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Method for controlling phyllotreta striolata fabricius through entomopathogenic nematodes

A technique for entomopathogenic nematodes and flea flea beetles, applied to devices for catching or killing insects, botanical equipment and methods, insecticides, etc., can solve problems such as overlapping generations, and achieve good and important insecticidal effects The effect of environmental protection and convenient use

Inactive Publication Date: 2017-01-11
浙江绿神天敌生物技术有限公司
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  • Abstract
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AI Technical Summary

Problems solved by technology

Overlapping generations due to longer lifespan of adults

Method used

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Embodiment Construction

[0020] The present invention is a method for preventing and treating flea beetle by entomopathogenic nematodes, the specific steps comprising:

[0021] Step 1, preparing entomopathogenic nematode suspension;

[0022] Step 2, preparing the control liquid, adding clothianidin liquid to the entomopathogenic nematode suspension to prepare the control liquid; the concentration of the entomopathogenic nematode suspension is 3.0×10 6 IJ / m 2 The control liquid consists of entomopathogenic nematode suspension and 100-fold diluted 48% clothianidin liquid.

[0023] Step 3. Determine the best control window period. Taking Zhejiang as an example, the best control window period starts from mid-April to late October every year. First, water the target plots to maintain soil moisture. When the soil humidity reaches 8%, nematodes The infectivity and activity of nematodes are the highest, and the low humidity will reduce the infectivity of nematodes. Apply the control liquid to make the contr...

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Abstract

The invention discloses a method for controlling phyllotreta striolata fabricius through entomopathogenic nematodes. The method is characterized by particularly comprising the steps that 1, an entomopathogenic nematode suspension is prepared; 2, a controlling chemical is prepared; 3, soil moisture is kept, and the controlling chemical is applied; 4, an insect-proof screen is arranged for blocking, and the controlling chemical is put on the insect-proof screen regularly. The method is a nuisanceless natural enemy organism controlling technology and has the advantages of being convenient to apply, high in host seeking capacity and effectiveness of infection to death, rapid in onset time, safe to people and livestock, natural enemies and environments and the like, the problem that at present, ordinary chemicals cannot control larvae of the phyllotreta striolata fabricius is broken through, high-toxic and high-residue chemical insecticide can be replaced, and both ecological significance and important environment protection significance are achieved.

Description

[0001] 【Technical field】 [0002] The invention relates to the technical field of biological control, in particular to the technical field of the method for controlling flea beetle by entomopathogenic nematodes. [0003] 【Background technique】 [0004] Flea flea beetle is a worldwide pest that harms cruciferous vegetables, and it spreads across all provinces in China. Especially in the south, the danger is serious. For the control of flea flea beetle, it has been relying on the control of chemical agents, mostly to control adults. Foliar application of pesticides cannot take care of larvae, pupae and eggs in the soil. Once the duration of the drug is over, the pupae will continue to emerge and emerge from the soil. Vegetable farmers can only increase the frequency of pesticide application and increase the dosage of pesticides, which leads to a decrease in the control effect of pesticides, and seriously pollutes the environment and reduces the quality of vegetables. Scholars ...

Claims

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Application Information

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IPC IPC(8): A01N63/00A01N51/00A01P7/04A01M1/10A01M17/00A01M99/00
CPCA01N63/00A01M1/10A01M17/00A01M99/00A01M2200/01A01N51/00A01N2300/00
Inventor 盛锡良钱种明王道泽陈瑞张斌夏博李飞
Owner 浙江绿神天敌生物技术有限公司
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