确定引起云南番木瓜花叶病的病原为番木瓜环斑病毒。
Papaya mosaic disease was found in Xishuangbanna, Baoshan, Chuxiong and Yuxi in Yunnan province.
夏威夷的木瓜在1998年引入基因改良的品种之前，由于环斑病毒的影响，产量已经降低了。
The ringspot virus had halved papaya production in Hawaii before a resistant GM strain was introduced in 1998.
这种环斑病毒几乎摧毁了全泰国的番木瓜，而它是很多泰国人的一日三餐。
The virus, called ringspot, has decimated nearly all of Thailand's papaya, a staple food that many Thai people eat three times a day.
比如，在夏威夷有一种新的抗虫害的番木瓜树。这种树可以抵抗环斑病毒的感染，而正是这种环斑病毒常常会降低当地番木瓜树的数量。
In Hawaii, for example, a new pest-resistant species of papaya tree has been developed in response to ring-spot virus infections that have repeatedly damaged the native papaya-tree population.
比如，在夏威夷有一种新的抗虫害的番木瓜树。这种树可以抵抗环斑病毒的感染，而正是这种环斑病毒常常会降低当地番木瓜树的数量。
In Hawaii, for example, a new pest-resistant species of papaya tree has been developed in response to ring-spot virus infections that have repeatedly damaged the native papaya-tree population.
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