A kind of biocontrol bacteria and its application in the control of crop sheath blight

A technology for bio-control bacteria and crops, applied in the field of bio-control bacteria and in the field of crop sheath blight prevention and control, can solve problems such as environmental pollution and excessive pesticide residues, improve the micro-ecological environment for crop planting, do not pollute the environment, and is beneficial The effect of sustainable development

Active Publication Date: 2021-10-22
NANJING AGRICULTURAL UNIVERSITY
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, sheath blight is mainly prevented and controlled by chemical agents such as Jinggangmycin. However, the use of chemical agents has many disadvantages such as excessive pesticide residues and environmental pollution.

Method used

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  • A kind of biocontrol bacteria and its application in the control of crop sheath blight
  • A kind of biocontrol bacteria and its application in the control of crop sheath blight
  • A kind of biocontrol bacteria and its application in the control of crop sheath blight

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Embodiment Construction

[0021] The present invention will be further described below through specific embodiments, but the present invention is not limited to these specific embodiments.

[0022] The materials, reagents, etc. used in the following specific embodiments can be obtained from commercial sources unless otherwise specified. Those who do not indicate specific techniques or conditions, according to the techniques or conditions described in the literature in this field (for example, refer to the third edition of "Molecular Cloning Experiment Guide" translated by J. Sambrook et al., Huang Peitang et al., Science Press ) or follow the product manual.

[0023] One, the following introduces the operation process that the inventor of the present application isolates and screens to obtain the biocontrol bacteria ND11 (Bacillus pumilus (Bacillus pumilus)) CGMCC No.18423 of the present invention from the natural environment.

[0024] (1) Preliminary screening: Isolation of potential biocontrol bacte...

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Abstract

The invention relates to a biocontrol bacterium and its application in the prevention and treatment of crop sheath blight, belonging to the technical field of crop biological control; the biocontrol bacterium CGMCC No.18423 of the present invention can effectively prevent and control crop sheath blight, especially can effectively Compared with the chemical agents in the prior art, the prevention and treatment of rice sheath blight is non-toxic to humans and animals, does not pollute the environment, has no residue, and can also improve the micro-ecological environment for planting crops, which is conducive to the sustainable development of the ecological environment.

Description

technical field [0001] The invention relates to a biocontrol bacterium and its application in the prevention and treatment of crop sheath blight, and belongs to the technical field of crop biological control. Background technique [0002] Sheath blight is a plant disease caused by the infection of the fungus "Rhizoctonia solani" It is "rice". [0003] Rice sheath blight is one of the most common major diseases of rice. It often causes the grains to be unfulfilled, the rate of empty husks increases, and in serious cases can cause the plants to fall and die. It has the characteristics of wide disease area, high frequency, and great harm. The high and stable production of rice has brought huge obstacles, resulting in a 10% to 50% reduction in rice production. Its damage has surpassed rice blast and has become the first major disease in the main rice production areas in southern my country. [0004] Rice sheath blight may occur from the seedling stage to the heading and filling...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C12N1/20A01N63/22A01P3/00C12R1/07
CPCA01N63/00C12N1/205C12R2001/07A01N2300/00
Inventor 牛冬冬张华梦郑礼煜
Owner NANJING AGRICULTURAL UNIVERSITY
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