朽根为绿豆芽、黄豆芽生产中常见生理性病害 ,发病率较高。轻时对豆芽生产无明显影响 ,严重时显著降低豆芽的品质甚至丧失食用价值。症状识别此病主要为害豆芽的胚根 ,初期在病根表面出现大小不等浅锈黄色不定形浸润斑 ,无明显边缘。以后病部中央呈明显锈褐色凹陷 ,相互连接成 Mud for the mung bean sprouts, bean sprouts production of common physiological diseases, the incidence is higher. Light on the production of bean sprouts no significant effect, significantly reduce the quality of bean sprouts even loss of food value. Symptoms identification The disease is mainly affected by the radicle sprouts, the initial appearance of diseased root surface ranging from shallow rust yellow infiltrated spots, no obvious edge. After the central part of the disease was significantly brown rust depression, connected into each other