1Department of Agronomy, Purdue University, 915 W. State St., Lilly Hall, West Lafayette, IN 47907 USA
2Department of Plant Science, University of California, 3134 Batchelor Hall, Riverside, CA 92521 USA
3Department of Animal Science, Purdue University, 915W. State St., Lilly Hall, West Lafayette, IN 47907 USA
© The Author(s). 2017
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