大豆锈病是大豆叶部常见的病害之一，其发生危害必然影响大豆的正常生长，造成产量损失，品质下降。大豆锈病的病原菌为豆薯层锈菌，该菌在自然条件下，仅发现夏孢子和冬孢子阶段，夏孢子是侵染寄主的侵染原。叶片被侵染主要从叶背开始，最初叶片上出现灰褐色小点，以后病... Soybean rust is one of the most common diseases in soybean leaves. The damage will inevitably affect the normal growth of soybean, resulting in the loss of yield and the decrease of quality. The pathogen of soybean rust is Phakopsora pachyrhizi. Under natural conditions, only the summer spores and teliospores are found, and the uredospore is the infectious agent that infects the host. The leaves are infected mainly from the leaf back, the first blade appeared taupe dots, later disease ...