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- Title
ANTIOXIDANT, HEMOLYTIC, BIOFILM INHIBITION AND TOXICITY EVALUATION OF SOME SELECTED PLANT ORIGIN PESTICIDES FOR PREDATORY MITE Neoseiulus barkeri (ACARI: PHYTOSEIIDAE).
- Authors
ZAHID, M.; BASHIR, M. H.; SHAHID, M.; KHAN, B. S.
- Abstract
The integrated use of synthetic and plant origin pesticides along with predators has become popular approach in modern agriculture. The present research on commonly occurring plant oils viz., neem (Azadirachta indica) seed, eucalyptus (Eucalyptus spp.), garlic (Allium sativum) bulb, linseed (Glycine max) and cotton (Gossypium hirsutum) seed was designed to find out antioxidant properties, human cytotoxicity, bioactivity against E. coli and Bacillus subtilusand toxicity to predatory mite Neoseiulus barkeri (Acari: Phytoseiidae). The highest antioxidant activity (37.98%), (28.24%) and lowest mortality (17.50%) due to neem and linseed oil at 1.25% concentration confirmed them as the safest plant origin pesticides. Cytotoxicity of all tested oils were found negligible while (0.27%) erythrocytes lysis for eucalyptus oil in contrast to control treatment (99.76%) declared it harmful among others tested. The mortality data revealed highest (55%) mortality due to eucalyptus oil followed by 27.50, 27.50, 25 and 22.50% for garlic, cotton, neem and linseed oils, respectively at 1.25% concentrations till 144 h. Biofilm inhibition of tested oils indicated low value against Gram-negative E.coli and high for Gram-positive Bacillus subtilus bacteria. Results advocate opportunity of declaring compatible plant origin pesticides for Neoseiulus barkeri along with antioxidant properties and safer for humans.
- Subjects
PESTICIDES; PREDATORY mite; BIOFILMS; ANTIOXIDANTS; NEEM
- Publication
Oxidation Communications, 2016, Vol 39, Issue 2, p1346
- ISSN
0209-4541
- Publication type
Article