Fusarium wilt is commonly referred to as "death disease" and is a soil-borne fungal disease. Fusarium wilt pathogens can survive in the soil for many years. Continuously growing melons will cause the bacteria to accumulate and the damage will increase. Some local pipe wilt disease called "double blinding disease" is the reason. Then, crop rotation and cultivation of disease-resistant varieties will become the preferred control measures. It is best to work with wheat and corn for 6 to 7 years. In addition, the use of pumpkin or gourd as rootstock grafted watermelon seedlings can effectively control blight. Mild-disease fields also have certain disease-preventive effects in the removal of diseased bodies and the removal of diseased plants.
Chemical control emphasizes early prevention and early treatment, and use of hymexazol (Teobacillus), benomyl (benzate) or carbendazim, thiophanate-methyl and other agents on the basis of correct diagnosis and prediction. Can be used 50% carbendazim WP 1000 times liquid soaking 30 to 40 minutes, or soaked with 10% bleaching powder for 10 minutes, after removal with 0.1% to 0.15% of 50% benomyl wettable powder dressing. 70% hymexazide wettable powder can also be used 1 g per square meter mixed sand 1 kg, sowing evenly into the nursery bed for cover soil, or with 70% hymexazin wettable powder 1000 times liquid spray nursery bed. In the early onset of the field or when a sporadic diseased plant was detected, the roots were irrigated with a 600-fold solution of 3.2% methylthiodithiocarbamate and 50% benomyl wettable powder 1000-fold, and 0.4-0.5 liters of liquid per plant.
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