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A kind of method of controlling bacterial soft rot of canna taro

A kind of canna taro bacterial soft rot technology, which is applied in the field of prevention and treatment of canna taro bacterial soft rot, can solve the problems that the control of canna taro bacterial soft rot has not yet been reported, so as to prevent the spread of pathogenic bacteria, prevent non-point source pollution, reduce The effect of usage

Active Publication Date: 2021-07-20
PLANT PROTECTION RES INST OF GUANGDONG ACADEMY OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But so far, the bacterial soft rot of canna taro and its control have not been reported

Method used

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  • A kind of method of controlling bacterial soft rot of canna taro
  • A kind of method of controlling bacterial soft rot of canna taro
  • A kind of method of controlling bacterial soft rot of canna taro

Examples

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Comparison scheme
Effect test

Embodiment 1

[0048] A method for controlling bacterial soft rot of banana taro, comprising the steps of:

[0049](1) Select the disease-resistant variety GD9338 of plantain taro and cultivate it into bulbs.

[0050] (2) Select 4.5% (weight ratio) compound sodium chlorite (produced by Kangda Disinfectant Co., Ltd., Xinxiang City, Henan Province) of 500 times of medicament to soak the bulbs for 60 minutes, then plant after drying naturally; After the bulbs are tested: Canna taro bacterial soft rot pathogen rapid detection kit (produced by the Institute of Plant Protection, Guangdong Academy of Agricultural Sciences) can be used to detect whether the bulbs have bacterial soft rot; specifically: after extraction and disinfection The DNA of the bulb (DNA can be extracted using a conventional commercially available bacterial genome DNA extraction kit) is then amplified by PCR, and the amplified product is subjected to agarose gel electrophoresis to detect whether the bulb has bacterial For soft...

Embodiment 2

[0063] A method for controlling bacterial soft rot of banana taro, comprising the steps of:

[0064] (1) Select the disease-resistant variety YN898 of plantain taro and cultivate it into bulbs.

[0065] (2) select 3000 times of liquid of 88% hydrated mycin soluble powder to soak bulbs for 120 minutes, and the bulbs after disinfection can be tested with the rapid detection kit of canna bacterial soft rot (Guangdong Provincial Academy of Agricultural Sciences Plant Protection Research Institute) for testing; specifically: the soaked and disinfected bulbs were sampled (2% of the total number of plants), and then the DNA of the bulbs was extracted for PCR amplification, and the amplified products were subjected to agarose gel electrophoresis to detect Whether the bulb has the bacteria of bacterial soft rot, if it has the bacteria, there will be an amplified band, otherwise, there will be no amplified band. After sampling inspection, no bulbs with bacteria can be planted; among th...

Embodiment 3

[0078] A method for controlling bacterial soft rot of banana taro, comprising the steps of:

[0079] (1) The disease-resistant variety GZH032 of plantain taro was selected and cultivated into bulbs.

[0080] (2) select 300 times of liquid of medicament 5% antimicrobial agent to soak the bulbs for 100 minutes; the bulbs after disinfection can be tested with the rapid detection kit of Cannato bacterial soft rot (Guangdong Provincial Academy of Agricultural Sciences Plant Protection Research Institute) for testing; specifically: the soaked and disinfected bulbs were sampled (2% of the total number of plants), and then the DNA of the bulbs was extracted for PCR amplification, and the amplified products were subjected to agarose gel electrophoresis to detect Whether the bulb has the bacteria of bacterial soft rot, if it has the bacteria, there will be an amplified band, otherwise, there will be no amplified band. After sampling inspection, no bulbs with bacteria can be planted; am...

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Abstract

The invention discloses a method for preventing and treating bacterial soft rot of canna taro. The method comprises the following steps: (1) cultivating a disease-resistant variety of canna taro into bulbs; (2) soaking the bulbs cultivated in step (1) in a disinfectant for disinfection, and then drying them naturally to obtain sterilized bulbs. Bulbs; (3) Bacterial soft rot is detected on the sterilized bulbs obtained in step (2), and bulbs without bacterial soft rot are selected for planting. According to the disease characteristics of taro bacterial soft rot, the present invention adopts the comprehensive prevention and control technology of disease-resistant varieties and healthy bulbs, prevents the spread of pathogenic bacteria at the source, reduces the use of pesticides, prevents non-point source pollution, and can realize taro taro increase in production and income.

Description

technical field [0001] The invention relates to the field of planting, in particular to a method for preventing and treating bacterial soft rot of canna taro. Background technique [0002] Bacterial soft rot occurs for a long period of time and rots in the field, causing heavy losses. It can harm various plants such as rice, bananas, and flowers. Symptoms of the disease vary slightly due to different host crops, different parts of the plant and different environmental conditions. However, the diseased part starts from the wound. Generally, when the soft and juicy tissue develops, it is translucent in a water-soaked state at first, and then the epidermis sinks and turns brown. stench. 1 to 2 days after the lesions appeared, the vascular bundles of the diseased part turned yellow to brown, and spread rapidly to the stems and roots through the vascular bundles, causing the whole plant to morbidity. In the early stage of the disease, the outer leaves wilt at noon and recover ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C12Q1/689C12Q1/04
CPCC12Q1/689
Inventor 杨祁云林壁润沈会芳孙大元张景欣蒲小明蒋尚伯
Owner PLANT PROTECTION RES INST OF GUANGDONG ACADEMY OF AGRI SCI