Study on Propagation and Cultivation Technique of Dendrobium huoshanense Seedlings Study on a Complete Set of Larch Hybrid Mass Propagation Effects of artificial pollination on fruit development of Pitaya (Hylocereus polyrhizus) Flowering Biology of Lycium barbarum L. NQ-2 Comparative Studies on Floral Dynamics and Breeding System Between Eleutherococcus senticosus and E.sessiliflorus Pollen vigor and development of germplasm of Dendrobium officinale Studies on Seed Development and Embryogenesis in Liriodendron chinense (Hemsl.) Sarg