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2021 Volume 34 Issue 6
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FU Pinshan, YANG Lei, ZHANG Shuai, et al. Effects of Different Application Methods of Pseudomonas fluorescens on the Occurrence of Tobacco Bacterial Wilt in Field[J]. PLANT HEALTH AND MEDICINE, 2021, (6): 28-32. doi: 10.13718/j.cnki.zwys.2021.06.006
Citation: FU Pinshan, YANG Lei, ZHANG Shuai, et al. Effects of Different Application Methods of Pseudomonas fluorescens on the Occurrence of Tobacco Bacterial Wilt in Field[J]. PLANT HEALTH AND MEDICINE, 2021, (6): 28-32. doi: 10.13718/j.cnki.zwys.2021.06.006
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Effects of Different Application Methods of Pseudomonas fluorescens on the Occurrence of Tobacco Bacterial Wilt in Field

  • 1. China Tobacco Hunan Industry Co., Ltd, Changsha 410007, China;

  • 2. Youyang County Branch of Chongqing Tobacco Company, Chongqing 409800, China;

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

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  • Received Date: 01/11/2021

  • MSC: S435.72

  • Tobacco bacterial wilt is widespread in the tobacco-growing areas in southwestern China and is a main disease that affects the quality and yield of tobacco leaves. In order to reduce the harm imposed on tobacco crop by this disease and provide a theoretical basis for the scientific application of microbial agents and for the promotion of the healthy, green and sustainable development of the tobacco industry, a field experiment was made with Yunyan 87, the main variety of flue-cured tobacco, to explore the effects of different application methods of Pseudomonas fluorescens on the occurrence of tobacco bacterial wilt and the growth and development of tobacco. The results showed that application of the microbial (P. fluorescens) fertilizer at 5 g/hill during transplanting had the highest control efficiency on tobacco bacterial wilt, with an ultimate control efficiency of 31.70%, and root irrigation with 100 mL of the microbial bacterial solution gave a control efficiency of 27.35%. The tobacco plants in the microbial inoculant treatment area grew more vigorously than those in the control area. In summary, hill application of bacterial fertilizer or root-dressing of bacterial liquid has certain control effects on tobacco bacterial wilt during transplanting.
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Effects of Different Application Methods of Pseudomonas fluorescens on the Occurrence of Tobacco Bacterial Wilt in Field

  • Received Date: 01/11/2021

Abstract: Tobacco bacterial wilt is widespread in the tobacco-growing areas in southwestern China and is a main disease that affects the quality and yield of tobacco leaves. In order to reduce the harm imposed on tobacco crop by this disease and provide a theoretical basis for the scientific application of microbial agents and for the promotion of the healthy, green and sustainable development of the tobacco industry, a field experiment was made with Yunyan 87, the main variety of flue-cured tobacco, to explore the effects of different application methods of Pseudomonas fluorescens on the occurrence of tobacco bacterial wilt and the growth and development of tobacco. The results showed that application of the microbial (P. fluorescens) fertilizer at 5 g/hill during transplanting had the highest control efficiency on tobacco bacterial wilt, with an ultimate control efficiency of 31.70%, and root irrigation with 100 mL of the microbial bacterial solution gave a control efficiency of 27.35%. The tobacco plants in the microbial inoculant treatment area grew more vigorously than those in the control area. In summary, hill application of bacterial fertilizer or root-dressing of bacterial liquid has certain control effects on tobacco bacterial wilt during transplanting.

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