1. Melon damping-off disease: This disease is easy to infect at seedling stage. The seeds may rot before being unearthed, and the unearthed seedlings appear yellow waterlogging spots near the ground, and then turn yellow-brown, dry and atrophy.
2. Melon downy mildew: The disease mainly harms melon leaves and occurs from bottom to top.
3. Melon powdery mildew: The disease mainly infects leaves of plants, followed by stems and petioles.
4. Melon anthracnose: The infected leaves are round to spindle-shaped water-soaked spots at first, then turn into dark brown spots, and pink mucilage will flow out of the leaves when wet. Petiole or melon vine is a pale yellow round spot soaked in water at first, which turns black after a little depression, and the whole plant dies after the diseased spot surrounds the vine for one week. The fruit is infected, brown and sunken, and often cracks and overflows pink sticky substance, resulting in deformity or shedding of young melons.
5. Melon charcoal rot: The disease mainly occurs in the rhizome and infects in the adult stage. At first, the roots near the ground were waterlogged, and the cortex was easy to crack or peel off, oozing brown or brown juice, which led to plant wilting. The fruit is diseased and the surface is cracked.
6. Melon Fusarium wilt: At the early stage of the disease, the leaves gradually wilted from the old leaves to the front end, which appeared to be short of water, especially at noon, and recovered in the morning and evening. After 3 ~ 6 days, the whole leaf withered and drooped, and finally the whole plant died.
In order to accurately diagnose melon diseases, it is suggested that you consult local agricultural experts or consult local plant hospitals. Early treatment and prevention are very important to control melon diseases.