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Strain for enhancing resistance of wheat to rust and application method of strain

A technology for rust and wheat is applied in the field of strains for enhancing the resistance of wheat to rust, and can solve the problem that the effect of enhancing the resistance of wheat to rust needs to be further improved.

Pending Publication Date: 2021-04-27
南京绿正生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the effect of this method on the enhancement of wheat rust resistance needs to be further improved

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] A bacterial strain that enhances wheat resistance to rust, is characterized in that, the name of the bacterial strain that enhances wheat rust resistance is Stenotrophomonas maltophilia ZL-2, is Stenotrophomonas maltophilia, and belongs to Gram-negative rod-shaped Bacteria were deposited in the General Microbiology Center of China Committee for Culture Collection of Microorganisms on August 28, 2020 (Address: No. 3, Yard No. 1, Beichen West Road, Chaoyang District, Beijing), and the strain preservation number is CGMCC NO.20565. Biological characteristics: Gram-negative rod-shaped bacteria with motility, oxidase-negative, DNase-positive, resistant to imipenem, pale green on the blood plate (more obvious at the densely inoculated baseline), and The same is true on the MH plate; the colonies on the Chinese blue plate are raised, but the morphology is difficult to distinguish from other non-fermenting bacteria. The optimum growth temperature is 28°C, and there is higher nit...

Embodiment 2

[0039] A bacterial strain that enhances wheat resistance to rust, is characterized in that, the name of the bacterial strain that enhances wheat rust resistance is Stenotrophomonas maltophilia ZL-2, is Stenotrophomonas maltophilia, and belongs to Gram-negative rod-shaped Bacteria were deposited in the General Microbiology Center of China Committee for Culture Collection of Microorganisms on August 28, 2020 (Address: No. 3, Yard No. 1, Beichen West Road, Chaoyang District, Beijing), and the strain preservation number is CGMCC NO.20565. Biological characteristics: Gram-negative rod-shaped bacteria with motility, oxidase-negative, DNase-positive, resistant to imipenem, pale green on the blood plate (more obvious at the densely inoculated baseline), and The same is true on the MH plate; the colonies on the Chinese blue plate are raised, but the morphology is difficult to distinguish from other non-fermenting bacteria. The optimum growth temperature is 28°C, and there is higher nit...

Embodiment 3

[0046] A bacterial strain that enhances wheat resistance to rust, is characterized in that, the name of the bacterial strain that enhances wheat rust resistance is Stenotrophomonas maltophilia ZL-2, is Stenotrophomonas maltophilia, and belongs to Gram-negative rod-shaped Bacteria were deposited in the General Microbiology Center of China Committee for Culture Collection of Microorganisms on August 28, 2020 (Address: No. 3, Yard No. 1, Beichen West Road, Chaoyang District, Beijing), and the strain preservation number is CGMCC NO.20565. Biological characteristics: Gram-negative rod-shaped bacteria with motility, oxidase-negative, DNase-positive, resistant to imipenem, pale green on the blood plate (more obvious at the densely inoculated baseline), and The same is true on the MH plate; the colonies on the Chinese blue plate are raised, but the morphology is difficult to distinguish from other non-fermenting bacteria. The optimum growth temperature is 28°C, and there is higher nit...

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Abstract

The invention discloses a strain for enhancing resistance of wheat to rust. The strain is characterized in that the strain for enhancing resistance of the wheat to rust is named Stenotrophomonasmaltophili aZL-2, is stenotrophomonas maltophilia, belongs to gram-negative bacilliform bacteria, and is preserved in the China General Microbiological Culture Collection Center on August 28, 2020, and the preservation number of the strain is CGMCC NO.20565. Biological characteristics are as follows: Gram-negative bacilliform bacteria have athletic ability, oxidase negative, DNA enzyme positive, drug resistance to imipenem and light green color on a blood plate (more obvious at the dense position of an inoculation baseline) and on an MH plate; Bacterial colonies protrude on a Chinese blue plate, but the form of the bacterial colonies is difficult to distinguish from other non-zymophyte. The strain can efficiently enhance the resistance of the wheat to rust and has the capability of promoting the growth of the wheat.

Description

technical field [0001] The invention relates to the technical field of plant protection, in particular to a bacterial strain enhancing wheat resistance to rust and an application method thereof. Background technique [0002] Wheat rust caused by wheat rust has been one of the important diseases in wheat production for a long time. The disease can occur in all wheat-growing areas, and rust epidemics can cause severe yield losses in wheat production. Wheat rust, commonly known as "jaundice", is divided into three types: stripe rust, stem rust, and leaf rust. It is an important disease with wide distribution, fast spread and large damage area in China's wheat production. The occurrence and damage of wheat stripe rust have the characteristics of long-term, explosive, epidemic and variability, and the pathogen can spread long-distance with high-air flow. Its effective prevention and control is a long-term international problem, which has attracted widespread attention from rele...

Claims

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Application Information

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IPC IPC(8): C12N1/20A01N63/20A01P3/00A01P21/00A01G13/00A01G22/20C12R1/01
CPCA01G13/00A01G22/20A01N63/20C12N1/20
Inventor 张磊韩先旭文才艺牛冬冬李文奇杨威刘昌来贾思振
Owner 南京绿正生物科技有限公司
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