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Mangrove rhizosphere azotobacter (DZY-N33) and use thereof

A DZY-N33, mangrove technology, applied in applications, bacteria, biochemical equipment and methods, etc., can solve problems such as low survival rate

Inactive Publication Date: 2010-12-01
SOUTH CHINA SEA INST OF OCEANOLOGY - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the survival rate of introduced strains in our country's mangroves is low, and there are also various hidden dangers caused by foreign species invasion

Method used

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  • Mangrove rhizosphere azotobacter (DZY-N33) and use thereof
  • Mangrove rhizosphere azotobacter (DZY-N33) and use thereof
  • Mangrove rhizosphere azotobacter (DZY-N33) and use thereof

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Abstract

The invention provides a nitrogen fixing bacterium in mangrove rhizosphere (DZY-N33) and an application thereof. The settlings and rhizosphere soil of the marine mangrove ecological system are bred selectively and in enrichment; a new nitrogen fixing bacterium is obtained by adopting the conventional microorganism separating and purifying methods, that is rhizobium sp. DZY-N33 strain which is stored in CCTCC (China Center for Type Culture Collection) on April 13th, 2007; the CCTCC is located in Wuhan University, Wuhan, China; the collection number is M207045. The strain has high biological nitrogen fixing activity; the microbial inoculum with the bacterium is used to breed mangrove plants such as rhizophora stylosa and bruguiera, which can evidently promote the growth of plant, thereby being capable of preparing the biological nitrogen fixing bacterium fertilizer promoting the growth of mangrove plants.

Description

Mangrove rhizosphere nitrogen-fixing bacteria (DZY-N33) and its application Technical field: The patent application belongs to the field of biotechnology, and in particular relates to a mangrove rhizosphere nitrogen-fixing bacterium with good growth-promoting effect on mangrove plants and its application for preparing biological nitrogen-fixing bacterial fertilizer. Background technique: Mangroves are important marine and coastal wetland ecosystems. It plays an important role in marine environmental protection and ecological balance, and is an important part of marine productivity. In natural marine coastal ecosystems, the source of nutrients to maintain its high productivity is an important topic of research. Mangroves are woody plant communities naturally distributed in the intertidal zone of tropical and subtropical coasts, covering about 60-75% of tropical and subtropical coasts, playing an important role in maintaining the ecological balance of bays and estuaries, a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C12N1/20C12N15/31C05F11/08C12R1/41
Inventor 董俊德张燕英杨志浩张偲王友绍孙翠慈
Owner SOUTH CHINA SEA INST OF OCEANOLOGY - CHINESE ACAD OF SCI
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