FUMIGANT AND CONTACT TOXICITY OF GARLIC OIL ON Ca/losobruchus c/Jinensis (L.), CaJJosobruchus macuJatus (F.), Tribolium castaneum (HBST.) AND SitophiJus oryzae (L.)

Document Type : Original Article

Author

Alexandria University, Faculty of Education, Department of Biological and Geological Sciences, EI-Shatby, Alexandria, Egypt.

Abstract

Toxicity of garlic oil was tested against adults of Callosobruchus chinensis
(L.), C. maculatus (F.), Tribolium castaneum(Hbst.) and Sitophilus oryzae(L.) using air
tight jars for the fumigant toxicity and topical application for the contact toxicity. The
study revealed that adults of C. chinensis were more susceptible to the fumigant
toxicity of garlic oil than C. maculatus and T.castaneum, while S. oryzae adults were
the least susceptible one. The LC50 values were 0.081, 0.21, 0.22 and 1.771J / L air for
the above-mentioned insects, respectively. In the contact bioassay, C. chinensis , C.
maculatus and T.castaneum were more susceptible to garlic oil than S oryzae. The
LDse values were 10.3, 10.4 , 11.6 and 50.3 ppm/insect for the four tested adult
insects, respectively

Keywords

Journal of Plant Protection and Pathology
Volume 30, Issue 10
October 2005
Pages 6307-6316

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