Actinomycetes with bacteriostatic activity and application thereof

A technology of actinomycetes and strains, applied in the field of microorganisms, can solve problems such as the reduction of traditional banana planting area, economic losses of banana farmers, and restrictions on the healthy development of the banana industry, and achieve stable broad-spectrum antibacterial activity, broad development space, and good development The effect of applying the foreground

Pending Publication Date: 2022-05-27
HAIKOU EXPERIMENTAL STATION CHINESE ACAD OF TROPICAL AGRI SCI
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Problems solved by technology

When the banana industry continues to develop and gradually achieves certain results, due to the impact of the large-scale outbreak of banana wilt, the traditional banana planting area has shrunk sharply, and ev

Method used

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  • Actinomycetes with bacteriostatic activity and application thereof
  • Actinomycetes with bacteriostatic activity and application thereof
  • Actinomycetes with bacteriostatic activity and application thereof

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Embodiment Construction

[0021] The present invention will be further described below in conjunction with specific embodiments to better understand the present invention.

[0022] The present invention provides an actinomycete, which is a new species of the genus Streptomyces, named Streptomyces sp. 5-6 (hereinafter referred to as strain 5-6), which was deposited in Streptomyces sp. 5-6 on October 27, 2021 The Guangdong Provincial Microbial Culture Collection Center, the preservation number is GDMCC No: 61984, and the deposit address is the Guangdong Provincial Institute of Microbiology, 5th Floor, Building 59, No. 100, Xianlie Middle Road, Guangzhou City, Guangdong Province. The actinomycetes of the present invention are isolated from the roots of Curculigo capitulata.

[0023] 1. Materials and methods

[0024] 1.1 Test strains

[0025] Fusarium oxysporum f.sp.cubense race 4 (Foc4), Fusarium oxysporum f.sp.cubense race 1 (Foc1), Curvularia lunata), banana leaf blight (Alternaria musae), banana ant...

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Abstract

The invention belongs to the field of microorganisms, and particularly relates to actinomycetes with bacteriostatic activity and application of the actinomycetes. The actinomycetes disclosed by the invention are streptomyces sp. 5-6, the preservation number is GDMCC No: 61984, and the actinomycetes have stable and broad-spectrum antibacterial activity and can be used for preparing the antibacterial agent. The composition is prepared from cryphonectria parasitica germs, banana large gray leaf spot germs, banana leaf margin blight germs, banana fusarium wilt germs No.4 physiological races, cucumber fusarium wilt germs, pepper anthracnose germs, banana fusarium wilt germs No.1 physiological races, rubber corynespora decidulosa germs, flowering cabbage anthracnose germs and strawberry anthracnose germs. The strain has a good antagonistic effect on fusarium wilt, wheat scab and the like, expands a new field for prevention and treatment of various plant diseases such as fusarium wilt, provides a new way for green prevention and treatment of various pathogenic bacteria such as banana fusarium wilt, and has a wide development space and a good development and application prospect.

Description

technical field [0001] The invention belongs to the field of microorganisms, and in particular relates to an actinomycetes with bacteriostatic activity and applications thereof. Background technique [0002] Bananas belong to the Musaceae genus, mainly distributed in tropical and subtropical regions, and are one of the most important fruits in production and trade in the world. When the banana industry continued to develop and gradually achieved certain results, the large-scale outbreak of banana fusarium wilt led to a sharp reduction in the traditional banana planting area, and even the phenomenon of abandonment and replanting, which brought serious economic losses to banana farmers. healthy development of the banana industry. Banana fusarium wilt is a soil-borne disease caused by the infection of Fusarium oxysporum f.sp.cubense (Foc), which mainly occurs in Asia, Australia, Africa, the Philippines and tropical America. In banana producing areas, severe banana wilt disease...

Claims

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Application Information

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IPC IPC(8): C12N1/20A01N63/28A01P3/00C12R1/465
CPCC12N1/20A01N63/28
Inventor 云天艳井涛臧小平谢江辉王尉周登博张妙宜陈宇丰
Owner HAIKOU EXPERIMENTAL STATION CHINESE ACAD OF TROPICAL AGRI SCI
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