A biomarker assessment of pesticide toxicity in endemic, native peregrine, and invasive earthworm species from the Muthalamada mango plantations, Kerala, India
Chandini Palakkunnel Kuttappan; Sasankan Prasanth Narayanan; Syamkumar Reghu Nandanan Pillai; Rajathy Sivalingam; Naveena Kannegowda; Jayasooryan Kazhuthoottil Kochu; Gayathry Olodathil Sadanandan; Maneesh Kumar Shappumkunnath · 2025 · Natural Built Social Environment Health
WASTE classifies this as Negative / Null Result Report · AI classification, approximate
The study found no significant effect — useful as a negative control or null benchmark for your own design.
The finding, in one line
“In biomass tests, chlorpyrifos showed no significant effect on final body mass (p > 0.”
Abstract
This study assessed the toxic effects of pesticide exposure on four earthworm species: Perionyx excavatus Perrier, 1872; Megascolex konkanensis Fedarb, 1898; Dichogaster affinis (Michaelsen, 1890); and Metaphire houlleti (Perrier, 1872). The organisms were exposed to pesticide-treated soil. Biomass reduction, immunotoxicity, and enzyme biomarkers were used as endpoints. Among the tested species, M. konkanensis, a native species, appeared more sensitive than the others. In biomass tests, chlorpyrifos showed no significant effect on final body mass (p > 0.05). P. excavatus showed a significant r
Abstract by Chandini Palakkunnel Kuttappan; Sasankan Prasanth Narayanan; Syamkumar Reghu Nandanan Pillai; Rajathy Sivalingam; Naveena Kannegowda; Jayasooryan Kazhuthoottil Kochu; Gayathry Olodathil Sadanandan; Maneesh Kumar Shappumkunnath, Natural Built Social Environment Health (2025) — licensed CC BY 4.0.
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Metadata source: DOAJ · DOI 10.63095/nbseh.25.850535