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Prof. Fares Amin Mohamed Ellaqwa :: Publications:

Title:
EFFICIENCY OF LUPINE SEED EXTRACTS WITH AND WITHOUT CONTROLLED ATMOSPHERES AGAINST SOME STORED PRODUCT INSECTS
Authors: EI-Lakwah, F.A. ‘, Azab, M.M. * and Abdel-Latif, A. M,
Year: 2001
Keywords: Not Available
Journal: Not Available
Volume: Not Available
Issue: Not Available
Pages: Not Available
Publisher: Not Available
Local/International: Local
Paper Link: Not Available
Full paper Fares Amin Mohamed Ellaqwa_002.jpg
Supplementary materials Not Available
Abstract:

The efficiency of petroleum ether and acetone extracts of lupine seeds (Lupinus termis) alone and under controlled atmospheres (CA) of 25%, 50% CO2 and 99.8% N2 was evaluated against some stored product insects namely; the rice weevil — Sitophilus oryzae (L). lesser grain borer — Rhizopertha dominica (F.) and the red flour beetle Tri boleuni castaneum (Herbst.). in the laboratory at 26±1°C and 60 ±5%R.H The results showed that Lupine seed extracts were more effective against the adults of the first two insect species than T Castaneum. Meanwhile, the effectiveness of the acetone extract was slightly higher than petroleum ether extract Adult mortalit was dependent on an extract concentration and exposure period After two weeks post-treatment. complete mortality of adults was achieved for S oryzea and R dominica at the highest used concentration (1%wlw). On the other hand the highest used concentration showed very low mortality values with T castaneum even after two weeks from the initial treatment. Using lupine seed extracts under various controlled atmospheres of CO2 and high nitrogen content resulted in higher mortمlity values than each component alone

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