Method for preventing tobacco root-knot nematode by using entomopathogenic nematode dead body agent

A technology for entomopathogenic nematodes and tobacco root-knot nematodes, applied in the field of biological control of tobacco pests and diseases, can solve problems such as threats to human health and ecological environment damage, and achieve the effects of convenient storage, high safety, and long control period

Inactive Publication Date: 2015-09-09
YUXI TABACOO COMPANY OF YUNNAN PROVINCE +1
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0003] In order to solve a series of problems such as the destruction of the ecological environment and threats to human health when chemical control of the existing tobacco root-knot nematode is a

Method used

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  • Method for preventing tobacco root-knot nematode by using entomopathogenic nematode dead body agent

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Embodiment Construction

[0018] The invention relates to a method for controlling root-knot nematode of flue-cured tobacco by adopting the dead agent of the entomopathogenic nematode of the family Steineridae, wherein the Latin name of the entomopathogenic nematode of the family Steineridae is S. carpocapsae , referred to as EPN, the present invention comprises the following sequential steps:

[0019] 1. Preparation of entomopathogenic nematode nematodes

[0020] Trapping entomopathogenic nematodes: Take soil from the field to the laboratory, and put 4-5 mature larvae of the greater wax moth into the soil. The Latin name of the greater wax moth is Galleria mellonella , Let the entomopathogenic nematodes in the soil automatically infect the wax moth for a week, pay attention to turning the mixture of the soil and the wax moth during the period, and manually peel the cocoons every day, because the wax moth spins silk at any time to protect itself , after the death of the wax moth, the dead body of the...

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Abstract

Provided is a method for preventing tobacco root-knot nematode by using an entomopathogenic nematode dead body agent, which belongs to the technical field of biological prevention and control of tobacco disease insect pests. The problem that conventional tobacco root-knot nematode causes destruction of the ecological environment when chemical prevention is adopted is solved. The method comprises the following step of putting the entomopathogenic nematode dead body agent at roots of tobacco seedlings when the tobacco seedlings are transplanted, to allow entomopathogenic nematode to be slowly released from the entomopathogenic nematode dead body agent, so that the tobacco root-knot nematode is prevented. The entomopathogenic nematode dead body agent is galleria mellonella dead bodies infected by entomopathogenic nematode. According to the invention, the method can replace chemical pesticides to prevent tobacco root-knot nematode, is ecological and environment-friendly, and is high in security.

Description

technical field [0001] The invention belongs to the technical field of biological control of tobacco diseases and insect pests, in particular to a method for preventing and controlling tobacco root-knot nematodes. Background technique [0002] Root-knot nematode is an important plant parasitic nematode. It has a wide range of hosts and strong reproductive and adaptive capabilities. It occurs all over the world. In recent years, the occurrence of root-knot nematodes in tobacco has a serious tendency. At present, chemical control is mostly used in production. Chemical control will produce a series of negative effects such as ecological environment damage and human health threats. At present, some pesticides have been banned due to their high toxicity. Therefore, people turn their attention to biological control, which has the advantages of less environmental pollution, no harm to human body, maintenance of ecological balance, and continuous efficacy. Contents of the inventio...

Claims

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Application Information

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IPC IPC(8): A01N63/02A01P5/00
Inventor 谷星慧张立猛计思贵徐冰吴林林赵念席阮维斌赵进龙崔永和沙传平
Owner YUXI TABACOO COMPANY OF YUNNAN PROVINCE
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