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2022 Volume 1 Issue 6
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WANG Xiaoyan, JIANG Long, HU Litao, et al. Effects of Several Plant Inducer Agents on Disease Resistance and Agronomic Traits of Tobacco[J]. PLANT HEALTH AND MEDICINE, 2022, (6): 78-88. doi: 10.13718/j.cnki.zwyx.2022.06.009
Citation: WANG Xiaoyan, JIANG Long, HU Litao, et al. Effects of Several Plant Inducer Agents on Disease Resistance and Agronomic Traits of Tobacco[J]. PLANT HEALTH AND MEDICINE, 2022, (6): 78-88. doi: 10.13718/j.cnki.zwyx.2022.06.009
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Effects of Several Plant Inducer Agents on Disease Resistance and Agronomic Traits of Tobacco

  • 1. College of Plant Protection, Southwest University, Chongqing 400715, China;

  • 2. Chongqing Fengdu Branch, China National Tobacco Corporation, Chongqing Fengdu 408200, China;

  • 3. Chongqing Shizhu Branch, China National Tobacco Corporation, Chongqing Shizhu 409100, China;

  • 4. Chongqing Tobacco Research Institute, Chongqing 400715, China

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  • Received Date: 02/09/2022

  • MSC: S572

  • In order to clarify the effects of plant inducer agents on common tobacco diseases, using variety “Yunyan 87” as the material, the effects of several kinds of plant inducer agents on the disease resistance and the agronomic traits of tobacco were investigated. The results showed that zinc sulfate and Haf total could improve the activity of resistance-related Superoxide Dismutase(SOD) enzyme in tobacco, and had better control effect on tobacco mosaic disease, wildfire disease and brown spot disease, also increased the height of tobacco plants. By comparing different application methods, it was found that foliar spraying had better effect on control of diseases and no significant effect on agronomic traits. With the application at different growth periods of tobacco, it was found that the application at rosette stage had a better prevention effect on tobacco diseases, and also had a certain growth-promoting effect on tobacco leaf width. This study provides a theoretical basis for tobacco disease control and improvement of tobacco agronomic characters.
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Effects of Several Plant Inducer Agents on Disease Resistance and Agronomic Traits of Tobacco

  • Received Date: 02/09/2022

Abstract: In order to clarify the effects of plant inducer agents on common tobacco diseases, using variety “Yunyan 87” as the material, the effects of several kinds of plant inducer agents on the disease resistance and the agronomic traits of tobacco were investigated. The results showed that zinc sulfate and Haf total could improve the activity of resistance-related Superoxide Dismutase(SOD) enzyme in tobacco, and had better control effect on tobacco mosaic disease, wildfire disease and brown spot disease, also increased the height of tobacco plants. By comparing different application methods, it was found that foliar spraying had better effect on control of diseases and no significant effect on agronomic traits. With the application at different growth periods of tobacco, it was found that the application at rosette stage had a better prevention effect on tobacco diseases, and also had a certain growth-promoting effect on tobacco leaf width. This study provides a theoretical basis for tobacco disease control and improvement of tobacco agronomic characters.

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