Evolvement of harvest index and water-use efficiency in diploid, tetraploid and hexaploid wheats during grain-filling stage under different water treatments
ZHAO Zi-Ping, DENG Xi-Ping, WANG Zheng-Hong, LIU Bin-Bin
Chin J Plant Ecol . 2010, (4): 444 -451 .  DOI: 10.3773/j.issn.1005-264x.2010.04.010