香蕉生长快,产量高,周年可以结果,果实气味芳香,含有丰富的营养物质,是一种人们喜爱的主要热带水果,在热带的许多地区香蕉还作为主要的粮食和蔬菜。香蕉的根、茎、叶以至花、果,在整个生长期都可以受到多种病害的危害。据国外报道,由细菌引起的有7种,真菌的30多种,病毒2种,线虫38种,加之缺乏元素等引起的生理病害共几十种。不少地区,病害使香蕉生产遭受了很大的损失。据wardlaw Bananas grow fast, produce high yields, anniversaries can produce fruit flavors, and are rich in nutrients that make them a favorite tropical fruit. Bananas are also staple foods and vegetables in many parts of the tropics. Banana roots, stems, leaves and flowers, fruits, throughout the growing season can be a variety of diseases hazards. According to foreign reports, there are 7 species caused by bacteria, more than 30 kinds of fungi, 2 kinds of viruses, 38 kinds of nematodes, in addition to a total of dozens of physiological diseases caused by lack of elements. In many areas, diseases have suffered a great loss of banana production. According to wardlaw