油菜黑胫病防治1与非十字花科作物轮作两年。油菜收获后,将病残株集中烧毁或深翻土地进行深埋,以减少初侵染源。2苗床消毒播种前每平方米苗床用50%多菌灵可湿性粉剂或70%甲基硫菌灵或50%敌磺钠可溶性粉剂8g,加20倍细土混匀撒施,进行苗床消毒。3发病初期及时防治,可以喷洒下列药剂:50%苯菌灵可湿性粉剂800-1 500倍液+50%福美双可湿性粉剂500倍液;50%多菌灵可湿性粉剂 Prevention and treatment of rape blackleg disease 1 and non-cruciferous crop rotation for two years. After the rapeseed is harvested, the diseased plants are burnt down or dug deep into the ground to reduce the source of primary infection. 2 seedbed disinfection before planting per square meter of seedbed with 50% carbendazim WP or 70% thiophanate-methyl or 50% sodium sulfonate soluble powder 8g, plus 20 times fine soil mixing spread, seedbed disinfection. 3 early onset of timely prevention and control, you can spray the following agents: 50% benomyl WP 800-1 500 times 50% thiram 500 times; 50% carbendazim WP