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早在1889年就有人报道了香蕉束顶病(BBTD)在斐济岛发生过(Magee,1953).从那以后,澳大利亚、印度、太平洋群岛以及非洲的一些国家如埃及,加蓬(E.Foure,1982),刚果等国也相继有过报道.香蕉束顶病是香蕉和大蕉的一种严重病害.一般认为这种病是由病毒而引起,由香蕉交脉蚜在田间进行持久性传播,也可以通过带毒母株长出的吸芽而蔓延,但不能通过机械传染.这种病毒只在韧皮部组织里增殖并在那里解体(Magee,1939).患病植株在顶部有一束黄叶,在叶脉、中脉和叶柄上有暗绿色条
Banana bunchy top disease (BBTD) was reported in Fiji Island as early as 1889 (Magee, 1953). Since then, Australia, India, the Pacific Islands and some African countries such as Egypt, Gabon (E.Frere, 1982), the Congo and other countries have also reported that banana bunchy top disease is a serious disease of bananas and plantain It is generally believed that the disease is caused by the virus, the banana aphid in the field for persistent transmission, It can also be spread through suction buds grown by virulent strains, but not by mechanical infection. The virus only proliferates in the phloem tissues and disintegrates there (Magee, 1939). The diseased plants have a yellow leaf at the top, Dark green bands on veins, midrib and petiole