Module structure of Leymus chinensis clones under cultivated condition in Songnen Plains of China Genetic Variation of Srouting Ability on the Trunk Base of Chinese Fir An Analysis of Seasonal Variation of Vegetative Propagation and the Relationships Between Biomass and Population Density of Aneurolepidium chinense in Songnen Plain of China Vegetative propagation characters of clonal populations of Hierochloe glabra in Songnen Plain Quantitative characters of vegetative propagation and sexual reproduction of Puccinelliatenuiflora population on alkalized meadow of Songnen Plain The Structure and Antifungal Functions of Vegetative Propagation Corm of Gastrodia elata Dynamics of Growth and Development of Sprout,Effect of Fertilization and Management on the Vegetative Propagation Nursery for Chinese Fir Quantitative Analysis on Reproduction Characters of Puccinellia Chinampoensis Populatioa in Alkalized Meadow in the Songnen Plain of China Why does Asexual Regeneration of Sabina vulgaris Populations Dominate in Nature? Morphological Observation and Anatomical Study on Bulbil Development of Lilium sulphureum Changes in Leaf Endogenous Hormones of Eucalyptus grandis×E.urophylla in Different Generations of Vegetative Propagations Review On the Rooting Inhibiting Substances in Eucalyptus STUDIES ON A RAPID METHOD FOR VEGETATIVE PROPATION OF Eucommia ulmoides Invasion Characteristics and Invasion Risk Assessment of Mirabilis jalapa Studies on Sexual Reproduction and Vegetative Propagation of Eleutherococcus senticosus (Araliaceae) Reinvasion of exotic plant species Spartina alterniflora in Chongming Dongtan Nature Reserve of Shanghai. COMPARISON OF AGE STRUCTURES OF THE TILLERS IN THE Leymus chinensis POPULATION,A CLONAL GRASS SPECIES UNDER DIFFERENT ECOLOGICAL CONDITIONS CLONAL SELECTION IN COMBINATION WITH TIMBER PRODUCTION OF CHINESE FIR (CUNNINGHAMIA LANCEOLATA) Comparitive Study on Characters of Two Divergence Types of the Clone Population Leymus chinensis in the Songnen Plain of China