Franklin H. Arthur, arthur@gmprc.ksu.edu1, Maria Otilia Carvalho, motiliac@netcabo.pt2, and James Campbell, cambell@usgmrl.ksu.edu1. (1) Grain Marketing & Production Research Center, Biological Research Unit, 1515 College Av, Manhattan, KS, (2) Sciences Research Institute, Lisbon, Portugal, Lisbon, Portugal