Solution: This is Sclerotinia Sclerotinia. In addition to pests, the disease can also occur on onions, onions, garlic and other crops, often resulting in the drying up of large areas of plant leaves, leaving only the heart. First, the symptoms: The main damage to the leaves and stalks. At the beginning, the base of the leaves turned brown and rotted, and when it was wet, many white fluffy hairs appeared on it, and then many small sclerotia were found ranging from tan to black. Often cause the leaves of local plants to die, leaving only the heart leaves. Second, the prevention and control methods: 1. Timely removal of sick organizations, brought out of the field, concentrated deep or heap fertilizer. 2. Seriously disease should be carried out with non-onion and garlic crops for two to three years. 3. The newly planted leeks must be deep-frozen, the best cover mulch to prevent the soil surface of the asthenospores. 4. Strengthen field management. After the rain, the water will be drained in time to reduce the humidity in the field. 5. Early onset of drug control. 40% sclerotium net wettable powder 1200 times, 50% polymylon wettable powder 700 times, 50% nongrill (ethylene nucleus Lee) WP 1000 times, 50% procymidone WP 1500 ~2000 times, 56% acetophenone chlorothalonil wettable powder 800 times, or 70% thiophanate-methyl wettable powder 1000 times. Note: The spray method should be continuous spray irrigation, the better. Recently, several new pesticides have been introduced: fenhexamid, thiabendazole, fluquinoline, and iprodione, which can also be used. Http:// Gelatin Size 4 Empty Capsule,Color Gelatin Empty Capsules,Medical Gelatin Empty Capsules,Size 4 Empty Pill Capsule Shell Ningbo Jiangnan Capsule Co., Ltd. , https://www.jncapsule.com
How to control sclerotinia sclerotiorum