１对小麦白粉病采用综合防治的必要性７０年代以前对小麦白粉病很少进行过大面积防治，１９８０年之后，由于病害日益扩展，引起了各地的重视，相继开展了防治白粉病的研究和实践。根据该病害的特点采用综合防治是完全必要的。这是因为：第一，小麦白粉病是靠气流传播的，... 1 The need for integrated control of wheat powdery mildew The need for large-scale control of wheat powdery mildew was seldom conducted before the 1970s. Since 1980, due to the growing disease, the disease has drawn great attention everywhere and research on powdery mildew prevention and control has been carried out one by one practice. According to the characteristics of the disease using integrated control is completely necessary. This is because: first, wheat powdery mildew is spread by air ...