[Symptoms] The upper leaves, petioles and twigs of the diseased plants are chlorotic along the veins, and then become thin-lined. The stem segments are short and the branches and leaves are clustered. The middle and lower blades are rolled up into a cylindrical shape. The petals grow into giant flowers, and the results are small and small. The field is often mixed with several other viral diseases. [Cause] The virus overwinters on the perennial weeds and is transmitted by aphids. The occurrence of viral diseases is closely related to environmental conditions. High temperature and drought are good for the disease. In addition, management of extensive, partial application of nitrogen fertilizer, plant growth and thinness, soil inferiority, compaction, poor drainage and ventilation are all conducive to disease occurrence. [Control methods] 1 Agricultural measures should be planted in a timely manner, cultivate strong seedlings, plant early in time, promote early development, prevent high temperature and water shortage, timely irrigation in drought, apply full-fertilized organic base fertilizer, implement formula topdressing, spray love more than 6000 Double liquid or phytoalexin 7500 times solution to improve disease resistance. Select resistant varieties, such as Zhongshu No. 4, Jiafen No. 10, Jiafen No. 15, Double Antibiotic No. 2, Xifen No. 2, and Maofen 802. 2 seed disinfection first soak the seeds with cold water for 6 to 10 hours, then soak seeds with 10% trisodium phosphate solution for 20 minutes, remove the rinse and then germination and sowing, or soak seeds for 10 minutes with 1000 times of planting disease. 3 control aphids with 50% octanoic acid emulsifiable concentrate 4000 times liquid and other chemicals to control aphids, reduce the transmission of drugs. 4 chemical control (participation in tomato stripe virus disease). Bestware Stainless Steel Faucet brings the fine design and high technology together in all areas of the product process beyond Pull Out Faucet , Commercial Faucet and Commercial Kitchen Faucet. With extensive range of components, we can offer a large selection of both standard Pre-rinse Faucet and custom Basin Tap units as well as flexible combination. Stainless steel is 100% recyclable and is comprised of over 60% recycled material, Bestware faucets are the perfect solution in the commercial and industry for better water quality and the circumvention of the development of deleterious substances and bacteria. No plating, no oxidizing, no rust, lead free. Stainless Steel Faucet,Black Stainless Steel Faucet,Stainless Faucet,Stainless Steel Bathroom Faucet Bestware Hardware Production Co., Ltd. , https://www.bestwarefaucets.com