Dynamic change of carbohydrate content in buds and leaves of chrysanthemum during floral differentiation was studied with two cut flower chrysanthemum cultivars Shenma [Dendranthema grandflora(Ramat.) Kitam.] and Wansheng[Dendranthema grandflora(Ramat.) Kitam.].The results showed that at non-differentiated stage,contents of total soluble sugar,sucrose and starch in leaves were not significanty different from those in buds not only in early flower cultivar Shenma but also in later flower cultivar Wansheng.At...