Heavy metal-resistant plant growth-promoting strain and application thereof

A technology to resist heavy metals and promote plant growth, applied in the directions of plant growth regulators, plant growth regulators, applications, etc., can solve problems such as lower utilization rate, and achieve the goal of reducing root accumulation, promoting absorption, and improving nutrient components and absorption conditions. Effect
CN109136137AActive Publication Date: 2019-01-04GUANGXI UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
GUANGXI UNIV
Publication Date
2019-01-04

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Abstract

The invention belongs to the technical field of plant growth-promoting bacteria and particularly relates to a heavy metal-resistant plant growth-promoting strain and an application thereof. The heavymetal-resistant plant growth-promoting strain BHG-02, which is Acinetobactersoli according to the taxonomic nomenclature, is collected in China Center for Type Culture Collection on October 13, 2014 under the CCTCC NO: M2014471. The heavy metal-resistant plant growth-promoting strain BHG-02, which is obtained from soil of the Jinwan Mangrove Nature Reserve, Beihai, Guangxi Zhuang Autonomous Regionby screening and separating, can secrete organic acids as well as dissolve and utilize calcium phosphate in a culture medium, has ACC deaminase activity, growth hormone IAA and urease activity, and is capable of dissolving heavy metals in soil, relieving heavy metal stress on plants and improving soil nutrients so as to promote plant growth.
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Description

technical field

[0001] The invention belongs to the technical field of plant growth-promoting bacteria, and specifically relates to a plant growth-promoting bacterial strain resistant to heavy metals and an application thereof. Background technique

[0002] Chemical fertilizers play a huge role in modern agricultural production. However, with the increase in the use of chemical fertilizers, its utilization rate has decreased year by year. Residues of pesticides and chemical fertilizers have released a large amount of harmful substances to the environment, polluting soil, water sources and food, and posing a great threat to human health and living environment. The call for protecting the ecological environment and producing safe food is becoming stronger and stronger. Therefore, the development and utilization of new fertilizer sources that replace chemical fertilizers to meet the needs of the development of green agriculture and green food has become a top priority. Microb...

Claims

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