Endophytic fungi CEF-193 of cotton and application thereof

A technology of CEF-193 and endophytic fungi, applied to endophytic fungus CEF-193 and its application fields, can solve the problems of poor cotton verticillium wilt effect, achieve good induction of immunity, and be conducive to mass reproduction and popularization and application Effect
CN103897992AActive Publication Date: 2014-07-02INST OF COTTON RES CHINESE ACAD OF AGRI SCI
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
INST OF COTTON RES CHINESE ACAD OF AGRI SCI
Publication Date
2014-07-02

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Abstract

The invention relates to phytopathology, and particularly relates to endophytic fungi CEF-193 of cotton and application thereof. The bacterial strain CEF-193 (Acremonium alternatum) with a significant induced immune function on cotton verticillium wilt is obtained from the endophytic fungi of the cotton by separation, screening, identifying and biological assay of a greenhouse, the preservation number is CGMCC No.8302, and CEF-193 can be cultivated on an artificial medium, and is easily obtained and cultivated. Thus, industrialized production and popularization and application are facilitated. An indoor bacteriostatic test shows that the control effect on greensickness is good, verticillium dahlia is inoculated 4 days after the CEF-193 is firstly inoculated, the prevention and control effect on the cotton verticillium wilt achieves 74.1%, and the endophytic fungi CEF-193 have significant control action on the greensickness. Compared with the bacillus subtilis mainly applied to production, the prevention and control effect is improved by about 40%, and the endophytic fungi CEF-193 are safe on people and livestock, insects and crops, and friendly to environment.
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Description

technical field

[0001] The present invention relates to plant pathology, in particular to cotton endophytic fungus CEF-193 and its application. Background technique

[0002] Verticillium dahliae caused by Verticillium dahliae is one of the important diseases of cotton worldwide. Due to the lack of truly effective disease-resistant varieties or the resistance of disease-resistant varieties is easily lost, the most economical and effective control measures cannot play its leading role. Since the 1990s, the disease has become a disaster in major cotton areas in my country, with an annual occurrence area of ​​about 3 million hectares and a loss of about 100 million kilograms of lint, which has become one of the main limiting factors for the development of cotton production. Due to the difficulty of crop rotation, the lack of disease-resistant varieties, the poor control effect of chemical agents, and the lack of pesticides with good control effects, the current production of Ve...

Claims

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