| 释义 |
rough-bark
\ˈ ̷ ̷ˌ ̷ ̷\ noun
or rough-bark disease
1. : any of several virus diseases of woody plants (as cherry, apple, citrus) characterized by generalized roughening and often longitudinal splitting of the bark
2. : a disease of apples that is caused by a fungus (Phomopsis mali) and produces rough cankers on the twigs and branches
3. : a nonparasitic disease of fruit trees (as apples and pears) characterized by a general roughening of the bark and not by local cankers |