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环斑病 [huán bān bìng]
[植保] ring spot
- 研究了水杨酸对番木瓜环斑病的防治效果。
The result showed that papaya ringspot virus disease was effectively controlled by SA treatment. - 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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