Studies on lignans and flavonoid glycosides of Ligustrum sinense CHEMICAL CONSTITUENTS OF ESSENTIAL OIL FROM FLOWERS LIGUSTRUM SINENSE VAR. SINENSE The Comparative Study on the Relationship between the Activity of IAA Oxidase and the Rooting of Cuttings of Eucalyptus and Other Species Biological Characteristics of Blackhead Fire Worm Infesting Ligustrum sinense