从图中的芭蕉叶可断定它所患的是真菌病的“香蕉黄条叶斑病”。在发病早期,患病的叶片要比这张图片“丑陋”许多。需要注意观察两点:第一点,病斑周边并无透明的感觉,边缘明显,整体感觉干燥,无脓液,据此初步判定非细菌类病害;第二点,注意看病斑上的多个撕裂处,附近有一些明显黑色、区别于底色(灰色)的小斑块乃至细条纹,那些就是霉菌的子实体了。最后,通过搜索互联 From the figure banana leaf can be concluded that it is suffering from fungal disease “banana yellow leaf spot ”. In the early stages of illness, diseased leaves are many “ugly” than this picture. Need to pay attention to observe two points: The first point, there is no transparent feeling around the lesion, the edge is obvious, the overall feeling dry, no pus, thus initially determine the non-bacterial diseases; the second point, pay attention to see more lesions A tear, near some obvious black, different from the background color (gray) of the small plaques and even the stripe, those are the fruiting bodies of the mold. Finally, search through the Internet