Corn growth-promoting rhizobacteria YM11 and application thereof

A rhizosphere growth-promoting bacteria and corn technology, applied in the field of agricultural microorganisms, to achieve high utilization rate, improve utilization rate, and promote absorption

Inactive Publication Date: 2015-04-29
ZHENGZHOU SEWAGE PURIFICATION
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Problems solved by technology

Therefore, the rhizosphere growth-promoting bacteria isolated from sandy fluvo-aquic soil, forming a symbiotic system with crops, and using bioremediation to improve sandy fluvo-aquic soil have become current research hotspots. However, no rhizosphere growth-promoting bacteria dedicated to corn have been seen so far. public reports of

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  • Corn growth-promoting rhizobacteria YM11 and application thereof
  • Corn growth-promoting rhizobacteria YM11 and application thereof
  • Corn growth-promoting rhizobacteria YM11 and application thereof

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Embodiment Construction

[0024] The specific implementation of the present invention will be described in detail below in combination with specific situations.

[0025] Preservation information of biological materials: rhizosphere growth-promoting bacteria YM11, classified as Bacillus cereus, was deposited in the General Microbiology Center of China Committee for the Collection of Microbial Cultures on October 31, 2014, and the address is Beichen, Chaoyang District, Beijing Institute of Microbiology, Chinese Academy of Sciences, No. 3, Yard No. 1, West Road. The collection number is CGMCC No.9900.

[0026] Table 1 Basic properties of the tested soil

[0027] 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

[0028] Table 2 Physiological and biochemical characteristics of YM11 strain

[0029] project result ...

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Abstract

The invention relates to corn growth-promoting rhizobacteria YM11 and application thereof. The corn growth-promoting rhizobacteria YM11 are classified and named Bacillus cereus and preserved in China General Microbiological Culture Collection Center on Oct.31, 2014 with the preservation number of CGMCC No.9900. The corn growth-promoting rhizobacteria YM11 can effectively convert insoluble potassium-bearing silicates into soluble sylvites and dissolve organic phosphorus to improve the utilization ratio of fertilizers, are effectively used for planting corns, can promote corn growth and improve the yield, and is a major innovation of microbes 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 YM11 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 ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12N1/20A01N63/00A01P21/00C12R1/085
CPCA01N63/00C12N1/205C12R2001/085Y02A40/10
Inventor 葛庆胜周鹏谭云飞黄林黄克毅高爱华张许曹瑞梅巫伟王阳刘晓丹于建华
Owner ZHENGZHOU SEWAGE PURIFICATION
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