Vol. 6, Issue 2 (2018)
Identification of suitable crop beneficial bio-agents for rapid degradation of applied insecticide
Author(s): Uma, Tapas Chowdhury, SB Gupta, Dhanni Devi and Ashok Kumar Koshariya
Abstract: The investigation was carried out to evaluate the identification of suitable crop beneficial bio-agents for rapid degradation of insecticide. Three soil samples were collected from the vegetable growing farms where different insecticides were over years for controlling of insects to reduce the losses due to insect infestation. From these soil samples 10 crop beneficial insecticide tolerant microbial isolates were collected. These isolates were further characterized with respect to their cultural characteristics and tested for their potentiality of Deltamethrin + Triazophos degradation. Three rhizobial two phosphobacterial, three Azotobactor and two Azospirillum isolates were collected. Isolates were taken in a study for their insecticide degradation potential under in-vitro conditions. All isolates had shown good growth in their respective culture media containing different concentration of Deltamethrin + Triazophos. Ten treatments were taken under this study. At 4000 ppm deltamethrine+trizophos concentration five isolates had shown poor growth while four did not show any growth. At 4000 and 5000 ppm concentrations all of the isolates had shown growth but at varying level. Rhizobium-1,2,3 Azatobactar-1,2 Azospirillum-1,2 PSB-1,2 had shown highest population followed by PSB-2 Rhizobium-1,2, Azatobactar-1,2 Azospirillum-1 in 3000 ppm concentration and PSB-2 Rhizobium-2 Azatobactar-2 in 4000 ppm concentration.
Pages: 1966-1969 | 468 Views 42 Downloads
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How to cite this article:
Uma, Tapas Chowdhury, SB Gupta, Dhanni Devi, Ashok Kumar Koshariya. Identification of suitable crop beneficial bio-agents for rapid degradation of applied insecticide. Int J Chem Stud 2018;6(2):1966-1969.
