Abstract:Picea koraiensis is one of main planting-tree species.In north easten China. Picea koraiensis forests are often mixed with such tree species as Tilia and Fraxinus.Hence study on the influence of main associated tree species on growth of Picea koraiensis is important not only for the tree allelopathy, but also for selection of properly associated tree in building mixed forest of Picea koraiensis. This paper deals with results obtained from a lot of experiments on culture of Picea koraiensis in flower pot usi...