A study was conducted to determine the contents of total sugar,total nitrogen,soluble protein,and phosphorus of the leaves under flower buds and leaf buds at different stages of flower bud differentiation based on the observation of differentiation process of flower buds and leaf buds of Rhododendron moulmainense Hook.f.The relationships between the nutrients(C,N,P)and flower bud differentiation were discussed.Results indicated that,during the process of flower bud differentiation,the contents of total suga...