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Trichoderma strain isolated from extremely arid desert environment, cultivation method, use method, straw colonization method and application thereof

A technology of Trichoderma and desert, applied in the field of microorganisms, can solve the problems that Trichoderma or preparations have not been reported.

Inactive Publication Date: 2019-03-29
INST OF PLANT PROTECTION NINGXIA ACAD OF AGRI & FORESTRY SCI KEY LAB OF NINGXIA PLANT DISEASE & INSECT PESTS CONTROL
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Problems solved by technology

However, there is no report on Trichoderma or preparations developed for potato soil-borne diseases by using straw returning technology.

Method used

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  • Trichoderma strain isolated from extremely arid desert environment, cultivation method, use method, straw colonization method and application thereof
  • Trichoderma strain isolated from extremely arid desert environment, cultivation method, use method, straw colonization method and application thereof
  • Trichoderma strain isolated from extremely arid desert environment, cultivation method, use method, straw colonization method and application thereof

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[0069] The technical solution of the present invention will be further described in detail below in conjunction with specific examples, but the protection scope of the present invention is not limited to the following description.

[0070] A Trichoderma strain isolated from an extremely arid desert environment, the strain is Trichoderma harzianum M-33, preserved in the China Center for Type Culture Collection, preservation number: CCTCC NO: M 2018537.

[0071] Trichoderma harzianum M-33 belongs to the technical field of microorganisms, and it is named as Trichoderma harzianum (Trichoderma harzianum), Ascomycota, Hypocreales, and Hypocrea (the asexual stage is Trichoderma).

[0072] Trichoderma harzianum M-33 was isolated from the rhizosphere soil of Caragana harziensis in the southeastern part of the Tengger Desert (37°25'18.8376"N, 104°43'27.4800"E, 1753 above sea level), and belongs to extreme environmental microorganisms.

[0073] 1. Screening of strains for biocontrol of p...

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Abstract

The present invention relates to the technical field of microorganisms and particularly relates to a trichoderma strain isolated from an extremely arid desert environment, a cultivation method, a usemethod, a straw colonization method and an application thereof. The strain is trichoderma harzianum M-33 and preserved in China Center for Type Culture Collection. The cultivation method is as follows: the trichoderma harzianum M-33 is inoculated on a potato dextrose agar plate medium to be cultured in the dark. The trichoderma harzianum M-33 is applied in improving potato emergence rate, promoting potato plant growth and preventing and controlling potato black scurf. The use method is as follows: 190-210 parts by weight of trichoderma harzianum M-33 fermentation liquid is poured into a damp heat-sterilization wheat straw carrier to be fermented, then a fermented product is mixed with the soil, and the mixture is applied into a seeding ditch. A micro-ecology principle is used, straw is used as the carrier to assist colonization of the trichoderma strain in the soil, prevention and treatment effects of the trichoderma strain on potato soil-borne diseases are improved, and an applicationbasis for technology research of potato soil-borne disease biological prevention and control is provided.

Description

technical field [0001] The invention relates to the technical field of microorganisms, in particular to a Trichoderma strain isolated from an extremely arid desert environment, a cultivation method, a use method, a straw colonization method and application. Background technique [0002] Potato is an important food and economic crop in my country, and there are serious obstacles to continuous cropping in major planting areas. The aggravation of soil-borne fungal diseases is one of the important problems leading to continuous cropping obstacles of potato. Among them, dry rot and black mole caused by Fusarium solani (Fusarium.solani), Fusarium moniliforme Sheldon (Fusarium moniliforme Sheldon) and Rhizoctonia solani have seriously affected the quality and yield of potatoes. . [0003] The control of potato soil-borne diseases is mainly based on chemical pesticides. The study by Lootsma and Scholte showed that for the control of potato black mole, soil treatment with penfluro...

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Application Information

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IPC IPC(8): C12N1/14A01N63/04A01P3/00A01G7/06A01G13/00C12R1/885
CPCA01G7/06A01G13/00A01N63/30C12N1/14C12N1/145C12R2001/885
Inventor 郭成瑾张丽荣王喜刚沈瑞清臧睿王玲饶丽仙查仙芳贾倩张萍
Owner INST OF PLANT PROTECTION NINGXIA ACAD OF AGRI & FORESTRY SCI KEY LAB OF NINGXIA PLANT DISEASE & INSECT PESTS CONTROL
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