十字花科黑腐病(Xanthomonas compestris(Pam)Dowson.是十字花科作物的重要病害。1986年在宝鸡、杨陵等地菠菜上发现了类似十字花科黑腐病叶缘V形症状。经接种试验结果,甘蓝黑腐病的寄主除十字花科外,对非十字花科菠菜的感染率为100％,潜育期3—4天.用菠菜黑腐病原接种液感染十字花科蔬菜结果,对姜城甘蓝感染率为86.67％、 Xanthomonas compestris (Pam) Dowson. Is an important disease of cruciferous crops. In 1986, similar V-shaped symptoms of cruciferous black rot were found on spinach in Baoji and Yangling, The results showed that the infection rates of non-cruciferous spinach except for cruciferous cabbage were 100% for the black cabbage rot and 3-4 days for the latent period.The results of infection of cruciferous vegetables with black rot pathogen inoculation liquid of spinach, The rate of Jiangcheng cabbage infection was 86.67%