[1] Univ Calif Davis, Dept Plant Sci, Davis, CA 95616 USA
[2] Univ Wisconsin, Dept Genet, Madison, WI 53706 USA
[3] Syngenta Seeds, NL-1601 BK Enkhuizen, Netherlands
[4] Cornell Univ, Inst Genom Divers, Ithaca, NY 14853 USA
[5] N Carolina State Univ, Dept Crop Sci, Raleigh, NC 27695 USA
[6] Univ Guadalajara, Ctr Univ Ciencias Biol & Agropecuarias, Zapopan 45110, Jalisco, Mexico