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A kind of lysobacterium with resistance to tobacco powdery mildew and its application

A technology for tobacco powdery mildew and lysobacteria, which can be applied in the application, bacteria, fungicides and other directions, and can solve problems such as unreported

Active Publication Date: 2019-03-29
YUNNAN REASCEND TOBACCO TECH GRP
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Problems solved by technology

However, there is no report on the inhibition of tobacco powdery mildew by Lysobacterium

Method used

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  • A kind of lysobacterium with resistance to tobacco powdery mildew and its application
  • A kind of lysobacterium with resistance to tobacco powdery mildew and its application
  • A kind of lysobacterium with resistance to tobacco powdery mildew and its application

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Embodiment Construction

[0014] The present invention adopts a strain of biocontrol bacterium isolated from the soil of the tobacco planting area in Chuxiong City, Yunnan Province—Erysibacter lysobacterium RS-Lyso-3 as the fermentation strain to measure the control effect of the pathogenic bacterium Erysibacter dispora of tobacco powdery mildew . Evaluate the control effect of powdery mildew Lysobacterium RS-Lyso-3 on tobacco K326 infested by powdery mildew by liquid fermentation and laboratory potting.

[0015] The lysobacterium of the present invention is named as powdery mildew lysobacterium (L.erysipheresistens) RS-Lyso-3, has been preserved, and the preservation unit is the General Microbiology Center of China Microbial Strain Preservation Management Committee, and the preservation date is February 4, 2015. The number is CGMCC No.10517.

[0016] 1. Identification of a new species RS-Lyso-3 of powdery mildew Lysobacterium

[0017] Colony morphology of powdery mildew Lysobacterium RS-Lyso-3: rod-...

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Abstract

A kind of lysobacteria new species with tobacco powdery mildew resistance and application thereof, described lysobacteria is named as powdery mildew lysobacteria (L.erysipheresistens) RS-Lyso-3, and this bacterial strain has been in China on February 4, 2015 It is deposited by the General Microbiology Center of the Microorganism Culture Collection Management Committee, and the deposit number is CGMCC No.10517. The powdery mildew Lysobacter RS-Lyso-3 is applied to the prevention and control of powdery mildew pathogenic bacteria of Tobacco powdery mildew. The invention provides a biocontrol bacterium capable of preventing and controlling Tobacco powdery mildew pathogenic bacterium bisporus powdery mildew, which is always safe and efficient, and provides a feasible biological control method for the prevention and control of tobacco powdery mildew.

Description

technical field [0001] The invention relates to the technical field of microorganisms, in particular to the technical field of lysobacteria with resistance to tobacco powdery mildew. Background technique [0002] Powdery mildew is named after microorganisms of the family Erysiphaceae that infect plants and produce a layer of "white powder" on their surfaces. The fungi of the powdery mildew family are plant obligate parasites, which are distributed all over the world and can infect a variety of plants. [0003] Powdery mildew infesting tobacco is caused by Erysiphecichoracearum DC. The disease mostly harms mature old leaves, and when it is severe, it harms young leaves, and the stems of diseased plants are also covered with white powder. After baking, the diseased leaves are as thin as paper, dark brown in color, and lose their economic value. It occurs in various smoking areas in China, and it is most common in South China, Southwest China and Central China. There are di...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C12N1/20A01N63/00A01P3/00C12R1/01
CPCA01N63/00C12N1/205C12R2001/01
Inventor 吴景强谢冰刘维娟林鑫吕春华陈云娇和忠宏张晓龙周丽娟子瑾
Owner YUNNAN REASCEND TOBACCO TECH GRP
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