Trichoderma viride strain and application of metabolites thereof

A technology of Trichoderma viride and strain, applied in the field of microorganisms and agriculture, can solve the problems of unsatisfactory antagonistic effect and high cost, and achieve the effect of reducing aflatoxin pollution
CN102168019AInactive Publication Date: 2011-08-31CROP RES INST GUANGDONG ACAD OF AGRI SCI
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
CROP RES INST GUANGDONG ACAD OF AGRI SCI
Publication Date
2011-08-31
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses a trichoderma viride strain and application of metabolites thereof and belongs to the field of microorganisms and agriculture. The trichoderma viride strain has the effective antagonistic action on growth of aspergillus flavus, the name of trichoderma viride strain is the trichoderma viride GZ101 which was collected in China Center for Type Culture Collection on Nov. 4th, 2010, and the collection number is CCTCC NO: M 2010291. When the supernatant obtained by fermenting the trichoderma viride strain in the potato-dextrose agar (PDA) liquid culture medium is sprayed in the soil where peanuts are planted, the aflatoxin pollution before the peanut harvest can be effectively reduced, and the reducing rate reaches 97 percent, so that the metabolites of the trichoderma viride strain can be used for preparing a preparation for reducing the aflatoxin pollution before the peanut harvest.
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Description

technical field

[0001] The invention particularly relates to the application of a Trichoderma viridans strain and its metabolites, and belongs to the field of microorganisms and agriculture. Background technique

[0002] Peanut (Arachis hypogaea L.) is an important oilseed and economic crop in my country. Its planting area and total production rank first in the world, and it has strong international competitiveness. For a long time, peanuts are particularly susceptible to aflatoxin contamination. The contaminated peanuts not only greatly reduce the yield and quality, but also seriously threaten human life and health. Therefore, how to reasonably and effectively prevent peanuts from aflatoxin contamination is an important way to improve peanut export trade. important question.

[0003] Aspergillus flavus exists in moldy peanuts. In the later stage of growth, Aspergillus flavus produces secondary metabolites, aflatoxins, which can cause toxic damage to tissues and organs of h...

Claims

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