Chen, Chunxian
Bock, Clive H.
Wood, Bruce W.
Funding for this research was provided by:
Agricultural Research Service (6606-21220-012-002, 6606-21000-004-006)
Article History
Received: 23 February 2017
Accepted: 20 November 2017
First Online: 2 December 2017
Competing interests
: The authors declare that they have no competing interests.
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