A. Gulati et al., GENOTOXICITY TESTING FOR RELATIVE EFFICACY OF SELECTED PESTICIDES ON ALLIUM-CEPA, Journal of environmental biology, 15(2), 1994, pp. 89-95
The genotoxic effects of the pesticides, monocrotophos and endosulphan
, have been studied using root meristems of Allium cepa after 24 and 4
8h exposure to the test chemical. Monocrotophos treatment results in g
reater chromosomal break than endosulphan, with a reduction in mitotic
index. Both chromosomal and mitotic abnormalities were encountered at
all concentrations ranging from 0.2 to 5.0 ppm. Reduction in staining
and chromatid breaks with higher concentration suggested clastogenic
action of these compounds.