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2022 Volume 1 Issue 3
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WANG Yao, LI Kunhong, CHAO Jin, et al. Synergistic Effect of S-Abscisic Acid Combined with Zhongshengmycin on Control of Tobacco Bacterial Wilt[J]. PLANT HEALTH AND MEDICINE, 2022, (3): 47-53. doi: 10.13718/j.cnki.zwyx.2022.03.007
Citation: WANG Yao, LI Kunhong, CHAO Jin, et al. Synergistic Effect of S-Abscisic Acid Combined with Zhongshengmycin on Control of Tobacco Bacterial Wilt[J]. PLANT HEALTH AND MEDICINE, 2022, (3): 47-53. doi: 10.13718/j.cnki.zwyx.2022.03.007
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Synergistic Effect of S-Abscisic Acid Combined with Zhongshengmycin on Control of Tobacco Bacterial Wilt

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

  • 2. Xiangxi Prefecture Branch of Hunan Tobacco Company, Jishou Hunan 416000, China;

  • 3. Tongzi Branch of Zunyi Company of Guizhou Tobacco Company, Zunyi Guizhou 563200, China

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  • Received Date: 17/06/2022

  • MSC: S435.72

  • To clarify the control feasibility and effect of plant immune inducers combined with bio-pesticides against tobacco bacterial wilt (Ralstonia solanacearu), and provide a practical basis for alleviating the occurrence of tobacco bacterial wilt. Taking ‘Yunyan 87’ cultivar as the research object, the effects of different concentrations of S-Abscisic acid on the disease resistance of flue-cured tobacco and the effect of combined with Zhongshengmycin on control of tobacco bacterial wilt in the field and agronomic traits of flue-cured tobacco were studied. The results of indoor pot experiment showed that there were great differences on disease resistance induced by 1.63~26.00 mg/L S-Abscisic acid, among which 1.63~6.50 mg/L and 26.00 mg/L of S-Abscisic acid were beneficial to the occurrence of bacterial wilt, while the 13.00 mg/L of S-Abscisic acid effectively alleviated the occurrence of tobacco bacterial wilt. The results of field experiments showed that the combination of S-Abscisic acid and Zhongshengmycin could promote the growth of flue-cured tobacco. The agronomic characters such as plant height, stem circumference, maximum leaf length and maximum leaf area were significantly higher than those of the clear water control. In addition, the combination of 13.00 mg/L S-Abscisic acid and 1.33 mg/L zhongshengmycin could effectively alleviate the occurrence of tobacco bacterial wilt. In the early stage (July 8th) and late stage (August 5th) of infection, the control effect could reach 92.05% and 59.87%, respectively. Therefore, the combination of S-Abscisic acid and zhongshengmycin will be expected to alleviate the occurrence of tobacco bacterial wilt in the field and improve the agronomic traits of tobacco.
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Synergistic Effect of S-Abscisic Acid Combined with Zhongshengmycin on Control of Tobacco Bacterial Wilt

  • Received Date: 17/06/2022

Abstract: To clarify the control feasibility and effect of plant immune inducers combined with bio-pesticides against tobacco bacterial wilt (Ralstonia solanacearu), and provide a practical basis for alleviating the occurrence of tobacco bacterial wilt. Taking ‘Yunyan 87’ cultivar as the research object, the effects of different concentrations of S-Abscisic acid on the disease resistance of flue-cured tobacco and the effect of combined with Zhongshengmycin on control of tobacco bacterial wilt in the field and agronomic traits of flue-cured tobacco were studied. The results of indoor pot experiment showed that there were great differences on disease resistance induced by 1.63~26.00 mg/L S-Abscisic acid, among which 1.63~6.50 mg/L and 26.00 mg/L of S-Abscisic acid were beneficial to the occurrence of bacterial wilt, while the 13.00 mg/L of S-Abscisic acid effectively alleviated the occurrence of tobacco bacterial wilt. The results of field experiments showed that the combination of S-Abscisic acid and Zhongshengmycin could promote the growth of flue-cured tobacco. The agronomic characters such as plant height, stem circumference, maximum leaf length and maximum leaf area were significantly higher than those of the clear water control. In addition, the combination of 13.00 mg/L S-Abscisic acid and 1.33 mg/L zhongshengmycin could effectively alleviate the occurrence of tobacco bacterial wilt. In the early stage (July 8th) and late stage (August 5th) of infection, the control effect could reach 92.05% and 59.87%, respectively. Therefore, the combination of S-Abscisic acid and zhongshengmycin will be expected to alleviate the occurrence of tobacco bacterial wilt in the field and improve the agronomic traits of tobacco.

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