RT Journal
T1 TOXICOLOGICAL EVALUATION OF CHLORPYRIFOS AND NEEM EXTRACT (BIOSAL B) AGAINST 3RD INSTARS LARVAE OF DROSOPHILA MELANOGASTER
A1 S. I. Anjum
A1 M. J. Yousf
A1 S. Ayaz
A1 B. S. Siddiqui
JF Journal of Animal and Plant Sciences
JO JAPS
SN 1018-7081
VO 20
IS 1
SP 30
OP 35
YR 2010
FD 2010/02/01
DO DOI NA
AB <p>Third instars larvae of Drosophila melanogaster were assessed for toxicological evaluation of Chlorpyrifos and Neem extract. The larvae were found to be melanized and failed to pupate when both the compounds were applied. Lethal concentration (LC50 ) of chlorpyrifos (40EC) 0.0127% and of neem extract (Biosal B) were found to be 2.4%. LC50, were determined to be higher in Neem extract as compared to chlorpyrifos. Treatment of Drosophila with chlorpyrifos and Neem extract suggested that chlorpyrifos is very effective pesticide than Neem extract. Further, the melanization and antifeedent activity revealed that Neem extract may affect up to hormonal level of insect.Both compounds were found to inhibit the level of cholinesterase in treated insects as compared to control.</p>
K1 Chlorpyrifos, Cholinesterase, Drosophila melanogaster, Neem extract, Toxicity
PB Pakistan Agricultural Scientists Forum
LK https://thejaps.org.pk/AbstractView.aspx?mid=2010-JAPS-102