Corn rhizosphere growth promoting bacteria YM3 and application thereof

A rhizosphere growth-promoting bacteria and corn technology, applied in the field of agricultural microorganisms, to achieve the effects of promoting growth and development, increasing yield, and high utilization rate

Inactive Publication Date: 2015-05-20
HENAN AGRICULTURAL UNIVERSITY
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Problems solved by technology

Therefore, the separation of rhizosphere growth-promoting bacteria from fluvo-aquic soil, and the formation of a symbiotic system with crops, and the use of bioremediatio

Method used

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  • Corn rhizosphere growth promoting bacteria YM3 and application thereof
  • Corn rhizosphere growth promoting bacteria YM3 and application thereof
  • Corn rhizosphere growth promoting bacteria YM3 and application thereof

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Embodiment Construction

[0023] The specific implementation of the present invention will be described in detail below in combination with specific situations.

[0024] Preservation information of biological materials: corn rhizosphere growth-promoting bacteria YM3, classified as Bacillus subtilis ( Bacillus subtilis ), on October 31, 2014, was deposited in the General Microbiology Center of the China Committee for the Collection of Microbial Cultures, the address is the Institute of Microbiology, Chinese Academy of Sciences, No. 3, No. 1, Beichen West Road, Chaoyang District, Beijing, and the preservation number is CGMCC No.9897.

[0025] soil Organic carbon (g / kg) Total phosphorus (g / kg) Available phosphorus (mg / kg) Total potassium (g / kg) Available Potassium (mg / kg) pH(H2O) Sandy fluvo-aquic soil 1.91 0.29 3.44 19.56 20.42 7.39

[0026] project result project result a + starch hydrolysis + Aerobic test facultative anaerobic gela...

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Abstract

The invention relates to corn rhizosphere growth promoting bacteria YM3 and application thereof. The corn rhizosphere growth promoting bacteria YM3 is classified and named bacillus subtilis, is preserved in the China General Microbiological Culture Collection Center on October 31, 2014, and has a preservation number of CGMCC No.9897. The corn rhizosphere growth promoting bacteria YM3 can be used for effectively solving the problems of converting insoluble potassium-containing silicate into soluble sylvite, decomposing organic phosphorus, improving fertilizer utilization for effectively planting of corn, promoting corn growth and improving yield, and is a great innovation on microorganisms and corn planting.

Description

technical field [0001] The invention relates to the field of agricultural microorganisms, in particular to a corn rhizosphere growth-promoting bacterium YM3 and its application. Background technique [0002] Sandy fluvo-aquic soil has strong permeability and good ventilation, and aerobic microbial activities are dominant, which can promote the decomposition of organic matter and accelerate the mineralization of organic matter. And the soil is loose and easy to cultivate. The capillary action of the soil is strong, the water runs fast, and there is a phenomenon of "night tide". The suitable tillage period is also long, and the seedlings are easy to stand; but the nutrient content is low, the fertilizer retention performance is poor, and the crops are prone to defertilization and premature aging in the later stage. At present, most of the soil has been used as arable land, and its utilization rate reaches 92.3%. Targeted improvement measures in the future: plant according t...

Claims

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Application Information

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IPC IPC(8): C12N1/20A01N63/00A01P21/00C09K17/00C12R1/125C09K101/00
CPCA01N63/00C12N1/205C12R2001/125
Inventor 韩燕来姜瑛汪强王献李培培王祎李慧
Owner HENAN AGRICULTURAL UNIVERSITY
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