Preventive measures: deep trench sorghum, the implementation of mulch covered, generally 30 to 40 cm deep groove, while covering the mulch near the bottom of the ditch, in order to reduce the incidence of fruit and soil contact, do a good job in drainage to reduce hazards. Remove dead leaves and diseased leaves in time.
The application of organic fertilizers, especially bio-fertilizers “Tudelaâ€, will improve the soil. Balance the amount of nitrogen, phosphorus, and potassium, control the amount of nitrogen fertilizer, prevent leggy, and at the same time, plant the plant in close numbers. The number of acres per plant should be controlled within 8,000 trees to facilitate ventilation. Appropriate amount of micronutrient supplementation to improve disease resistance. Spraying of available boron, copper sulphate and manganese sulphate etc. at the beginning of the growth of the young leaves and bud stage. In the growth period of 7 to 10 days, once sprayed with marine immune preparation Haitian force 600 times even spray 3 to 4 times, in order to enhance the disease resistance of strawberries.
Chemical control: The principle is biological + chemical drugs, internal resistance + external suppression methods.
Powdery mildew 25% triadimefon wettable preparation 3000 ~ 5000 times + Haitian force 600 times, or 10% Shihshui water dispersible granules 2000 ~ 2500 times + Haitian force 600 times, or 12.5% ​​Myclobutanil EC 1500 times Fungicides are alternately controlled.
Botrytis cinerea can be sprayed with 500mg of polyoxomycin wettable powder 600 times of 600 grams of shixacil, or 600 times of 50% milamidamine in the growth phase (flowering avoidance period), pay attention to alternate medication.
Fruits And Vegetables,Fresh Fruits And Vegetables,Fresh Fruit And Veggies,Fresh Vegetables
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