The main manifestation of jujube disease is no flowering or less flowering, long shoots, which lead to clumping of branches and leaves. This is an infectious disease. It spreads by grafting and insects. Once it is diseased, it is extremely difficult to control, such as jujube and round red dates. Disease, the whole plant died within 1-3 years after the onset of disease, long red dates can be maintained for about 5 years, horse teeth jujube, jujube and other relatively disease-resistant.
Physical control: If there are too many jujube trees, in order to prevent infection, the diseased tree should be completely eradicated and the roots should be shaved together to prevent germination. The remaining jujube trees should be strengthened in management, organic fertilizers and alkaline fertilizers should be added, and pest-transmitted diseases should be controlled in a timely manner.
Chemical control: Irrigate with medicine. In April and August, drill 2-3 holes on the same side of the diseased tree trunk and reach deep into the xylem. Mix 50 ml of peppermint water, 100 grams of keel powder, and 50 grams of green tea into fine powder. Afterwards, pour it into the hole with a paper tube, and then tighten it with a wooden wedge and close it with mud. Or apply mad spirit before sprouting in the spring: Open a small ring groove at the base of the trunk, reach half of the phloem, fill the liquid in the tank, tightly wrap it with plastic film, apply the second time every month, and thick the tree for 20 centimeters. 8 grams, 16 grams of 40 centimeters, have a certain effect.
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