Wang, N. N.
Yan, X.
Gao, X. N.
Niu, H. J.
Kang, Z. S.
Huang, L. L.
Funding for this research was provided by:
Agro-Scientific Research in the Public Interest (No.201203034)
Science and Technology Innovation Research of Shaanxi (No.2011KTZB02-02-02)
National Natural Science Foundation of China (31101476)