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A kind of tobacco rhizosphere growth-promoting bacterium yc4 and its application

A rhizosphere growth-promoting bacteria, tobacco technology, applied in the field of microorganisms, to achieve the effect of improving utilization, promoting growth and development, and promoting absorption

Inactive Publication Date: 2018-04-17
HENAN AGRICULTURAL UNIVERSITY
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Problems solved by technology

Therefore, the isolation of rhizosphere growth-promoting bacteria from fluvo-aquic soil, and the formation of a symbiotic system with crops, and the use of bioremediation to improve fluvo-aquic soil has become a current research focus, but so far there have been no public reports on rhizosphere growth-promoting bacteria dedicated to tobacco

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  • A kind of tobacco rhizosphere growth-promoting bacterium yc4 and its application
  • A kind of tobacco rhizosphere growth-promoting bacterium yc4 and its application
  • A kind of tobacco rhizosphere growth-promoting bacterium yc4 and its application

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[0027] The specific implementation of the present invention will be described in detail below in combination with specific situations.

[0028] Preservation of biological materials: Tobacco rhizosphere growth-promoting bacteria YC4, classified as Bacillus flexus ( Bacillus flexus ), on October 31, 2014, was deposited in the General Microbiology Center of China Committee for Culture Collection of Microorganisms, the address is No. 3, Yard 1, Beichen West Road, Chaoyang District, Beijing, Institute of Microbiology, Chinese Academy of Sciences, and the preservation number is CGMCC No.9892.

[0029] Table 1 Basic properties of the tested soil

[0030] soil

Organic carbon (g / kg)

Total phosphorus (g / kg)

Available phosphorus (mg / kg)

Total Potassium (g / kg)

Available Potassium (mg / kg)

pH(H2O)

Alluvial soil

6.45

0.80

9.77

18.56

111.17

7.27

[0031] Table 2 Physiological and biochemical characteristics of YC4 strain ...

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Abstract

The present invention relates to tobacco rhizosphere growth-promoting bacterium YC4 and its application. The tobacco rhizosphere-promoting bacterium YC4 is classified as Bacillus flexus and was deposited in China Microbiology on October 31, 2014. The General Microorganism Center of the Culture Collection Management Committee, the preservation number is CGMCC No.9892, which can effectively solve the problem of converting insoluble potassium-containing silicates into soluble potassium salts, decomposing organic phosphorus, improving the utilization rate of fertilizers, and effectively used in the cultivation of tobacco , to promote the growth and yield of tobacco, is a major innovation in microorganisms and tobacco cultivation.

Description

technical field [0001] The invention relates to microorganisms, especially a tobacco rhizosphere growth-promoting bacterium YC4 and its application. Background technique [0002] Fluvo-aquic soil is the soil formed by river sediments affected by groundwater movement and farming activities. It is named after the night tide phenomenon. In China, it is mostly distributed in the alluvial plains of the middle and lower reaches of the Yellow River, the plains of Jiangsu and Anhui to the south, and the river, lake plains and deltas of the middle and lower reaches of the Yangtze River Basin. The distribution area of ​​fluvo-aquic soil is flat, with deep soil layer, abundant water and heat resources, and wide variety of seed production. It is the main dryland soil in my country and is rich in grain and cotton. However, the Huang-Huai-Hai Plain, where the fluvo-aquic soil is the largest, suffers from frequent droughts and floods, as well as saline-alkali hazards. In addition, soil nu...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C12N1/20A01N63/00A01P21/00C12R1/07
CPCA01N63/00C09K17/00C09K2101/00C12N1/205C12R2001/07
Inventor 姜瑛王朝明万兵兵汪强王献高红梅韩燕来李培培王祎李慧王慧荣杜铮杨先明李晨阳侯占领
Owner HENAN AGRICULTURAL UNIVERSITY
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