Effects of drought stress on the fluorescence characteristics of four type of Catalpa spp.
WANG Liang-gui, ZHANG Chun-xia, PENG Fang-ren* , CEN Xian-chao, DU Xu-hua
JOURNAL OF NANJING FORESTRY UNIVERSITY . 2008, (06): 119 -122 .  DOI: 10.3969/j.jssn.1000-2006.2008.06.027