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Lysobacter capsici having erysiphe cichoracearum resistance and application of lysobacter capsici

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: 2016-08-24
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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  • Lysobacter capsici having erysiphe cichoracearum resistance and application of lysobacter capsici
  • Lysobacter capsici having erysiphe cichoracearum resistance and application of lysobacter capsici
  • Lysobacter capsici having erysiphe cichoracearum resistance and application of lysobacter capsici

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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

The invention discloses a novel species of lysobacter capsici having erysiphe cichoracearum resistance and an application of lysobacter capsici. The lysobacter capsici is named as L. erysipheresistens RS-Lyso-3; and the strain is preserved in China General Microbiological Culture Collection Center on February 4, 2015 with preservation number of CGMCC No.10517. The L. erysipheresistens RS-Lyso-3 is applied to prevention and control of pathogenic bacterium, namely erysiphe cichoracearum DC, of erysiphe cichoracearum. According to the invention, a biocontrol agent, which can be always used for preventing and controlling the pathogenic bacterium, namely erysiphe cichoracearum DC, of the erysiphe cichoracearum safely and efficiently; therefore, a feasible biocontrol method is provided for the prevention and control the erysiphe cichoracearum.

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 Applications(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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