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- W397485110 abstract "Recently the emergence of many of the health and environmental problems resulting from the use of chemical pesticides used to combat pests of stored grain and materials, which drew the attention of many researchers in this area to find safe alternatives to human health and the environment .………………………. From this perspective was the idea of this research, to create a secure alternative to human health and the environment from Saudi Arabia, to combat two of the most common insects local and global, which cause considerable damage to stored grain and other materials such as dried fruits and dates. The study was conducted in the laboratory of Plant Protection of the Faculty of Meteorology& Environment and Arid Land Agriculture and the natural products laboratory of the Faculty of Pharmacy, King Abdul Aziz University for two years 2008-2007 to study the impact of five botanical extracts derived from plants (Harmal, Rhazya stricta, Alkanditha, Caralluma tuberculata, Shafallah Capparis spinosa , Zaqqum, Marrubium vulgare and Alchmizj Argemone ochroleuca)on two of the most important insects that affect the stord grain basically and cause significant damage to stored materials , the red flour beetle, Tribolium castaneum and the saw-toothed grain beetle, Oryzaephilus surinamensis during two stages of their life cycle (larva and adult) by using four different concentrations of each extract (200-400-600-800 ppm) of the above mentioned products in addition to control (0 ppm). Malathion was used as a positive control for adult stage since its currently used to combat these pests. Results in general showed that plant extracts, Caralluma tuberculata and Rhazya stricta were most effective on the study insects. These extracts were more efficient than the positive control ( Malathion) on the adult stage of both insects.……………………………… The percentage mortality of larvae and adult treated by extract of Caralluma after 6 days at the concentration of 800ppm (% 100) for each of the confused flour beetle and saw-toothed grain beetle. As for larvae which treated with Rhazya extract at the same concentration was (93.3% - 100%) while the mortality of the adult insects was (100%) for the two insects respectively. However Malathion give (95.5% - 97.7%) for both adult insects respectively. The value of LC 50 of larvae 6 days post treatment with Caralluma extract was (114.615ppm-112.411ppm) and those treated with Rhazya extract was (117.775 ppm - 129.091ppm) of the flour beetle larvae confused flour beetle and saw-toothed grain beetle where as the value of LC 50 of the insects 6 days post treatment with Caralluma extract was (123.295 ppm - 126.730 ppm) and treatment to Rhazya extract was (127.182 ppm - 137.146 ppm) for each of the previous two adult insects, respectively." @default.
- W397485110 created "2016-06-24" @default.
- W397485110 creator A5043786789 @default.
- W397485110 date "2009-01-01" @default.
- W397485110 modified "2023-09-27" @default.
- W397485110 title "Effect of Some Plant Extracts on Stored Product Pests" @default.
- W397485110 hasPublicationYear "2009" @default.
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