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Effect Of Plant Extracts On The Control Of Some Important Agricultural Pests
Abdul Sattar Al-Khafaji,
Omar Al-Duri
and Tadhamun Eskander
Ministry of Agriculture State-Board of Agricultural Researches Baghdad, Iraq
Abstract
A study was conducted during 1998, 1999, 2000 to evaluate the effectiveness of alcohol and water extracts of several wild and cultivated plants, such as Zea mays (male flowers), Melia azedarch (leaves), Lycopersicum esculentum (leaves), Phragmites australis (flower), Ficus sp. (leaves), Diplotoxis harra (leaves), Artemisia campestris (all plant), Schanginia aegyptiaca (leaves and flowers), Euphorbia tinctoria (leaves) to control some agricultural pests. Results showed that alchohol and water extracts of Zea mays male flowers and leaves of Melia azedarch were effective aginst Tetranychus turkestani, Aphis fabae, Ahpis gossypii. Alcohol extracts of Arteimisia campestris (conc. 125 ppm) gave good results (efficacy 100%) as compared with water extracts and hexane extracts that were not effective (0.0%). The water extracts of several plants (at concentration of 300 and 500PPm) showed low activity against adults of Tribolium castaneum.
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