Liu, Hongchang
Wu, Wei
Hou, Kai
Chen, Junwen
Zhao, Zhi
Funding for this research was provided by:
Sichuan Agricultural University (Grant No.03570313)
Article History
Received: 30 December 2014
Accepted: 27 August 2015
First Online: 5 September 2015
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.