Biocontrol strain S07 for preventing and controlling cereal cyst nematode, method for preparing biocontrol fungicide and application of biocontrol fungicide

A technology for cereal cyst nematodes and wheat cyst nematodes, which is applied in the field of biocontrol strains for preventing and treating wheat cereal cyst nematodes, can solve problems such as shortage, and achieve the effects of increasing income, improving food quality, and improving control effects.

Inactive Publication Date: 2014-05-21
HENAN AGRICULTURAL UNIVERSITY
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Problems solved by technology

Due to the lack of disease-resistant (resistant) varieties and high-efficiency and low-toxicity chemical pesticides in production, the biological control of plant parasitic nematodes has received great attention

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  • Biocontrol strain S07 for preventing and controlling cereal cyst nematode, method for preparing biocontrol fungicide and application of biocontrol fungicide
  • Biocontrol strain S07 for preventing and controlling cereal cyst nematode, method for preparing biocontrol fungicide and application of biocontrol fungicide
  • Biocontrol strain S07 for preventing and controlling cereal cyst nematode, method for preparing biocontrol fungicide and application of biocontrol fungicide

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Embodiment Construction

[0017] A biocontrol strain S07 for controlling wheat cereal cyst nematode, named after classification: Streptomyces circulans, and Latin name: Streptomyces anulatus. Preservation unit: General Microbiology Center of China Committee for the Collection of Microbial Cultures, abbreviation of the preservation unit: CGMCC, address of the preservation unit: No. 3, Yard 1, Beichen West Road, Chaoyang District, Beijing, preservation date: December 23, 2013, and the preservation number is CGMCC NO.8630.

[0018] The method for preparing the biocontrol fungicide by the biocontrol strain S07 of preventing and treating wheat cereal cyst nematodes, S07 is cultured in a PDA culture solution at 28° C. and shaken at 160 rpm for 48-50 hours as a seed liquid culture medium, and then 2ml of seeds are taken The liquid culture medium is added to 250g wheat grain sand medium, and the described wheat grain sand medium is that the mass ratio of boiled wheat grain and fine sand is 3:1, 121 ℃ autoclave...

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Abstract

The invention discloses a biocontrol strain S07 for preventing and controlling cereal cyst nematode. The biocontrol strain S07 for preventing and controlling cereal cyst nematode is an annular streptomycete (Streptomyces annulatus), the preservation number of which is CGMCCNO: 8630. The biocontrol strain disclosed by the invention is the biocontrol strain specially developed for cereal cyst nematode. As the biocontrol strain is a bio-preparation, a series of problems caused by use of chemical pesticides are fully avoided, so that the biocontrol strain is beneficial to pollution-free production of wheat crops. The use level of other chemical pesticides can be reduced or other chemical pesticides are not used by farmers, thus not only drawing the expenditures of the farmers, but also enhancing the quality of grains. Indoor and field controlling experiments verify that the S07 fungicide has a good preventing and controlling effect on cereal cyst nematode. Meanwhile, the fungicide has the function of increase production and can increase income for the farmers.

Description

technical field [0001] The invention belongs to the field of plant protection, and discloses a biocontrol bacterial strain S07 for preventing and treating wheat cereal cyst nematodes and an application thereof. Background technique [0002] Cereal cyst nematodes (Cereal cyst nematode, CCN) belong to the class Nematodes, Cereal cyst nematodes, Heterodermaceae, Heteroderma genus, damage wheat, barley, oats, rye and other cereal crops and pastures, currently in my country Two pathogens, Heterodera avenae and Heteradera filipjevi, have been found on wheat, which seriously threaten my country's food safety production. Due to the lack of disease-resistant (resistant) varieties and high-efficiency and low-toxicity chemical pesticides in production, the biological control of plant parasitic nematodes has attracted great attention. [0003] When people isolated the biological control factors of plant parasitic nematodes, it was found that the isolation frequency of actinomycetes was ...

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Application Information

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IPC IPC(8): C12N1/20A01N63/00A01P5/00A01P21/00C12R1/465
Inventor 李洪连张洁付博李永辉袁虹霞石颖斐
Owner HENAN AGRICULTURAL UNIVERSITY
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