Symptom identification: cataplexy cases occur in the early spring nursery bed incubator discs, common symptoms are rotten species, dead seedlings and tripping. Rotten seed is sown after the seeds have not yet germinated or just germinated, causing rot to die. Dead seedlings are germinated seedlings and cotyledon seedlings that have been infested before they are unearthed, resulting in water-stained dark spots at the base of young shoots, which then expand around the stems, gradually shrinking to a thin line, and seedling shoots. When the humidity of the seedbed is high, the white cotton-like hyphae are often densely planted on the surface of the diseased seedlings or nearby beds. Control methods: 1 bed soil disinfection at the seedling stage, using carbendazim to pave the soil cover under the cover, or remove a layer of wood ash in the soil surface control. 2 Strengthen the management of seedbeds. Breeding the seedlings timely and appropriately releases air, avoiding low temperature conditions, and do not water in rainy days. 3 Select resistant varieties according to local requirements. 4 At the beginning of the disease, 72% of promecarb (Prolik) 600 times, or 64% of natriuretic manganese zinc (WP) WP 500 times, or 75% of chlorothalonil soluble powder 600 times Application seedbed. China Medical Glove,Disposable Medical Gloves supplier & manufacturer, offer low price, high quality Medical Examination Gloves,Medical Examination Gloves, etc. Medical Glove,Disposable Medical Gloves,Medical Examination Gloves,Medical Examination Gloves Surgimed Medical Supplies Co.,Ltd , https://www.surgimedcn.com