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2022 Volume 1 Issue 1
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ZHANG Yuxia, WANG Zhenzhen, ZHANG Shuixiang, et al. Effect of Pseudomonas fluorescens Combined with Organic Fertilizer on Tobacco Bacterial Wilt in Qianjiang[J]. PLANT HEALTH AND MEDICINE, 2022, (1): 41-47. doi: 10.13718/j.cnki.zwyx.2022.01.006
Citation: ZHANG Yuxia, WANG Zhenzhen, ZHANG Shuixiang, et al. Effect of Pseudomonas fluorescens Combined with Organic Fertilizer on Tobacco Bacterial Wilt in Qianjiang[J]. PLANT HEALTH AND MEDICINE, 2022, (1): 41-47. doi: 10.13718/j.cnki.zwyx.2022.01.006
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Effect of Pseudomonas fluorescens Combined with Organic Fertilizer on Tobacco Bacterial Wilt in Qianjiang

  • 1. China Tobacco Henan Industrial Co. LTD, Zhengzhou 450000, China;

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

  • 3. China National Tobacco Corporation Chongqing Qianjiang Branch, Qianjiang Chongqing 409000, China

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  • Received Date: 19/11/2021

  • MSC: S435.72

  • In order to explore the effects of different concentrations of Pseudomonas fluorescens combined with organic fertilizer on tobacco bacterial wilt, determine the optimal concentration to guarantee the microbial control effect on tobacco bacterial wilt, and improve the control efficiency, in this study, the effects of different concentrations of Pseudomonas fluorescens and animal manure on agronomic traits of tobacco in different periods of growth, and the prevention and control effects on bacterial wilt were investigated by pot experiment and unit plot experiment in Qianjiang District, with Genjingkang microbial agent as positive control. The results showed that there was no significant difference in performance of agronomic traits between different treatments in the lumps and flourishing stages, indicating that nest application of microbial fertilizer had no significant effect on the growth and development of tobacco plants. In terms of effectof disease control, microbial fertilizer had certain effect ondisease control of tobacco bacterial wilt, andthe relative control efficiency of 107 cfu/g microbial fertilizer against tobacco bacterial wilt was 58.56% and 55.21% in greenhouse and field experiment, respectively. The results of indoor pot experiment and field experiment were similar. The results provided reference for biological control of soil-borne tobacco diseases.
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Effect of Pseudomonas fluorescens Combined with Organic Fertilizer on Tobacco Bacterial Wilt in Qianjiang

  • Received Date: 19/11/2021

Abstract: In order to explore the effects of different concentrations of Pseudomonas fluorescens combined with organic fertilizer on tobacco bacterial wilt, determine the optimal concentration to guarantee the microbial control effect on tobacco bacterial wilt, and improve the control efficiency, in this study, the effects of different concentrations of Pseudomonas fluorescens and animal manure on agronomic traits of tobacco in different periods of growth, and the prevention and control effects on bacterial wilt were investigated by pot experiment and unit plot experiment in Qianjiang District, with Genjingkang microbial agent as positive control. The results showed that there was no significant difference in performance of agronomic traits between different treatments in the lumps and flourishing stages, indicating that nest application of microbial fertilizer had no significant effect on the growth and development of tobacco plants. In terms of effectof disease control, microbial fertilizer had certain effect ondisease control of tobacco bacterial wilt, andthe relative control efficiency of 107 cfu/g microbial fertilizer against tobacco bacterial wilt was 58.56% and 55.21% in greenhouse and field experiment, respectively. The results of indoor pot experiment and field experiment were similar. The results provided reference for biological control of soil-borne tobacco diseases.

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