1.立枯病病原菌及症状半知菌亚门茄丝核菌,近土表3～5厘米干湿交替处,病菌入侵后,嫩茎基部呈黄褐色(浅黄色)凹陷长斑,腐烂、缢缩,地上部倒伏死亡;菌丝体絮状至蛛丝状,早春出苗后,在幼苗展叶期间,如果遇到低温、冷湿的情况容易造成立枯病。防治方法土壤处理,药剂拌种:敌克松、多 1. Blight pathogen and symptoms Candida albicans Rhizoctonia solani, near the soil table 3 to 5 cm alternating wet and dry, bacteria invasion, the tender stem base was brown (light yellow) Depression long spot, decay, Shrunken, the ground above the Ministry of lodging death; mycelium flocculent to arachnoid, early spring after emergence, in the seedling leaves, if you encounter low temperature, cold and wet conditions are likely to cause blight. Prevention and treatment of soil treatment, pharmaceutical dressing: the enemy Kesi, and more