Application of brassinosteroid in prevention and treatment of apple tree canker

A technology of brassinosterol and brassinosterol in apple tree rot, which is applied in the application field of brassinosterol in the prevention and treatment of apple tree rot, can solve problems such as no research reports on brassinosterol, achieve good application prospects, convenient operation, and improve The effect of disease resistance

Pending Publication Date: 2021-11-02
NORTHWEST A & F UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

So far, there is no research report on the r

Method used

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  • Application of brassinosteroid in prevention and treatment of apple tree canker
  • Application of brassinosteroid in prevention and treatment of apple tree canker
  • Application of brassinosteroid in prevention and treatment of apple tree canker

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Embodiment 1 (growing period):

[0020] 1. Select 10 apple trees with consistent growth and uniform fertility in the field, and the variety is Fuji.

[0021] 2. Dissolve 2mg of pure brassinosteroid in 2mL of ethanol and make a 1mg / mL mother liquor for later use. Dilute to a 0.1 mg / L solution with water, and add 0.1% Tween 20 to obtain a 0.1 mg / L brassinosteroid spray solution.

[0022] 3. On August 10, August 30, and September 20, the brassinolide solution was sprayed on the leaves of apple trees respectively.

[0023] 4. When spraying, the front and back sides of the apple leaves are sprayed constantly, so that the droplets are evenly distributed on the receiving surface and do not exceed the loss point.

[0024] 5. The water consumption per mu is 200L.

Embodiment 2

[0041] Embodiment 2 (dormant period):

[0042] 1. Select 5 apple trees with the same growth and uniform fertility in the field, and the variety is Fuji.

[0043] 2. Prepare a 0.1 mg / L brassinosteroid solution according to the preparation method in Example 1.

[0044] 3. On March 13, March 25, and April 8, the branches of apple trees were sprayed with brassinosteroid solution.

[0045] 4. When spraying, make the droplets evenly distributed on the receiving surface, and do not exceed the loss point.

[0046] 5. On April 16, test according to the sampling and inoculation method of the branch in embodiment 1.

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PUM

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Abstract

The invention discloses an application of brassinosteroid in prevention and treatment of apple tree canker. The brassinosteroid is brassinolide, 24-epibrassinolide or 28-epibrassinolide. The brassinosteroid can significantly improve the disease resistance of apple trees to the rot disease and reduce the occurrence degree of the rot disease; and meanwhile, operation is easy and convenient, the use amount of chemical pesticide can be reduced, and remarkable economic and ecological environment benefits are achieved.

Description

technical field [0001] The invention belongs to the technical field of apple disease prevention and control, and in particular relates to the application of brassinosterol in the prevention and treatment of apple tree rot. Background technique [0002] Apple is one of the bulk fruits in my country, and the cultivated area and output of apples in my country rank first in the world. Apple tree rot is called apple tree cancer, which has a wide range of diseases and is difficult to control. The pathogen of apple rot disease, Cytospora mali, is a weak parasitic fungus. After its conidia invade plants, they first live on dead tissues, produce toxins to kill surrounding living host cells, and then spread to healthy bark. Spread, causing bark rot. It mainly harms the trunk of the apple tree, leading to weakening of tree vigor, decline in yield and quality, and in severe cases, damage to the orchard. It is one of the most serious diseases in my country's apple production areas, and...

Claims

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Application Information

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IPC IPC(8): A01G13/00
CPCA01G13/00
Inventor 孙广宇王妍梁晓飞朱明旗张荣
Owner NORTHWEST A & F UNIV
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