前言番木瓜(Carica papaya L.)为多年生常绿性软木质小乔木,它的生长发育较快,结果早,定植后六个月至一年即开始结果,并且是一年可多次收获的果树。是从热带和亚热带地区引进作果园栽培或庭园果树而被广泛栽培的。番木瓜病毒病最先在1929年发现于牙买 Introduction Carica papaya L. is a perennial evergreen softwood small tree that grows rapidly with early results beginning six months to one year after colonization and is harvested multiple times a year Fruit trees. It is widely cultivated by the introduction of orchards or garden fruit trees from tropical and subtropical regions. Papaya virus disease first discovered in Jamaica in 1929