The most serious disease in rapeseed production in the Yangtze River Basin is
A、A, virus disease ;
B、B, downy mildew ;
C、C, powdery mildew ;
D、D, sclerotia
发布时间:2025-07-09 00:58:02
A、A, virus disease ;
B、B, downy mildew ;
C、C, powdery mildew ;
D、D, sclerotia