ...

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Abstract

The invention discloses a preparation which is mixed by active composition of the plant source: rotenone and nicotine, belonging to the field of bio-pesticide. After being mixed, the rotenone and the nicotine have obvious synergistic action and overcome the shortages such as slow effect, short residual duration or narrow insecticidal spectrum or being greatly affected by the environment, and the like, of general bio-pesticide; the mixed preparation enlarges the control range of the preparation and the control spectrum; due to different mechanisms of two main agents, the pest is not easy to generate the resistance, thus delaying the pest resistance to insecticides; under the synergistic action of the mixed preparation, the actions of contact poison and stomach poisoning are obvious; the control effect is improved, the residual duration of the preparation is prolonged, the dosage of the preparation and the control cost are reduced; furthermore, the selected main preparation is the active composition of the plant source, thus having good environment compatibility, safety and no public harms.

Description

technical field [0001] The invention belongs to the field of pesticides, in particular to a compounding of plant source rotenone and nicotine and its application as an insecticide. Background technique [0002] With the enhancement of people's awareness of environmental protection, the inherent limitations of chemical pesticides have become increasingly prominent, and the development of environmentally friendly pesticides has attracted much attention. The development of pollution-free pesticides has become an important trend in the sustainable development of agriculture; Slow effect, short residual effect period, or narrow insecticidal spectrum, or are greatly affected by the environment, etc., so it is difficult to be generally accepted by the market and meet the needs of agricultural production development. [0003] The mixing of botanical active ingredients with synergistic effects is an important research and development topic in the industry, because it can overcome the...

Claims

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Application Information

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IPC IPC(8): A01N43/90A01N43/40A01N25/04A01P7/00
Inventor 郭建康
Owner 郭建康
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