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Updated: Jun 19, 2026

Study on the Metabolism of Six Systemic Insecticides in a Newly Established Cell Suspension Culture Derived from Tea (Camellia Sinensis L.) Leaves
Published on: June 15, 2019
Biodegradation of propargite by Pseudomonas putida, isolated from tea rhizosphere
Soumik Sarkar1, Subbiah Seenivasan, Robert Premkumar Samuel Asir
1UPASI Tea Research Foundation, Nirar Dam BPO, Valparai 642127, India. soumiksarkarmib@rediffmail.com
Abstract:
Biodegradation of miticide propargite was carried out in vitro by selected Pseudomonas strains isolated from tea rhizosphere. A total number of 13 strains were isolated and further screened based on their tolerance level to different concentrations of propargite. Five best strains were selected and further tested for their nutritional requirements. Among the different carbon sources tested glucose exhibited the highest growth promoting capacity and among nitrogen sources ammonium nitrate supported the growth to the maximum. The five selected Pseudomonas strain exhibited a range of degradation capabilities. Mineral salts medium (MSM) amended with glucose provided better environment for degradation with the highest degradation potential in strain SPR 13 followed by SPR 8 (71.9% and 69.0% respectively).
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