Bacillus altitudinis with potassium-dissolving effect and use of bacillus altitudinis

A technology of Bacillus alpinus and potassium decomposing, which is applied in the direction of application, chemicals and bacteria for biological control, to achieve the effect of promoting germination, promoting growth and improving root length
CN112322518AActive Publication Date: 2021-02-05SOUTH CHINA AGRI UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
SOUTH CHINA AGRI UNIV
Publication Date
2021-02-05

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Abstract

The present invention particularly discloses a bacillus altitudinis YC602 strain and use of the bacillus altitudinis YC602 strain. The preservation number of the bacillus altitudinis YC602 strain is GDMCC No.61221. The potassium-dissolving bacterium YC602 is separated from rhizosphere soil of potatoes in Huizhou city in Guangdong province. The bacillus altitudinis is preliminarily identified by adopting a 16SrRNA and a rpob sequence analysis method. The bacteria can dissolve insoluble potassium feldspar, improve germination of plant seeds and growth of root systems, and promote growth of plants. Besides, the strain has a function of producing auxin (IAA), has remarkable resistance to Cu (II), Cd (II), Zn (II) and Al (III) metal stress and acid stress, and has important significance in agricultural production.
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Description

technical field

[0001] The invention relates to the technical field of plant rhizosphere growth-promoting bacteria, and relates to a microorganism and its application, in particular to a strain of Bacillus altitudinis YC602 and its application. Background technique

[0002] Potassium is one of the three essential nutrients for crop growth and development. Potassium deficiency will affect plant growth, root development, and resistance to diseases and insect pests. Although the content of potassium in the soil is rich, 98% of it exists in the form of minerals such as potassium feldspar and mica, and only the available potassium that does not exceed 2% of the total potassium in the soil is in the form that plants can directly absorb and utilize. Using microorganisms to dissolve mineral potassium in soil is an economical, effective and environmentally friendly measure to solve the problem of potassium deficiency in soil, which is of great significance to the development of ecolo...

Claims

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