Prevention and cure method of winter jujube rotten fruit disease (continued)
Zhanhua County Plant Protection Station Li Fuyou
1, prevention and control strategy:
To prevent and control rotten fruit diseases of winter jujube, we must grasp the timing of prevention and control according to the occurrence of diseases.
Flowering period: The first medication should be 10-20 days before flowering, and the subsequent medication should be applied once every 10-12 days according to the specific conditions of the field. The use of drugs should be highly efficient, low toxicity, low residue, and pollution-free pesticides.
2, control methods:
Prevention and control of diseases using agricultural streptomycin 500 IU per ml, or Kezikang, typhidazole and other drugs plus 20.67% Wanxing 2500-3000 times or 40% Fuxing 8000-10000 times, or add Amisi Up to 8000 times liquid and other fungicides to prevent drug mixed spray, to grasp the use of early flowers before use, in order to ensure the control effect.
From the young fruit stage of winter jujube to the early stage of expanding fruit (early July to the end of July), the disease prevention and treatment. 20.67% Wanxing 2500-3000 times solution or 40% Fuxing 8000 times solution plus 68.75% Yibao 1500 times solution, or Spectroazole 1000-15000 times, with polyoxin, kasugamycin, agricultural streptomycin, g Bacteria and other drugs to prevent and cure bacterial diseases spray control, 10-15 days control once.
The late fruit enlargement period (from August to harvest) is mainly to prevent rotten diseases such as ring spot disease and brown spot disease. The prevention and treatment of drugs refers to the prevention and cure methods of the disease in the early stage of swelling. Jujube rust use Fuxing or Wanxing.
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