Passion Fruit Prevention and Control
First, the major diseases of passion fruit are damping-off during seedling stage, mosaic disease, epidemic disease and stem rot. 1. To select pure soil for seedlings, maintain the moisture in the field, and especially prevent the soil from getting too wet, keep away from bananas, all kinds of melons and solanaceous vegetables, and promptly remove burned and washed sick leaves. 2. Drug control: Use 0.5% Bordeaux solution or Alpha-Phosphorus Aluminium, Rhizoctonia solani, anti-dry Ling 1000 times, 75% chlorothalonil 800 times, 50% carbendazim temperature powder 1000 times. Second, the main pests and prevention. The major insect pests are Bactrocera dorsalis, cockroaches, and scale insects. The use of 90% trichlorfon 800 times, 1000 times the farmland music, 800 times the Le Si Ben, wolfberry is dead 2000 times liquid and other prevention and treatment. Endangered concentration of 4500 ~ 5000 times spray, the effective period of up to 40 to 50 days. Control of Bactrocera 1. Remove insect pests and reduce insect sources. 2. Spray control. After removing the insect pests, use a 2,500-fold solution of cypermethrin or 1,200-fold solution of Nandele to spray evenly, so that the crown can be sprayed. 10 times a day, a total of 3 times. The drug was stopped 20 days before fruit harvest. 3. Fruit bagging. 4. Hanging yellow traps and insect traps trap insects of the citrus fruit fly.
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