10种烟草品种（系）对烟草靶斑病的抗性分析

郭沫言; 史彩华; 李童; 汪汉成

doi:10.13718/j.cnki.zwyx.2022.05.007

植物医学

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10种烟草品种（系）对烟草靶斑病的抗性分析

, , ,

郭沫言, 史彩华, 李童, 等. 10种烟草品种（系）对烟草靶斑病的抗性分析[J]. 植物医学, 2022, (5): 64-70. doi: 10.13718/j.cnki.zwyx.2022.05.007

引用本文:

郭沫言, 史彩华, 李童, 等. 10种烟草品种（系）对烟草靶斑病的抗性分析[J]. 植物医学, 2022, (5): 64-70. doi: 10.13718/j.cnki.zwyx.2022.05.007

GUO Moyan, SHI Caihua, LI Tong, et al. Analysis of Resistance of Ten Tobacco Varieties （Lines） to Tobacco Target Spot[J]. PLANT HEALTH AND MEDICINE, 2022, (5): 64-70. doi: 10.13718/j.cnki.zwyx.2022.05.007

Citation:

GUO Moyan, SHI Caihua, LI Tong, et al. Analysis of Resistance of Ten Tobacco Varieties （Lines） to Tobacco Target Spot[J]. PLANT HEALTH AND MEDICINE, 2022, (5): 64-70. doi: 10.13718/j.cnki.zwyx.2022.05.007

10种烟草品种（系）对烟草靶斑病的抗性分析

1. 长江大学农学院, 湖北荆州 434025;

2. 贵州省烟草科学研究院, 贵阳 550081

详细信息

作者简介:
郭沫言,硕士研究生,主要从事植物保护学研究. .

中图分类号: S572

Analysis of Resistance of Ten Tobacco Varieties （Lines） to Tobacco Target Spot

1. College of Agriculture, Yangtze University, Jingzhou Hubei 434025, China;

2. Guizhou Academy of Tobacco Science, Guiyang 550081, China

摘要: 为探究烟草不同成熟度烟叶及不同烟草品种(系)对烟草靶斑病的抗性,本研究基于田间病情指数评价了“云烟87”不同成熟度(未熟、适熟和成熟)烟叶对靶斑病的抗性,并采用离体叶片法和田间病情指数评价了“云烟87”“云烟85”“云烟97”“红花大金元”“贵烟5号”“贵烟8号”“GZ36”“K326”“韭菜坪2号”和“毕纳1号”这10个烟草品种(系)对烟草靶斑病的抗性.研究结果发现,成熟叶片对靶斑病抗性最弱,病情指数为90.20,其次为适熟叶片,病情指数为66.67,而未熟叶片抗性最强,病情指数为25.00.结合室内和田间的调查结果发现,10个烟草品种(系)对烟草靶斑病表现出不同抗性,其中“韭菜坪2号”抗性最强,接菌10 d时平均病斑直径为12.38 mm,调查14 d时田间病情指数为60.00;其次为“云烟97”“云烟85”“毕纳1号”“贵烟8号”“云烟87”“红花大金元”和“GZ36”,病斑直径范围为18.00~23.00 mm;“贵烟5号”和“K326”抗性较弱,病斑直径为24.28 mm和25.91 mm, 14 d时田间病情指数分别为68.44和62.67.研究结果提示,不同成熟度烟叶抗性表现不同,不同品种烟草对烟草靶斑病表现抗性不同,可为烟草靶斑病抗性种质资源的筛选提供参考.
- 烟草 /
- 烟草靶斑病 /
- 品种抗性鉴定
Abstract: To investigate the resistance of tobacco leaf at different maturity levels and different varieties(lines) to tobacco target spot disease, the resistance of ‘Yuyan 87' tobacco leaf at different maturity levels(immature, proper mature and mature) to target spot disease was conducted by surveying of disease index in the field, and the resistance of 10 tobacco varieties(lines)(‘Yunyan 87'‘Yunyan 85'‘Yunyan 97'‘Honghuadajinyuan'‘Guiyan 5'‘Guiyan 8'‘GZ36'‘K326'‘Jiucaipin 2' and ‘Bina 1') was analyzed by using the detached leaves. The results showed that the resistance of mature leaf to the target spot was the least with a disease index of 90.20, the proper ripe leaf had better resistance with a disease index of 66.67, and immature leaf showed the strongest resistance with a disease index of 25.00. Combining the results of indoor and field surveys, we found that ten tobacco varieties(lines) showed different resistance to tobacco target spot. ‘Jiucaiping 2' presented the highest resistance with a spot diameter of 12.38 mm at 10 days after inoculation(DAI), and the field disease index of 60.00 at 14 days DAI, followed by ‘Yunyan 97'‘Yunyan 85'‘Bina 1'‘Guiyan 8'‘Yunyan 87'‘Honghuadajinyuan' and ‘GZ36' with spot diameters 18.00~23.00 mm. ‘Guiyan 5' and ‘K326' had weak resistance with a spot diameter of 24.28 mm and 25.91 mm at 10 DAI and a field disease index of 68.44 and 62.67 at 14 DAI, respectively. Tobacco leaves at different maturity presented different resistance, and different cultivars exhibited different resistance against tobacco target spot. The outcome of this study could provide some reference for screening resistant tobacco sources for breeding.
- tobacco /
- tobacco target spot /
- cultivar resistance identification .

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10种烟草品种（系）对烟草靶斑病的抗性分析

作者简介: 郭沫言,硕士研究生,主要从事植物保护学研究.
1. 长江大学农学院, 湖北荆州 434025;

2. 贵州省烟草科学研究院, 贵阳 550081

收稿日期: 2022-09-13

基金项目:

关键词:

摘要: 为探究烟草不同成熟度烟叶及不同烟草品种(系)对烟草靶斑病的抗性,本研究基于田间病情指数评价了“云烟87”不同成熟度(未熟、适熟和成熟)烟叶对靶斑病的抗性,并采用离体叶片法和田间病情指数评价了“云烟87”“云烟85”“云烟97”“红花大金元”“贵烟5号”“贵烟8号”“GZ36”“K326”“韭菜坪2号”和“毕纳1号”这10个烟草品种(系)对烟草靶斑病的抗性.研究结果发现,成熟叶片对靶斑病抗性最弱,病情指数为90.20,其次为适熟叶片,病情指数为66.67,而未熟叶片抗性最强,病情指数为25.00.结合室内和田间的调查结果发现,10个烟草品种(系)对烟草靶斑病表现出不同抗性,其中“韭菜坪2号”抗性最强,接菌10 d时平均病斑直径为12.38 mm,调查14 d时田间病情指数为60.00;其次为“云烟97”“云烟85”“毕纳1号”“贵烟8号”“云烟87”“红花大金元”和“GZ36”,病斑直径范围为18.00~23.00 mm;“贵烟5号”和“K326”抗性较弱,病斑直径为24.28 mm和25.91 mm, 14 d时田间病情指数分别为68.44和62.67.研究结果提示,不同成熟度烟叶抗性表现不同,不同品种烟草对烟草靶斑病表现抗性不同,可为烟草靶斑病抗性种质资源的筛选提供参考.

English Abstract

Analysis of Resistance of Ten Tobacco Varieties （Lines） to Tobacco Target Spot

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1. 长江大学农学院, 湖北荆州 434025;
2. 贵州省烟草科学研究院, 贵阳 550081

Received Date: 2022-09-13

Keywords:

Abstract: To investigate the resistance of tobacco leaf at different maturity levels and different varieties(lines) to tobacco target spot disease, the resistance of ‘Yuyan 87' tobacco leaf at different maturity levels(immature, proper mature and mature) to target spot disease was conducted by surveying of disease index in the field, and the resistance of 10 tobacco varieties(lines)(‘Yunyan 87'‘Yunyan 85'‘Yunyan 97'‘Honghuadajinyuan'‘Guiyan 5'‘Guiyan 8'‘GZ36'‘K326'‘Jiucaipin 2' and ‘Bina 1') was analyzed by using the detached leaves. The results showed that the resistance of mature leaf to the target spot was the least with a disease index of 90.20, the proper ripe leaf had better resistance with a disease index of 66.67, and immature leaf showed the strongest resistance with a disease index of 25.00. Combining the results of indoor and field surveys, we found that ten tobacco varieties(lines) showed different resistance to tobacco target spot. ‘Jiucaiping 2' presented the highest resistance with a spot diameter of 12.38 mm at 10 days after inoculation(DAI), and the field disease index of 60.00 at 14 days DAI, followed by ‘Yunyan 97'‘Yunyan 85'‘Bina 1'‘Guiyan 8'‘Yunyan 87'‘Honghuadajinyuan' and ‘GZ36' with spot diameters 18.00~23.00 mm. ‘Guiyan 5' and ‘K326' had weak resistance with a spot diameter of 24.28 mm and 25.91 mm at 10 DAI and a field disease index of 68.44 and 62.67 at 14 DAI, respectively. Tobacco leaves at different maturity presented different resistance, and different cultivars exhibited different resistance against tobacco target spot. The outcome of this study could provide some reference for screening resistant tobacco sources for breeding.