Wang Jianguo, a vegetable farmer in Weicheng District, Weifang City, Shandong Province, asked: The tomato trees are weak, and the sunny days are wilting. After pulling out, the roots are turned brown. How is this going to happen?
Xiaohong Yang: The occurrence of this condition indicates that the tomato had a root rot and must be rooted. The idea of ​​irrigating roots is to cure root rot and promote rooting. Can be used 20% azoxystrobin water dispersible granules (Cypuda) 1200 times mixed with 12% dimethylmethyl formamethaming Suspension (Caimu) 600 times, with 50% Spring Thunder Wang WP (orange) 600 times the liquid, the interval of 5 to 7 days and then irrigated once, is effective against Phytophthora root rot, Pythium root rot, Fusarium root rot.
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