Sugarcane top rot resistance identification method

A sugarcane tip rot and resistance identification technology is applied in the field of crop disease resistance identification, which can solve the problem of not establishing a sugarcane tip rot resistance identification method, etc., achieves low requirements for experimental equipment, reduces manpower and material resources, and is easy to operate. Effect
CN104450862AInactive Publication Date: 2015-03-25GUANGXI UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
GUANGXI UNIV
Publication Date
2015-03-25
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses a sugarcane top rot resistance identification method. The method comprises the steps of injecting a well-prepared sugarcane top rot pathogenic bacterium spore suspension onto a growth point of a sugarcane seedling, setting blank sterile water as a reference, culturing the sugarcane seedling for 10 to 15 days after the sugarcane seedling is inoculated, investigating the pathogenic bacterium breeding situation, and classifying the resistance of the sugarcane variety to the sugarcane top rot into an immunity grade, a disease-resisting grade, a medium-resisting grade and an infectious grade according to the disease degree and the disease situation. The sugarcane seedling top rot is identified by adopting an injection inoculation way, the method is closer to the real situation that the sugarcane seedling in the field is infected with the top rot, and the resistance of the sugarcane seedlings of various varieties to the sugarcane top rot can be directly reflected.
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Description

technical field

[0001] The invention relates to a sugarcane tip rot resistance identification method, which belongs to the technical field of crop disease resistance identification. Background technique

[0002] The pathogen of sugarcane tip rot (Pokkah Boeng Disease) is Fusarium moniliformae (Fusarium moniliformae), which can produce beaded conidia or pseudocephalic sporulation in the asexual stage, and its sexual form is Gibberella moniliformis. Sugarcane tip rot mainly occurs on the young leaves and tips of sugarcane. After being infected, it causes the tip of the plant to rot, hence the name tip rot. After infection, the heart leaves are trapezoidal, concavo-convex and distorted, with longitudinal fissures, and the leaves at the tips are often entangled and deformed, and obvious brown wrinkles appear. When the plant is severely damaged, the tissue around the growth point will become soft and brown, the heart and leaves will be necrotic, forming tip rot, resulting in the...

Claims

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