大白菜黑斑病病原鉴定及品种抗性评价  

Resistance Evaluation and Pathogen Identification of Black Spot of Chinese cabbage

作　　者：刘丽[1] 刘长远[1] 汪岐禹 

机构地区：[1]辽宁省农业科学院植物保护研究所,辽宁沈阳110161 [2]辽宁省经济作物研究所,辽宁辽阳111000

出　　处：《辽宁农业科学》2015年第1期80-81,共2页Liaoning Agricultural Sciences

基　　金：辽宁省设施蔬菜产业创新团队项目

摘　　要：对辽宁省大白菜黑斑病进行调查、病样采集、病菌分离及形态鉴定,并对12份大白菜品种进行抗病性鉴定。结果表明,大白菜黑斑病由芸薹链格孢引起,12份大白菜品种对黑斑病抗性存在较大差异,感病品种有孙家湾5号、天津小青、河头早,中抗品种有辽白21号、辽白7号、辽白12号和辽白8号,抗病品种有辽白19号、辽白22号、辽白10号、秋绿75和水师营10号。Black spot disease of Chinese cabbage was investigated and disease samples were collected in Lia- oning Province. The pathogen was isolated and purified by single spore and identified by morphology. The dis- ease resistances of 12 Chinese cabbage varieties were identified. The results showed that black rot caused by Alternaria brassicae and disease resistances of the Sunjiawan No. 5 ,Tianjinxiaoqing, Hetouzao with resistance, and Liaobai No. 19, No. 22, No. 10, 12 kinds of Chinese cabbage had great differences, including infection, Liaobai No. 21, No. 7, No. 12, No. 8 with moderate autumn green 75 and Navy Camp No. 10 with resistance.

关 键 词：大白菜 黑斑病 链格孢 抗病性 

分 类 号：S432.21[农业科学—植物病理学]