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Isolation, identification and inoculum of a parasitic fungus for control of wheat stripe rust

A technology of wheat stripe rust and biological fungicides, applied in the direction of biocides, fungicides, fungi, etc., can solve the problems of limited creation speed of disease-resistant varieties, impact of chemical pesticides on food production safety, and decline in the utilization rate of disease-resistant varieties

Active Publication Date: 2022-07-01
NORTHWEST A & F UNIV
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  • Description
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Problems solved by technology

[0004] (1) The creation speed of disease-resistant varieties is limited, and the utilization rate of disease-resistant varieties is reduced
[0005] (2) Excessive use of chemical pesticides seriously affects the safety of food production in my country

Method used

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  • Isolation, identification and inoculum of a parasitic fungus for control of wheat stripe rust
  • Isolation, identification and inoculum of a parasitic fungus for control of wheat stripe rust
  • Isolation, identification and inoculum of a parasitic fungus for control of wheat stripe rust

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Embodiment Construction

[0032] In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.

[0033] In view of the existing problems in the prior art, the present invention provides a parasitic fungus for preventing and treating wheat stripe rust, a method for separation and identification, and an inoculant. The present invention is described in detail below with reference to the accompanying drawings.

[0034] The parasitic fungi for preventing and treating wheat stripe rust provided in the embodiments of the present invention are Cladosporium cladosporioides and Paecilomyces Simplicillium obclavatum. Deposit number: CGMCC 20276.

[0035] like figure 1 As shown, the separation method of the parasitic fu...

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Abstract

The invention belongs to the technical field of agricultural biological control and microbial biological preparations, and discloses the isolation, identification and inoculum of a hyperparasitic fungus for preventing and treating wheat stripe rust. The heavy parasite is isolated from white parasites and gray-brown parasites on the surface of wheat stripe rust, which can effectively inhibit the infection and damage of wheat stripe rust to wheat plants, and the isolate also reduces wheat The production and vigor of stripe rust; it has high application value in production; this parasite can significantly inhibit the growth and development of wheat stripe rust and the production of spores, and the parasite culture method is simple and easy to operate, It is a potential new strain of wheat stripe rust control that can be widely used.

Description

technical field [0001] The invention belongs to the technical field of agricultural biological control and microbial biological preparations, in particular to a hyperparasitic fungus for preventing and treating wheat stripe rust, a separation and identification method, and an inoculum. Background technique [0002] At present, the closest prior art: wheat stripe rust is a major disease caused by Puccinia striiformis f.sp. Tritici, Pst, which is a major disease in wheat producing areas around the world. A low-temperature airborne disease that can harm the entire growth cycle of wheat. The control of wheat stripe rust mainly relies on the use of chemical pesticides, but excessive dependence on chemical pesticides is at the expense of the environment. [0003] To sum up, the problems existing in the prior art are: [0004] (1) The rate of creation of disease-resistant varieties is limited, and the utilization rate of disease-resistant varieties decreases. [0005] (2) The ex...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C12N1/14C12N1/02C12Q1/6895C12Q1/686A01N63/30A01P3/00C12R1/645
CPCC12N1/14C12N1/02C12Q1/6895C12Q1/686A01N63/30C12Q2565/125
Inventor 王晓杰王宁王建锋张珊胡泽宇樊昕汤春蕾康振生
Owner NORTHWEST A & F UNIV
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