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Fusarium oxysporum sweet potato specialized form nonpathogenic mutant strain

A technology of Fusarium oxysporum and mutant strains, applied in the directions of fungi, fungicides, biochemical equipment and methods, etc., to achieve the effect of reducing the incidence rate

Inactive Publication Date: 2017-05-24
CROP RES INST OF FUJIAN ACAD OF AGRI SCI
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

The most important control method used in the existing sweet potato production is to breed disease-resistant varieties, but it is always difficult to combine excellent production traits with disease-resistant traits in actual breeding, such as the "90 Days Early" planted on a large scale in Liancheng, Fujian , "Rock potato 7-3" is not resistant to potato cutting disease, and other measures such as pesticides are needed to prevent and control sweet potato cutting disease

Method used

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  • Fusarium oxysporum sweet potato specialized form nonpathogenic mutant strain
  • Fusarium oxysporum sweet potato specialized form nonpathogenic mutant strain
  • Fusarium oxysporum sweet potato specialized form nonpathogenic mutant strain

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Embodiment Construction

[0012] Strain preservation

[0013] The biocontrol strain Fusarium oxysporum f.sp.batatas MG50-5 (Fusarium oxysporum f.sp.batatas MG50-5), a non-pathogenic mutant strain of Fusarium oxysporum sweet potato specialization in the present invention, was preserved in the China Type Culture Collection Center on August 29, 2016 (CCTCC), the address is Luojia Mountain, Bayi Road, Wuchang District, Wuhan City, Hubei Province, and the deposit number is CCTCC M 2016433.

[0014] Tested strain: Fusarium oxysporum f.sp.batatas MG (Fusarium oxysporum f.sp.batatasMG), preserved in China Center for Type Culture Collection (CCTCC) on August 29, 2016, the address is Wuchang, Wuhan City, Hubei Province Luojia Mountain, Bayi Road, District, the preservation number is CCTCC M 2016432.

[0015] The specific preparation method of Fusarium oxysporum sweet potato specialized non-pathogenic mutant strain MG50-5 is as follows:

[0016] 1.1 Test material

[0017] The newly planted flowers of sweet pot...

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Abstract

The invention provides a fusarium oxysporum sweet potato specialized form nonpathogenic mutant strain which is a fusarium oxysporum sweet potato specialized form nonpathogenic mutant strain MG50-5 (Fusarium oxysporum f.sp.batatas MG50-5), and is collected in the China Center for Type Culture Collection on August 29, 2016, with the collection number of CCTCC M 2016433.

Description

technical field [0001] The invention specifically relates to a sweet potato specialized non-pathogenic mutant strain of Fusarium oxysporum. Background technique [0002] Sweet potato vine cutting disease is a vascular fungal disease of sweet potato caused by Fusarium oxysporum f.sp.batatas. The disease is mainly distributed in the southeast coastal provinces in China, and the harm is the most serious in Zhejiang and Fujian. It can generally reduce the yield of sweet potato by 10% to 20%, and the severe one can reach 50%. The most important control method used in the existing sweet potato production is to breed disease-resistant varieties, but it is always difficult to combine excellent production traits with disease-resistant traits in actual breeding, such as the "90 Days Early" planted on a large scale in Liancheng, Fujian , "Rock potato 7-3" is not resistant to potato cutting disease, and other measures such as pesticides are needed to prevent and control sweet potato vi...

Claims

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Application Information

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IPC IPC(8): C12N1/14A01P3/00C12R1/77
CPCC12N1/145C12R2001/77
Inventor 张鸿汤浩邱永祥李华伟林赵淼李国良许泳清林志坚刘中华纪荣昌罗文彬邱思鑫余华
Owner CROP RES INST OF FUJIAN ACAD OF AGRI SCI