Q. Khazaal, A., S. Shawkat, M. (2011). EXTRACTION OF PYRETHRINS FROM Chrysanthemum cinerariaefolium PETALS AND STUDY ITS ACTIVITY AGAINST BEETLE FLOUR Tribolium castanum. , 52(4), 456-463.
Ali Q. Khazaal; Muayad S. Shawkat. "EXTRACTION OF PYRETHRINS FROM Chrysanthemum cinerariaefolium PETALS AND STUDY ITS ACTIVITY AGAINST BEETLE FLOUR Tribolium castanum". , 52, 4, 2011, 456-463.
Q. Khazaal, A., S. Shawkat, M. (2011). 'EXTRACTION OF PYRETHRINS FROM Chrysanthemum cinerariaefolium PETALS AND STUDY ITS ACTIVITY AGAINST BEETLE FLOUR Tribolium castanum', , 52(4), pp. 456-463.
Q. Khazaal, A., S. Shawkat, M. EXTRACTION OF PYRETHRINS FROM Chrysanthemum cinerariaefolium PETALS AND STUDY ITS ACTIVITY AGAINST BEETLE FLOUR Tribolium castanum. , 2011; 52(4): 456-463.

EXTRACTION OF PYRETHRINS FROM Chrysanthemum cinerariaefolium PETALS AND STUDY ITS ACTIVITY AGAINST BEETLE FLOUR Tribolium castanum

Iraqi Journal of Science
Article 1, Volume 52, Issue 4, 2011, Pages 456-463
Authors
Ali Q. Khazaal; Muayad S. Shawkat
Abstract
The production of Pyrethrins as an insecticide from Chrysanthemum cinerariaefolium flowers was studied. The crude active compound was extracted using organic solvents. Detection by HPLC proved that the extract contained Pyrethrin I and Pyrethrin II compared to the standard compounds. The flowers extract showed active biological effect against beetle flour Tribolium castanum reached 100% at the concentration 40% while the mortality percent reached 60, 77% when the concentration decreased to 20 or 30% respectively.
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