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Maize root growth-promoting bacterium YM6 and application thereof

A technology of rhizosphere growth-promoting bacteria and corn, which is applied in the field of agricultural microorganisms to promote the development of plant roots and increase the content of available phosphorus

Inactive Publication Date: 2015-04-29
ZHENGZHOU SEWAGE PURIFICATION
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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 bioremediation to improve fluvo-aquic soil have become current research hotspots. However, there have been no public reports on rhizosphere growth-promoting bacteria dedicated to corn.

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  • Maize root growth-promoting bacterium YM6 and application thereof
  • Maize root growth-promoting bacterium YM6 and application thereof
  • Maize root growth-promoting bacterium YM6 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 YM6, classified as Bacillus licheniformis ( Bacillus licheniformi s), 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.9899.

[0026] Table 1 Basic properties of the tested soil

[0027] soil Organic carbon (g / kg) Total phosphorus (g / kg) Available phosphorus (mg / kg) pH(H2O) Sandy fluvo-aquic soil 1.91 0.29 3.44 7.39

[0028] Table 2 Physiological and biochemical characteristics of YM6 strain

[0029] project result project result a + starch h...

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Abstract

The invention relates to relates to a maize root growth-promoting bacterium YM6 and application thereof. The maize root growth-promoting bacterium YM6 is classified and named as bacillus licheniformis, and collected in China General Microbiological Culture Collection Center on October 31, 2014, with the collection number of CGMCC No. 9899; the maize root growth-promoting bacterium YM6 is capable of effectively converting slightly soluble potassium-containing silicates into soluble potassium salts, decomposing organic phosphorus and increasing the utilization rate of fertilizers; the maize root growth-promoting bacterium YM6 is effectively applied to maize planting, and is capable of promoting the growth of the maze and increasing the maze yield, and is a great innovation in microorganisms and maize planting.

Description

technical field [0001] The invention relates to the field of agricultural microorganisms, in particular to a corn rhizosphere growth-promoting bacterium YM6 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): C12N1/20A01N63/00A01P21/00C12R1/10
CPCA01N63/00C12N1/205C12R2001/10
Inventor 黄林张许罗中玉葛庆胜刘晓丹于建华李雪曹瑞梅周鹏万晓瑞董海涛黄克毅
Owner ZHENGZHOU SEWAGE PURIFICATION
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