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A Trichoderma aculeatus strain Sanju-19 and its application

A technology of Trichoderma aculeatus and Trichoderma, which is applied in the field of bioengineering, can solve the problems of intolerant storage, unsightly appearance of diseased potatoes, and small damage area.

Active Publication Date: 2021-05-18
FUJIAN SANJU BIOLOGICAL SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Usually, although the disease spots are limited to the cortex, the quality and yield of the damaged potato pieces can still be reduced, and they are not resistant to storage, and the appearance of the diseased potato is unsightly, and the commodity grade is greatly reduced, resulting in certain economic losses.
In the past, due to the low incidence rate and small damage area in our country, it did not attract people's attention.

Method used

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  • A Trichoderma aculeatus strain Sanju-19 and its application
  • A Trichoderma aculeatus strain Sanju-19 and its application
  • A Trichoderma aculeatus strain Sanju-19 and its application

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Experimental program
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Embodiment Construction

[0016] 1. Acquisition, isolation and identification of strains

[0017] The strains were isolated and identified by collecting soil samples from banana diseased soil in Fujian.

[0018] Colony morphology: grows fast in wort juice medium, cultivated in the dark at 25°C for 5 days, the colony diameter is 60-65mm, white, and in the later stage due to sporulation, it is light gray green and flocculent; the back is light brown, without water-soluble pigment. A large number of conidia were produced, and the sporulation area was evenly distributed. Conidiophores are tall, with smooth or slightly rough walls, usually branched at opposite positions, 2.5-5.0um wide; few phialides, several clustered on spores or their branches, with a curved flask-shaped neck, 5.0-16.7*2.5-3.5um; conidia are broadly oval or nearly spherical, with smooth or slightly rough walls, 2.1-4.5um; chlamydospores are more common.

[0019] Molecular identification method: ITS1 / 5.8SrRNA, ITS2 full sequence and 28S...

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Abstract

The present invention discloses a Trichoderma asperellum strain Sanju-19, which has been preserved in the General Microorganism Center of China Committee for Microbial Culture Collection (abbreviated as: CGMCC) on June 14, 2018, and the preservation number is It is CGMCC No.15870, and the depository address is: No. 3, Yard No. 1, Beichen West Road, Chaoyang District, Beijing. The bacterial strain can inhibit the growth of Streptomyces scab, Streptomyces acid scab and Streptomyces albicans, and play an effective role in prevention and treatment of potato scab.

Description

technical field [0001] The invention belongs to the technical field of bioengineering, and in particular relates to the application of Trichoderma aculeatus in bacterial agents for preventing and treating potato scab. Background technique [0002] Potato scab is a disease of potato tubers. It is manifested by the appearance of nearly round to amorphous suberized scab-like light brown lesions or plaques on the surface of the tuber, and the texture is rough to the touch. It is generally divided into two types of onset symptoms, which are reticulate lesions and cleft-like lesions. Usually, although the diseased spots are limited to the cortex, the quality and yield of the damaged potato pieces can still be reduced, and they are not resistant to storage, and the appearance of the diseased potato is unsightly, and the commodity grade is greatly reduced, resulting in certain economic losses. In the past, due to the low incidence rate and small damage area in our country, it did ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C12N1/14A01N63/38A01P1/00C12R1/885
CPCA01N63/30C12N1/14C12N1/145C12R2001/885
Inventor 仲乃琴钞亚鹏杨敬刘宁赵盼骆毛喜林克明余劲聪宋双伟郝辽洋熊悯梓
Owner FUJIAN SANJU BIOLOGICAL SCI & TECH
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