Funding for this research was provided by:
Agricultural Research Service (2090-22000-018-00D)
Washington Grain Commission (13C-3061-5682)
Washington State University (13C-3061-4232)
Received: 20 September 2018
Accepted: 18 January 2019
First Online: 28 January 2019
Compliance with ethical standards
: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.
: Mention of trade names or commercial products in this publication is solely for the purpose of providing specific information and does not imply recommendation or endorsement by the U. S. Department of Agriculture. USDA is an equal opportunity provider and employer.