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Biological pesticide and method for controlling aphid on vegetable crops

A bio-pesticide and crop technology, applied in the fields of botanical equipment and methods, insecticides, biocides, etc., can solve the problems of vegetable crop loss, pollution of soil environment, excessive pesticide residues, etc., achieving low price, good control effect, The effect of simple control methods

Inactive Publication Date: 2014-06-25
SOUTH SUBTROPICAL CROPS RES INST CHINESE ACAD OF TROPICAL AGRI SCI
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

Aphids are also carriers of various viral diseases of vegetable crops, which can cause catastrophic losses to vegetable crops if not properly controlled
[0003] At present, the method of spraying chemical pesticides is mostly used to control aphids in production, and the price is relatively high.
After repeated spraying, aphids may develop resistance to pesticides, affecting the control effect; and repeated spraying of chemical pesticides may lead to excessive pesticide residues and pollute the soil environment

Method used

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  • Biological pesticide and method for controlling aphid on vegetable crops

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Comparison scheme
Effect test

Embodiment 1

[0014] According to the biological pesticide preparation method of the aphids on the control vegetable crops of the present invention is as follows:

[0015] A preparation of garlic stock solution: take 100g of fresh garlic plants, wash and mash them thoroughly, add 200g of water, stir and filter to obtain.

[0016] Preparation of B pepper water: 100g of sun-dried red hot pepper, or 500g of fresh Chaotian pepper, boiled with 1kg of water for 30 minutes, and the filtered pepper water is set aside.

[0017] Follow V A :V B = 1:3-5 volume ratio to make garlic and pepper water stock solution, and dilute with water according to the required dilution multiple to obtain biopesticide.

[0018] Control effect test method: select fresh, clean and uncontaminated vegetable leaves, put 200 live aphids of the same size on each leaf, and place the leaves with aphids in different petri dishes to prevent the aphids from escaping. After spraying the treatment solutions in Table 1 on the leav...

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PUM

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Abstract

The invention relates to a biological pesticide and a method for controlling aphid on vegetable crops. The biological pesticide is prepared from an aqueous solution of garlic and pepper, wherein the aqueous solution of garlic and pepper is formed by diluting a stock solution of garlic and pepper liquid for 45-55 times by using water; the stock solution of garlic and pepper liquid consists of a garlic stock solution and pepper spray according to a volume ratio of 1:(3-5). The control method is simple, practical, low in cost, safe, low in production cost and good in control effect.

Description

technical field [0001] The invention relates to a biological pesticide and a method for preventing and controlling aphids on vegetable crops, belonging to the field of botanical biological pesticides. Background technique [0002] The aphids that harm vegetable crops mainly include: Myzus persicae Sulzer (Myzus persicae Sulzer), radish aphid (Lipaphis erysimi Kaltenbach), cabbage aphid (Brevicoryne brassicae L.), Bean aphid (also known as alfalfa aphid) (Aphis craccivora Koch) and melon aphid (also known as cotton aphid) (A. gossypiiGlover). These aphids are widely distributed and have many hosts. Their adults and larvae suck the juice of host shoots, young leaves, and flower buds, causing them to lose chlorosis, shrink, and twist; the honeydew they excrete can cause soot. Aphids are also carriers of various viral diseases of vegetable crops, and if not properly controlled, they will cause catastrophic losses to vegetable crops. [0003] At present, the method of spraying ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N65/42A01P7/04
CPCY02A50/30
Inventor 吕玲玲谢江辉李威
Owner SOUTH SUBTROPICAL CROPS RES INST CHINESE ACAD OF TROPICAL AGRI SCI
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