Expression Analysis of 12 miRNA Families Specific to Conifers during Somatic Embryogenesis of Larch Expression Analysis of Five MiRNAs and Their Precursors During Somatic Embryogenesis in Larch Techniques for Vegetative Propagation of Japanese Larch by Hardwood Cuttings EFFICIENCY IN THE FORMATION OF STABLE EMBRYOGENIC LINES AND SOMATIC EMBRYO REGENERATION IN NORWAY SPRUCE AND HYBRID LARCH VARIATION IN ROOTING ABILITY OF CUTTINGS AND SELECTION EFFECTS OF LARIX LEPTOLEPIS SIEB.ET ZUCC.) GORD Study on the Growth of Old Larix leptolepis Stands in Mountainous Regions of Eastern Liaoning Province Function Analysis of miR396 in Somatic Embryos of Larix leptolepis The Effect of Age and Basal-cut Shapes of Cutting on Rooting of Larix leptolepis Effects of Competition on Growth Rate and Probability of Death of Plant Individuals: a Study Based on Nursery Experiments of Larix leptolepis Populations Effects of Age, Type of Auxin and Treatment Concentration on Rooting Ability of Larix leptolepis Relationships Between Population Growth and Population Density in Monocultures of Larix leptolepis