1Dynamics of Niche of Dominant Species in Fokienia hodginsii Community in Qiyushan Nature Reserve of Jiangxi ProvinceYANG Qing-pei, JI Chun-feng, YANG Guang-yao, LIU Jun, HUANG Sheng-liang241-2462Study on the Vine of Calcific Mountainous Region in the South of Hunan ProvinceYAN Li-hong, PENG Chun-liang, XIANG Guang-feng, LIU Yan, JIANG Li-yuan247-250,2763Preliminary Study on Sterile Explants of Cerasus DiscoideaNAN Cheng-hui, WANG Xian-rong, TANG Geng-guo, GU Yu251-2554Tourism Effect on Woody Plants Species Composition and Woody Plant Flora in Suobuya Stone ForestYI Yong-mei, AI Xun-ru, YAO Lan, PENG Cheng, WANG Bo-quan, XIONG Biao256-2605Niche Breadths and Overlaps of Dominant Arbor Populations in Davidia involucrata var. vilmoriniana Community in Changyang County of Hubei ProvinceWANG Yu-bing, HUANG Guang-qiang, TANG Geng-guo, LIANG Hong-wei, CHEN Fa-ju261-2656Study on the Light Energy Utilization of Sarcandra Glabra LeavesLIU Zhi-gao, SHAO Wei-li, ZHOU Li-qing, SI Jin-ping, LIN Xia-zhen266-2687Analysis on Plant Community Characteristics and Diversity in Parks of Shanghai Center CitySHI Hai-yan, WANG Xian-rong, YANG Xue-jun, CHEN Zhi-wei, DUAN Yi-fan269-2728Effect of Hydrogel on the Protective Enzyme System of Davidia Involucrata Baill Under Different StressZHOU Da-zhai, XIAO Qiang, XIAO Hao, ZHENG Xiao-jiang273-2769A Research on Rare Plants of Jiangxi Ganjianyuan Nature ReserveQIAN Ping, YANG Qing-pei, QIU Li-hong, LIU Ren-lin, JIE Zheng-ping, JI Chun-feng277-28110Study on the Population of the Primary Metasequoia glyptostroboides Mother TreesXIONG Biao, AI Xun-ru, WANG Bo-quan, YI Yong-mei, YAO Lan, FAN SHEN-hou282-28511Pollen Morphology of Osmanthus decorus and O.× burkwoodiiYANG Qing-hua286-28812A Numerical Classification of the Sweet Osmanthus Cultivars in Xianning of Hubei ProvinceDUAN Yi-fan, WANG Xian-rong, LIANG Li-li, XIANG Qi-bai, YI Xian-gui289-293,30113Study on the Biological Character of Asterococcus Muratae Kuwana in Magnolia officinalis Rehd.et WilsWANG Bo-quan, AI Xun-ru, LU Zong-rong, YI Yong-mei, HUANG Qiong294-29714Studies on the Seedling Photosynthetic Characteristics of Machilus ThunbergiiWANG Fu-xian, HU Ming-ming, ZHANG Xiao-lin, ZANG De-kui298-30115A Test of Seed Germination Characteristics of Purpleflower ElsholtizaLIU Yue, HE Yun-he302-304,30716Primary Study on Cutting Propagation and Potting Test of Dichroa FebrifugaXIANG Guang-feng, YAN Li-hong, JIANG Li-yuan305-30717Research of Observation and Occurrence of Tobacco Brown Spot in Tobacco-Growing Areas around Qingjing River and ShennongjiaLI Xi-hong, BI Qing-wen, LI Yan-yan, XU Ru-bing, WANG Hai-ming, LI Gen, FAN Jing-xiu, HE Chen-gen308-309,31318Rare and Endangered Plants and Their Protection in East ChinaMA Qi-xia, TIAN Qi, HU Yong-hong310-31319Ornamental Shrub Resources in Hunshandake Sandy LanaLIU Bo, LIU Guo-hou314-319,32420A Systematic Review on the Research Development of Dipsacus asperoidesDING Li, LI Hui, WU Yun, SUN Peng320-324 