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Let's see what's wrong with this melon, what medicine is used to treat it, and how to prevent other diseases that are not.
The picture is not clear, the possibility of wilt is high, watermelon withers, and seedlings wither when they are sick. The lower leaves of adult plants wither and then the whole plant dies. Brown spots appear at the base of the stem, and sometimes amber glue flows out from the diseased part. The vascular bundles of stems are browned, and some of them have longitudinal cracks. The roots are brown and rotten. Serious blockage removal, mild symptoms and diseases can be prevented by root irrigation with metalaxyl or hymexazol+Bacillus subtilis.