Papaya tree cultivation: what is papaya seedling rot disease?

What is the root rot of papaya seedlings? What harm does papaya seedling rot root disease have? How to prevent and cure root rot of papaya seedlings? Please guide the introduction of papaya root rot disease, also known as papaya root rot disease, the main harm of papaya seedling root rot disease: root rot disease is mainly harmful to the root neck and roots, seedlings in the seedling stage and soon after planting are more susceptible to the disease. In particular, the high groundwater level or poor drainage in nursery land and cultivated land are easy to cause stagnant water and soil stickiness. At the beginning of the disease, the plant appeared watery in the stem base, then turned brown and rotted, the leaves withered, the plant withered, the root became brown and necrotic, and the root rot pathogen was transmitted by flowing water. Papaya root rot control methods: 1, the seedling shed should be ventilated and transparent, the temperature should be lowered, the seedling and planting land should be well drained to avoid stagnant water; before the rainy season, 1000ppm (about 1000 times dilution) phosphite can be sprayed 3 times, once every seven days, with a good preventive effect. When in use, phosphorous acid shall be prepared on the same day and be neutralized with equal weight of potassium hydroxide. 2. Avoid continuous cropping or continuous cropping with vegetable fields (especially the previous crop is Cucurbitaceae); pay attention to the control of snails and ants; remove diseased plants when diseased plants are found, and the disease should be protected with liquid medicine. Use 1000 times of 70% dimethazone wettable powder or 50% carbendazim wettable powder, 0.3-0.5kg per plant, once in 7-10 days, and continuous irrigation 2-3 times in 7-10 days. Click to get more papaya tree planting techniques click to get more fruit planting techniques