我们家载的大葱叶子上出现斑点,不知道这是怎么回事?应如何治疗?另外,百菌清和多菌灵是否是同一种药物?要是不一样,作用有什么不同?读者荆俊清荆俊清读者:您好!现就您所咨询的问题,答复如下:根据您对大葱病害的形容,可能是大葱黑斑病,逢阴雾天气易发病。病斑多在葱叶上,为椭圆形或纺锤形,橙黄色,稍 On the leaves of our home contained on the leaves appear spots, do not know how this is going? How to treat? In addition, chlorothalonil and carbendazim is the same drug? If not, what is the difference? Readers Jing Junqing Jing Junqing Readers: Hello! Now you consult the questions, the reply is as follows: According to your description of the disease onions, may be scallion black spot, every foggy weather prone. Lesions are mostly onions, oval or spindle, orange, slightly