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Please use this identifier to cite or link to this item: http://hdl.handle.net/123456789/9397

Title: Field Evaluation of the Toxicity of the Biopesticide Spinosad Against Spodoptera litoralis ( Boisd. ) Larvae on Alfalfa ( Medicago sativa L. ), in Riyadh, Saudi Arabia
Authors: Tag-El-Din
A. Al-Suhaibani
A. Gaber ; F. El-Shahawi
S. Hashem
Issue Date: 1999
Publisher: Biological Sciences Through Course of Foundation and Development of the Kingdom of Saudi Arabia
Abstract: Field experiments were conducted in the ARES ; Dierab Farm, to evaluate the insecticideal activity of Spinosad on alfalfa. Larvae ( 3th instar ) of a susceptible strain of Spodoptera litoralis ( Boisd. ), were used. Three rates of Spinosad were applied, in addition to the recommended rates of each of Bacillus thurengiensis ( Deflin WG ) and the pyrethroid Lambda-Cyhalothrin ( Karate ). Samples of the alfalfa were taken after several periods of times, and kept with larvae for one, two and three days respectively. Spinosad showed the heighest insecticidal activity, three days after its application, and showed toxic symptoms on the larvae, completely different to those of the tested insecticides.
URI: http://hdl.handle.net/123456789/9397
Appears in Collections:College of Foods And Agricultural Science

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