powdery scab

常见例句

The composite is used for disease control of crops of fruit trees, wheat, vegetables, and the like, especially the important nosomycosis of powdery mildew, scab, cork spot, and the like.
本发明组合物用于果树、小麦、蔬菜等作物的病害防治，尤其是白粉病、黑星病、斑点落叶病等重要真菌病害。
ip.com
During the growth of Euonymus japonicus L. in Jiangxi, the various diseases such as anthracnose, brown spot, scab, powdery mildew, leaf spot, leaf blight, coal soot and virus diseases were caused.
江西省大叶黄杨在生长发育过程中的主要病害有炭疽病、褐斑病、疮痂病、白粉病。