Distribution of nuclei and microfilaments during pollen germination in Populus tomentosa Carr.
Yuan Cao, Rui-Zhi Hao, Mei-Qin Liu, Xin-Min An and Yan-Ping Jing*
National Engineering Laboratory for Tree Breeding, NDRC, College of Biological Science and Biotechnology, Beijing Forestry University, Tsinghua East Road No. 35, Beijing, 100083, P.R. China.
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