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Bacillus aryabhattai and application thereof in preventing and treating tobacco black shank

A technology of Bacillus arborii and tobacco black shank, which is applied in the field of microbiology, achieves a safe environment and a significant effect of prevention and control

Inactive Publication Date: 2015-06-17
YUNNAN TOBACCO CORP QUJING BRANCH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are few studies on the inhibition of plant diseases by Bacillus arborii, and there are few reports on the use of Bacillus arborii to induce black shank disease resistance in tobacco leaves or to inhibit black shank disease in tobacco leaves

Method used

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  • Bacillus aryabhattai and application thereof in preventing and treating tobacco black shank
  • Bacillus aryabhattai and application thereof in preventing and treating tobacco black shank
  • Bacillus aryabhattai and application thereof in preventing and treating tobacco black shank

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Embodiment Construction

[0015] The present invention adopts the endophytic bacterium-bacillus arborii J-6 isolated from breviscapine yunnanensis as a fermentation strain to measure the control effect of tobacco black shank. It uses LB liquid medium as raw material, through liquid state fermentation, combined with laboratory, outdoor pot planting and field experiments, to evaluate the resistance effect of strain J-6 on inducing tobacco strains to produce tobacco black shank.

[0016] The Bacillus aryabhattai of the present invention is named Bacillus aryabhattai J-6 (Bacillus aryabhattai J-6), which has been preserved in a depository institution. The name of the depository institution is: China Center for Typical Culture Collection, referred to as CCTCC, and the preservation date is October 2013. On March 17, the deposit number is CCTCC NO: M2013475.

[0017] 1. Identification of Bacillus arborii J-6 strain

[0018] Morphological characteristics of the colony of Bacillus arborii strain J-6: the colon...

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Abstract

The invention provides bacillus aryabhattai and an application thereof in preventing and treating tobacco black shank. The bacillus aryabhattai provided by the invention is named as bacillus aryabhattai J-6, and has been collected in a collection unit; the name of the collection unit is China Center for Type Culture Collection, CCTCC for short; the collection date is October 17, 2013; the collection number is CCTCC NO: M2013475. The bacillus aryabhattai J-6 is applied to preventing and treating the tobacco black shank. The bacillus aryabhattai provided by the invention is safe to human, livestock and crops, and friendly to the environment, and also has an obvious effect preventing and treating the tobacco black shank.

Description

technical field [0001] The invention relates to the technical field of microorganisms, in particular to a microbial strain with better ability to prevent and treat tobacco black shank and its application in preventing and treating tobacco black shank. Background technique [0002] Tobacco is one of the important economic crops in my country. Black shank is one of the most serious diseases in tobacco production, and the economic loss caused by black shank is more than 100 million yuan every year. Tobacco black shank is caused by Phytophthora parasitca var.nicotianae Tucker, which mainly manifests as tobacco dwarfing, wilting, yellowing of leaves, necrosis of roots and stem bases, with an average incidence of 5% to 14 %, and in severe cases, the loss can reach 75%, or even no harvest. At present, chemical control is mainly used for the disease, and the comprehensive control method is supplemented by disease-resistant varieties and cultivation measures. Due to the long-term u...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C12N1/20A01N63/00A01P3/00C12R1/07
Inventor 李祖红曾嵘赖泳红张拯研高华锋林选知张瑞勤
Owner YUNNAN TOBACCO CORP QUJING BRANCH
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