The occurrence and prevention of jujube disease

Jujube disease is a devastating disease and should be mainly prevention. In our country jujube producing area is very popular. Once onset, there are few results in the second year. Even if the result is lost, the whole plant will die after 3 to 4 years. First, the main cause of jujube fever caused by jujube disease is the intrusion of mycoplasma. Mycoplasma can be spread by grafting. Under natural conditions, natural grafting between the roots of plants can also be transmitted, and some leafhoppers are also bacteriophages. Second, comprehensive prevention and control measures 1, the selection of disease-resistant varieties, such as red jujube tree jujube more resistant to disease. 2. Use disease-free mother trees, scions, rootstocks, and disease-free seedlings to eradicate diseased plants and diseased roots in a timely manner to prevent infection. 3. Jujube production areas should try to implement intercropping of dates and grains to avoid contact with the diseased plants and the roots of healthy plants to prevent disease transmission. 4. Rational girdling has the effect of stopping pathogens from running in the tree. 5, before jujube blooming and after Xie Hua with 40% Dimethoate EC 1000 times, 25% West Vienna due to wettable powder 500 times sprayed canopy once to kill the media leafhopper. 6. Use a horizontal saw with a hand saw to saw the trunk 1 mm deep in the xylem, spaced 30 to 50 cm apart, and saw 4 or 5 turns to stop the pathogen from spreading. Diseased plants such as light onset, after cutting off plexiflora, using tetracycline, oxytetracycline and other antibiotics into the xylem, there is a therapeutic effect, but can not be eradicated, relapse should be injected again.

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