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番木瓜(Carica Papaya)是人们喜爱吃的一种瓜果。但容易受番木瓜环斑花叶病毒侵染引起花叶病。据文献报道:此病可通过汁液摩擦和昆虫(桃蚜、棉蚜)传染,系非持久性病毒。据我们在广州市五山、石牌等地初步调查,感病率系数在90％以上。造成翌年减产30—50％,严重的达70％,对番木瓜生产威协很大。病株开花结实减少。不易成熟,质地硬化,含糖量下降,多数果实丧失食用价值。
Carica Papaya is a fruit that people love to eat. But easily affected by papaya ring mosaic virus caused mosaic disease. It is reported in the literature: The disease can be infected by juice friction and insects (Myzus persicae, cotton aphid), Department of non-persistent virus. According to our preliminary investigation in Guangzhou Wushan, Shipai and other places, the prevalence coefficient is above 90%. Resulting in a 30-50% reduction in the following year and a serious increase of 70%. Strain reduced flowering firm. Not easy to mature, texture hardening, sugar content decreased, the majority of fruit loss of food value.