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Uncontrolled and extensive utilization of chemical pesticide pose various negative impacts on agroecosystem. A novel approach is to utilize rhizospheric microbiota which has a potential to act as plant pro-biotic and mobilization of phytofertilizer to enrich soil fertility. To keep this, in field plots the current study was carried out which was (RCBD) randomized complete block design to check the bioefficacy of Pseudomonas aeruginosa strains (PGPR-1) alone or with neem cake and chemical fertilizers (Urea & NPK) on growth, quality and induction of resistance against root rot fungal infections of okra. Results showed that combination of PGPR-1 and neem cake + NPK significantly enhanced height of plant as compared the control after 45 days. Similarly, after 45 days the treatment of neem cake in combination with NPK significantly reduced F. solani infection as in line with the negative group of control. After growth of 90 days, combination of PGPR-1 with NPK and neem cake with urea was found to suppress it to a greater extent, followed by the mixed utilization of PGPR-1 with neem cake and urea or PGPR-1 with nitrogen phosphorous potassium (NPK). These application also induced systemic resistance in host plant by secreting secondary metabolites i.e. a potential (P < 0.05) increase in content of polyphenol was noticed in maximum treatments relative to the negative control. Fruit quality of treated plants in terms of biochemical parameters also showed significant outcomes as compared to control plan.

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Assessment of Synergistic Potency of Pseudomonas aeruginosa with Fertilizers on Quality, Physiochemical Growth and Diseases Resistance of Okra (Abelmoschus esculentus)

  • 会议论文

  • 发表日期：

    2026年

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  • H. A. Shafique,
  • T. R. Fraz,
  • F. Aziz,
  • N. Rehan

摘要

Uncontrolled and extensive utilization of chemical pesticide pose various negative impacts on agroecosystem. A novel approach is to utilize rhizospheric microbiota which has a potential to act as plant pro-biotic and mobilization of phytofertilizer to enrich soil fertility. To keep this, in field plots the current study was carried out which was (RCBD) randomized complete block design to check the bioefficacy of Pseudomonas aeruginosa strains (PGPR-1) alone or with neem cake and chemical fertilizers (Urea & NPK) on growth, quality and induction of resistance against root rot fungal infections of okra. Results showed that combination of PGPR-1 and neem cake + NPK significantly enhanced height of plant as compared the control after 45 days. Similarly, after 45 days the treatment of neem cake in combination with NPK significantly reduced F. solani infection as in line with the negative group of control. After growth of 90 days, combination of PGPR-1 with NPK and neem cake with urea was found to suppress it to a greater extent, followed by the mixed utilization of PGPR-1 with neem cake and urea or PGPR-1 with nitrogen phosphorous potassium (NPK). These application also induced systemic resistance in host plant by secreting secondary metabolites i.e. a potential (P < 0.05) increase in content of polyphenol was noticed in maximum treatments relative to the negative control. Fruit quality of treated plants in terms of biochemical parameters also showed significant outcomes as compared to control plan.