Papaya tree cultivation: what is papaya mosaic virus disease?

What is papaya mosaic virus disease? What are the prevention and control methods of papaya mosaic virus disease? Please introduce the harm of papaya mosaic virus: papaya mosaic virus is a destructive disease commonly occurred in papaya producing areas in recent years. After one kind of plant, the disease will occur, there are mottled yellow flowers on the leaves, the new leaves are dense and tight, quickly lose green and become hard and brittle, easy to break, and then do not send new roots, do not grow new leaves, the plant grows smaller and smaller, and gradually wither and die. The infected plants of papaya mosaic virus can not blossom and bear melon, so the yield is low and the quality is poor. The prevention and control methods of papaya mosaic virus disease are as follows: 1. After the seedlings of papaya are planted and survived, the roots are drenched with a mixture of 1000 times zinc sulfate and 600x plant virus vaccine, about 1.5kg per plant, in order to weaken the virus activity in papaya plants. it can obviously reduce the occurrence and harm of papaya mosaic virus disease. 2. In the process of growth and development of papaya plant, spraying 600x plant virus vaccine, 1500 fold Shennongsu chelate fertilizer, 1000 fold zinc sulfate mixture, or 800x virus Bike, 1000 times Zhuangfengyou, 1000 times zinc sulfate mixture, evenly wet all leaves, it is appropriate to start dripping water, which can prevent the occurrence and harm of papaya mosaic virus disease. 3. Pay attention to the control of insects that spread mosaic virus disease, such as aphids, scale insects and whitefly. During the growth and development of papaya, pay attention to check the stems and leaves, and when the above pests are found to be harmful, spray 1000 times aphid lice clean water solution, or 1500 times scale lice clean water solution, or 1000 times scale lice clean water solution, or 1000 times scale lice water solution, once every 7 to 10 days, spray all stems and leaves evenly, in order to start to drop water droplets, it is appropriate to kill the above pests and avoid the spread of mosaic virus. Click to get more papaya tree planting techniques click to get more fruit planting techniques