1. Department of Grain Science and Industry, Kansas State University, 202 BIVAP Building, 1980 Kimball Avenue, Manhattan, KS 66506. This article is assigned contribution no. 11-056-J by the Kansas Agricultural Experiment Station, Manhattan, KS 66506.
2. Corresponding author. Phone: 785-532-5011. Fax: 785-532-7193. E-mail: ananda@ksu.edu