Studies on pollen germination and cryopreservation method in different species of Catalpa
WANG Gai-ping, PENG Fang-ren*, XU Tao, SHANG Yang-juan, ZHANG Chun-xia
JOURNAL OF NANJING FORESTRY UNIVERSITY . 2008, (05): 123 -126 .  DOI: 10.3969/j.jssn.1000-2006.2008.05.025