How to prevent jujube disease

On June 8, Liu Jiansheng, Yangjiabangtai Town, Yanchuan County, Shaanxi Province called the newspaper to consult. His jujube tree has recently grown a lot of yellow and broken leaves. At first, it was just a tip. Now the whole plant has such symptoms, and there is also a trend toward a tree. Don't know what caused it? The reporter interviewed members of the expert advisory group of the newspaper and Professor Lu Pinghui of the fruit specialist of Northwest Agriculture and Forestry University. According to Professor Lu, the disease is jujube disease.
Professor Lu said that there is currently no effective eradication treatment for the disease. Effective prevention measures before the disease occur in production are the best ways to control the spread of jujube disease. In view of this, it is recommended to adopt the following comprehensive prevention and control measures to control the development of jujube disease.
First, eradicate the diseased plants and incinerate them thoroughly to avoid cross-infection. Second, control the transmission of insects. Do not plant pine, cypress, and paulownia trees near the newly built date garden, and do not grow cabbage or sesame crops. This will effectively reduce the number of diseased leafhoppers. It is advisable to control the leafhoppers when the nymphs first hatch and cluster on dwarf plants. Spray insecticides such as pyrethroids, organic phosphorus, etc. Third, prevention and control of virus proliferation. After jujube sprouting to defoliation, the branches and leaves were sprayed intermittently with agricultural streptomycin and sprayed for about two months. Specific concentrations refer to the instructions. Fourth, strengthen fertilizer and water management. Zaoyuan applies organic manure and phosphorus and potassium fertilizers to improve the nutrition of the tree and improve the disease resistance of jujube trees. Fifth, pay attention to the disinfection of grafting tools and trimming tools to avoid cross-infection. Can be disinfected with alcohol burning.

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Posted on April 30, 2021