英德
有道
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维基
百科
环斑 [huán bān]
[植保] ring spot
- 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. - 其症状特点是：病叶表现水渍状环斑及花叶，叶柄及茎部有水渍状条斑，果实上有明显的水渍状环斑。
The infected plants have water-soaked ring spots and mosaic lesions on their leaves and fruit and water-soaked stripes on their petioles and stems.
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