Study on the Technical of Cutting Propagation of Tender Branch for Broad-leaf Tree Species Study on Cutting Propagation of Thuja sutchuenensis, An Endangered Species Endemic to China Study on Rooting Capability of Twigs of Taxus mairei Rooting Response of Catalpa bungei Softwood Cutting to Different Hormone Treatments and Medium Mixture Study on Young Branch Propagation of Casuarina Preliminary Study on Hybrid Tulip Tree Cutting Rooting Rates Research on Outer Bottle Rooting Technique of Fruit Seedling in Vitro with Filter-paper Bridge Rooting Ability and Properties of Different Varieties of Picea pungens Cutting Propagation Studies of Self-rooted Dwarf Grafted Apple Trees Research on media selection and cutting effects in the cuttage of Picea abies Research on Outer Bottle Rooting Technique of Fruit Seedling in Vitro with Filter-paper Bridge The Effect of Age and Basal-cut Shapes of Cutting on Rooting of Larix leptolepis Effect of Cuttings with Different Lignin Contents on Cutting Rooting of Tetraploid Robinia pseudoacacia Function Analysis of miR396 in Somatic Embryos of Larix leptolepis Changes of Endogenous Hormones and Anatomical Structure of Rhododendron stamineum During Cutting Propagation