Institution: | (1) Department of Agronomy, University of Illinois, 61801 Urbana, IL, USA;(2) Present address: Departmento de Biologia, Escola Superior de Agricultura de Lavras — ESAL, 37200000 Lavras, MG, Brazil;(3) Present address: DEKALB Plant Genetics, Discovery Research, 62 Maritime Drive, 06355 Mystic, CT, USA |