抗青枯病烟草品种在重庆市武隆烟区的适应性研究  

Study on Adaptability of Tobacco Varieties Resistant to Bacterial Wilt in Wulong Tobacco-growing Area of Chongqing

作　　者：梁颖涛[1] 代先强[1] 杨昌全[1] 彭一洪 郑子豪 邓可宣 陈少鹏[1] LIANG Yingtao;DAI Xianqiang;YANG Changquan;PENG Yihong;ZHENG Zihao;DENG Kexuan;CHEN Shaopeng(Chongqing Tobacco Company,Chongqing 400020,China;College of Agriculture and Biotechnology,Southwest University,Chongqing 400715,China)

机构地区：[1]中国烟草总公司重庆市公司,重庆400020 [2]西南大学农学与生物科技学院,重庆400715

出　　处：《植物医学》2023年第6期36-42,共7页Plant Health and Medicine

基　　金：重庆市烟草专卖局科技项目(C20221NY3433).

摘　　要：武隆是渝东南烟草青枯病高发烟区之一.为筛选适合重庆渝东南烟区种植的优良青枯病抗性品种,保障渝东南烟区烟草产量和品质,本研究以武隆当地主栽烟草品种“云烟87”和“K326”为研究对象,与近年来选育的青枯病抗性新品种“安烟2号”“安烟3号”“湘烟7号”和“贵烟36”进行对照试验,对各品种的青枯病抗病性、生育期、植物学性状、农艺性状、经济和品质性状等进行综合评价.结果表明,“贵烟36”的青枯病发病率低于“K326”和“云烟87”,病情指数与“K326”相当,低于“云烟87”.其次为“湘烟7号”,“湘烟7号”的发病率和病情指数均略高于“K326”和“云烟87”.“安烟2号”和“安烟3号”表现较差,发病率和病情指数均远高于“K326”和“云烟87”.经济性状显示“湘烟7号”和“贵烟36”每667 m 2的产值分别为3031.8元和3075.3元,与“云烟87”相当,略低于“K326”;烟叶内在化学成分分析显示“安烟3号”和“湘烟7号”表现较好.综合试验结果表明,“湘烟7号”可进一步在渝东南地区进行验证推广.The tobacco-growing area of Southeast Chongqing,particularly Wulong county,is an area with high incidence of tobacco bacterial wilt.In order to screen excellent bacterial wilt resistant varieties suitable for planting in the tobacco-growing area of Southeast Chongqing,four bacterial wilt resistant varieties‘Anyan No.2’‘Anyan No.3’‘Xiangyan No.7’and‘Guiyan 36’were tested in Wulong to evaluate their disease resistance,botanical characters,agronomic characters,economic characters and quality characters.The Wulong local main tobacco varieties‘Yunyan 87’and‘K326’were used as the research objects.The results demonstrated that the incidence rate of bacterial wilt in‘Guiyan 36’was significantly lower than that of‘K326’and Yunyan 87.The disease index of‘Guiyan 36’was equal to that of‘K326’and lower than that of‘Yunyan 87’.The incidence rate and disease index of‘Xiangyan No.7’were slightly higher than those of‘K326’and‘Yunyan 87’.The incidence rate and disease index of‘Anyan No.2’and‘Anyan No.3’were significantly higher than those of‘K326’and‘Yunyan 87’.The economic characteristics showed that the output values of‘Xiangyan No.7’and‘Guiyan 36’were 3031.8 yuan/667 m 2 and 3075.3 yuan/667 m 2,respectively,which were equivalent to‘Yunyan 87’and slightly lower than‘K326’.In terms of chemical quality,the C3F leaves of‘Xiangyan No.7’and‘Anyan No.3’had the best chemical composition.In conclusion,our data showed that‘Xiangyan No.7’had good tobacco bacterial wilt resistance,and economic and chemical qualities,which is most suitable for planting in Wulong.

关 键 词：烟草 烟草青枯病 抗性品种筛选 经济性状 化学品质 

分 类 号：S432.4[农业科学—植物病理学]