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VOL. 9, ISSUE 10 (2024)
Secondary metabolite analysis of selected plants and antifeedant activity against tobacco cutworm
Authors
K K Abitkar, S S Khavare, S S Padalkar, P D Shiragave
Abstract
The present study aimed to investigate phytochemical composition and
antifeedant potential of selected plant extracts found in and around Kolhapur
district. Acetone, chloroform, methanol and aqueous extracts of Strobilanthes
callosa Nees, Cascabela thevetia (L.) and Terminalia
paniculata B. Heyne ex Roth were analyzed for total tannin, phenol and
alkaloid content using standard spectrophotometric methods. Antifeedant
activity was evaluated against Spodoptera litura using a no-choice
bioassay method. The results revealed significant variations in phytochemical
composition and content in plant extracts of S. callosa, C. thevetia and T.
paniculata. Highest tannin content was recorded in methanolic extract of T.
paniculata (0.624±0.010 mg TAE/g DW) and phenol in methanolic extract of S.
callosa (0.848±0.013 mg CE/g DW). Alkaloid content was found to be highest
in methanolic extract of C. thevetia (0.690±0.043 mg QE/g DW). The
antifeedant bioassay demonstrated that C. thevetia methanolic extract
showed the strongest antifeedant activity (58.99±0.066%) with a significant
reduction in food consumption.
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Pages:170-174
How to cite this article:
K K Abitkar, S S Khavare, S S Padalkar, P D Shiragave "Secondary metabolite analysis of selected plants and antifeedant activity against tobacco cutworm". International Journal of Entomology Research, Vol 9, Issue 10, 2024, Pages 170-174
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