attention recently over the world as alternative tools against chemical herbicides for weed
control due to many unique properties. A wide variety of compounds shows the broadest
spectrum of herbicidal activity were found in Egyptian plant resources including;[6, 3′-
dihydroxy-3, 5, 7, 4′-tetra methoxy flavone, dihydro-quercetin, 3, 6, 7, 3, 4-
pentamethoxyflavone, quercetagetin 3, 5, 6, 7, 3′, 4′-hexamethyl ether, 6,-4′-dihydroxy …