Datum
2024-10-18Schlagwort
630 Landwirtschaft, Veterinärmedizin BaumwollblattraupeBiologisches PflanzenschutzmittelEntgiftungEnzymHistopathologieRindeMetadata
Zur Langanzeige
Aufsatz
Anti-feedant activity of Pachygone laurifolia (DC.) L.Lian & Wei Wang bark extracts in tobacco cutworm, Spodoptera litura (Lepidoptera: Noctuidae) is mediated through biochemical responses and pathological damage
Zusammenfassung
Spodoptera litura is a severe polyphagous insect pest, causing extensive damage to agricultural crops all over the world. The present study was undertaken to investigate the response of S. litura to polarity gradient fractions of Pachygone laurifolia bark extract. The fraction IV and V of P. laurifolia bark possess a significant anti-feedant activity and growth inhibitory effect on S. litura. The active fractions inhibited carboxylesterase activity, whereas no significant difference in total protein content was observed. Alteration in glutathione S- transferase activity and inhibition of acetylcholinesterase activity were noted on exposure of fraction V. The histopathological studies of the midgut region of the exposed larvae exhibited structural loss, damage in peritrophic membrane and longitudinal muscles, disintegration of goblet cells, oedema and lysis of the epithelial cells compared to control even at minimum concentration of exposure. Gas chromatographic – mass spectrometric analysis was carried out to ascertain the active constituents with the anti-insect properties. Overall, our findings revealed that fractions of P. laurifolia has significant anti-feedant activity mediated through biochemical mechanisms involving detoxification, oxidative stress and pathological damage. This plant extract has the potential to be developed as biopesticide formulation.
Zitierform
In: Journal of Agriculture and Rural Development in the Tropics and Subtropics (JARTS) Vol. 125 / No. 2 (2024-10-18) , S. 197-208 ; eissn:2363-6033Sammlung(en)
Vol 125, No 2 (2024) (Journal of Agriculture and Rural Development in the Tropics and Subtropics (JARTS))Zitieren
@article{doi:10.17170/kobra-2024093010895,
author={Paul, Alina and MS, Suprima and Ravindran, Jayaraj},
title={Anti-feedant activity of Pachygone laurifolia (DC.) L.Lian & Wei Wang bark extracts in tobacco cutworm, Spodoptera litura (Lepidoptera: Noctuidae) is mediated through biochemical responses and pathological damage},
journal={Journal of Agriculture and Rural Development in the Tropics and Subtropics (JARTS)},
year={2024}
}
0500 Oax 0501 Text $btxt$2rdacontent 0502 Computermedien $bc$2rdacarrier 1100 2024$n2024 1500 1/eng 2050 ##0##http://hdl.handle.net/123456789/16099 3000 Paul, Alina 3010 MS, Suprima 3010 Ravindran, Jayaraj 4000 Anti-feedant activity of Pachygone laurifolia (DC.) L.Lian & Wei Wang bark extracts in tobacco cutworm, Spodoptera litura (Lepidoptera: Noctuidae) is mediated through biochemical responses and pathological damage / Paul, Alina 4030 4060 Online-Ressource 4085 ##0##=u http://nbn-resolving.de/http://hdl.handle.net/123456789/16099=x R 4204 \$dAufsatz 4170 5550 {{Baumwollblattraupe}} 5550 {{Biologisches Pflanzenschutzmittel}} 5550 {{Entgiftung}} 5550 {{Enzym}} 5550 {{Histopathologie}} 5550 {{Rinde}} 7136 ##0##http://hdl.handle.net/123456789/16099
2024-10-21T10:37:45Z 2024-10-21T10:37:45Z 2024-10-18 doi:10.17170/kobra-2024093010895 http://hdl.handle.net/123456789/16099 eng Namensnennung 4.0 International http://creativecommons.org/licenses/by/4.0/ insecticidal activity biopesticides detoxification enzymes histopathology Cocculus laurifolius 630 Anti-feedant activity of Pachygone laurifolia (DC.) L.Lian & Wei Wang bark extracts in tobacco cutworm, Spodoptera litura (Lepidoptera: Noctuidae) is mediated through biochemical responses and pathological damage Aufsatz Spodoptera litura is a severe polyphagous insect pest, causing extensive damage to agricultural crops all over the world. The present study was undertaken to investigate the response of S. litura to polarity gradient fractions of Pachygone laurifolia bark extract. The fraction IV and V of P. laurifolia bark possess a significant anti-feedant activity and growth inhibitory effect on S. litura. The active fractions inhibited carboxylesterase activity, whereas no significant difference in total protein content was observed. Alteration in glutathione S- transferase activity and inhibition of acetylcholinesterase activity were noted on exposure of fraction V. The histopathological studies of the midgut region of the exposed larvae exhibited structural loss, damage in peritrophic membrane and longitudinal muscles, disintegration of goblet cells, oedema and lysis of the epithelial cells compared to control even at minimum concentration of exposure. Gas chromatographic – mass spectrometric analysis was carried out to ascertain the active constituents with the anti-insect properties. Overall, our findings revealed that fractions of P. laurifolia has significant anti-feedant activity mediated through biochemical mechanisms involving detoxification, oxidative stress and pathological damage. This plant extract has the potential to be developed as biopesticide formulation. open access Paul, Alina MS, Suprima Ravindran, Jayaraj Baumwollblattraupe Biologisches Pflanzenschutzmittel Entgiftung Enzym Histopathologie Rinde publishedVersion eissn:2363-6033 No. 2 Journal of Agriculture and Rural Development in the Tropics and Subtropics (JARTS) 197-208 Vol. 125 false
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