油菜是我省最主要的油料作物,汉中地区种植尤多。解放以来,油菜生产得到了很快的发展,产量逐年提高。但近来油菜病害日趋严重,每年都造成一定程度的损失,特别是本地油菜损失很大。为了进一步提高产量,促进油菜生产的全面大跃进,必须大力开展病害的防治工作。现将油菜几种主要病害的识别和防治 Rape is the most important oilseed crop in our province, especially in Hanzhong. Since liberation, rapeseed production has been developed rapidly, and output has been increasing year by year. However, the rape diseases have become increasingly serious recently, causing some losses each year. In particular, the loss of local rapeseed is very large. In order to further increase the yield and promote the all-round great leap forward in rapeseed production, we must vigorously carry out disease prevention and control work. Rape is now several major diseases identification and prevention