At present, it is a high incidence period of jujube pests and diseases. The pests and diseases that are harmful to jujube trees are: spotted deciduous disease, green-blind disease, etc.
Brown spot disease, also known as spotted deciduous disease, mainly causes damage to the leaves caused by early fall. It also harms new shoots and fruits, and affects tree vigor and yield. A lot of spots appeared on the leaves at the time of onset and the spots were reddish-brown. In summer, high temperatures and rain, such as the closure of branches and leaves in the park, the tree vigor is weak, and the disease is aggravated.
Control time and Pharmacy: In mid-July, drug control, commonly used agents 28% killing disease spirit 600-800 times liquid, etc., pay attention to multi-drug alternate use, spraying should be added Yekang 1000 times solution or Fulibao 500 times solution.
Because of the suitable conditions such as humidity, temperature, etc., L. lucidum also shows a tendency to occur. Flowers and young fruit caused a lot of shedding after the damage, more attention should be paid to multi-drug alternately when controlling the green-blind lice, and Imidacloprid 2000 times liquid can be used as an alternative.
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