Maize growth-promoting rhizobacteria YM4 and application thereof

A rhizosphere growth-promoting bacteria and corn technology, applied in the field of agricultural microorganisms, can solve the problems of no public reports of corn rhizosphere growth-promoting bacteria, achieve high utilization rate, increase yield, and promote growth and development

Inactive Publication Date: 2015-05-20
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 bior...

Method used

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  • Maize growth-promoting rhizobacteria YM4 and application thereof
  • Maize growth-promoting rhizobacteria YM4 and application thereof
  • Maize growth-promoting rhizobacteria YM4 and application thereof

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Embodiment Construction

[0026] The specific implementation of the present invention will be described in detail below in combination with specific situations.

[0027] Biological Material Deposit Information

[0028] Rhizosphere growth-promoting bacteria YM4, classified as Bacillus pumilus, was preserved in the General Microbiology Center of China Committee for the Collection of Microbial Cultures on October 31, 2014, and the address is No. 1, Beichen West Road, Chaoyang District, Beijing. No. Institute of Microbiology, Chinese Academy of Sciences, and the preservation number is CGMCC No.9898.

[0029] soil Organic carbon (g / kg) Total phosphorus (g / kg) Available phosphorus (mg / kg) Total potassium (g / kg) Available Potassium (mg / kg) pH(H 2 O) Sandy fluvo-aquic soil 1.91 0.29 3.44 19.56 20.42 7.39

[0030] project result project result s + starch hydrolysis + Aerobic test facultative anaerobic gelatin liquefaction + contact...

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Abstract

The invention relates to maize growth-promoting rhizobacteria YM4 and an application thereof. The maize growth-promoting rhizobacteria are the maize growth-promoting rhizobacteria YM4, and are classified to be named as Bacillus pumilus; the maize growth-promoting rhizobacteria YM4 are collected in the General Microbiological Center of China Committee for Culture Collection of Microorganisms on October 31, 2014, and a collection number of the maize growth-promoting rhizobacteria YM4 is CGMCC No.9898; by adopting the maize growth-promoting rhizobacteria YM4, the problem of converting difficultly-soluble potassium-containing silicate into soluble potassium salt can be effectively solved, organic phosphorus can be degraded, and the utilization rate of fertilizers can be improved; and the maize growth-promoting rhizobacteria YM4 can be effectively applied to the planting of maize, can be used for promoting the growth of maize and improving the yield, and is a great innovation of microorganism and maize planting.

Description

technical field [0001] The invention relates to agricultural microorganisms, in particular to a corn rhizosphere growth-promoting bacterium YM4 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 to the soil, r...

Claims

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Application Information

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IPC IPC(8): C12N1/20A01N63/00A01P21/00C12R1/07
CPCA01N63/00C12N1/205C12R2001/07
Inventor 姜瑛吴越汪强韩燕来王祎李培培李慧王慧荣杜铮杨先明李晨阳侯占领
Owner HENAN AGRICULTURAL UNIVERSITY
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