Rizhao City, Shandong Province, vegetable farmers advice: tomato middle and lower leaves with brown lesions, white dots in the middle, after the expansion of cracking, playing a few drugs can not, what is this disease, how to prevent? Shao Shu Ce answer: This is tomato leaf spot disease. The disease is related to the resistance of the varieties, the plants are too prosperous, the fields are closed, and the humidity is heavy. Pay attention to playing the old leaves, control the prosperous, drain moisture. Chemicals can be used to control difenoconazole 20 grams per barrel of water, 50 grams of noble copper, 100 grams available to spray 10 grams. Can also be used green or Lunasenjia noble copper or orange light spray control. Kitchen Towel,Disposable Kitchen Towel,Digital Print Kitchen Towel,Eco Friendly Kitchen Towel YIWU CHUANGCHENG IMPORT&EXPORT CO.,LTD , https://www.tradingsix.com