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A kind of insecticide for controlling plant aphids and its preparation and application

A technique for insecticides and aphids, which is applied in the field of preparations containing tert-butylphenol compounds to control plant aphids and its preparation and application. It can solve the problems that no tert-butylphenol compound insecticides have been found, and the method is simple Easy to use, easy to source, and low toxicity

Inactive Publication Date: 2017-03-15
SHANGHAI JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] But so far, there is no report that tert-butylphenol compounds are used to control plant aphid insecticides

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Weigh respectively p-tert-butylphenol (5%), 2,4-di-tert-butylphenol (15%), 2,6-di-tert-butylphenol (30%), 2-tert-butylphenol (30% ), 2,4,6-tri-tert-butylphenol (20%), a total of 36g, dissolved in 9.4g ethyl acetate solution, added 4.3g Tween, dissolved, according to the conventional process, the insecticide of the present invention was made, Then add water to dilute the prepared insecticide so that the concentration of the bulk drug is 5%. Finally, the diluted insecticide was tested for indoor biological activity on aphids, and the method was carried out according to the aphid stem dipping method in the Bioassay SOP of the National Southern Pesticide Innovation Center. After 24 hours, the number of dead and alive insects in each treatment was investigated, and the control effect was 82.8%.

Embodiment 2

[0021] Weigh respectively p-tert-butylphenol (40%), 2,4-di-tert-butylphenol (5%), 2,6-di-tert-butylphenol (15%), 2-tert-butylphenol (15% ), 2,4,6-tri-tert-butylphenol (25%), a total of 64g, dissolved in 19g ethanol, adding 9.9g of emulsifier etc., according to the conventional process, making the insecticide of the present invention, and then Add water to dilute the prepared insecticide, so that the concentration of the bulk drug is 8%. Finally, the diluted insecticide was tested for indoor biological activity on aphids, and the method was carried out according to the aphid stem dipping method in the Bioassay SOP of the National Southern Pesticide Innovation Center. After 24 hours, the number of dead and alive insects in each treatment was investigated, and the control effect was 91.4%.

Embodiment 3

[0023] Weigh respectively p-tert-butylphenol (20%), 2,4-di-tert-butylphenol (30%), 2,6-di-tert-butylphenol (5%), 2-tert-butylphenol (30% ), 2,4,6-tri-tert-butylphenol (15%), 102g in total, dissolve with 54g acetone, add emulsifier Span etc. 50g therein, according to conventional process, make insecticide of the present invention, then in The prepared insecticide is diluted with water so that the concentration of the raw material drug is 1.1%. Finally, the diluted insecticide was used to test the aphids by indoor potting method, and the mortality rate was counted after 24 hours, and the control effect was 76.2%.

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PUM

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Abstract

The invention provides a pesticide for controlling plant aphids, and a preparation method and an application thereof. The pesticide is composed of a tert-butylphenol compound and conventional auxiliary materials. The mass of the tert-butylphenol compound accounts for 0.05-99% of the mass of the pesticide, and the mass of the conventional auxiliary agents accounts for 1-99.95%. The tert-butylphenol compound comprises the following components, by weight: 5-40% of p-tert-butylphenol, 5-30% of 2,4-di-tert-butylphenol, 5-30% of 2,6-di-tert-butylphenol, 5-30% of 2-tert-butylphenol, and 2-25% of 2,4,6-tri-tert-butylphenol. The invention provides the novel harmonious pesticide which is safe to human and livestock and is environment-friendly. The invention has great significances in ecological environment protection, human health and disease comprehensive control.

Description

technical field [0001] The invention relates to a preparation in the technical field of agricultural insecticides and a preparation method thereof, in particular to a preparation containing tert-butylphenol compounds for controlling plant aphids and its preparation and application. Background technique [0002] Aphids are a class of herbivorous insects that are among the most destructive pests on Earth. It is widely distributed worldwide, but mainly concentrated in temperate regions. Adult aphids or nymphs cluster on the back of plant leaves, tender stems, growth points and flowers, and suck the juice of plants with needle-like puncture-sucking mouthparts, causing cells to be damaged, growth unbalanced, leaves curled and shrunk to the back, and heart leaves Growth is hindered, and in severe cases, the plants stop growing, and even the whole plant wilts and dies, and the saliva of aphids is also toxic to plants. At present, people generally use chemical pesticides such as p...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N31/08A01P7/04
Inventor 代光辉陈义娟
Owner SHANGHAI JIAOTONG UNIV