1 Alliance of Bioversity International and CIAT, Km 17 Recta Cali-Palmira, Aprtado Aereo 6713, Cali 763537, Colombia. Electronic address: a.fernando@cgiar.org.
2 Alliance of Bioversity International and CIAT, Km 17 Recta Cali-Palmira, Aprtado Aereo 6713, Cali 763537, Colombia.
3 National Institute of Agrobiological Sciences (NIAS), Tsukuba, Ibaraki 305-0856, Japan.
4 Wolfgang Busch, Salk Institute for Biological Studies, 10010 N Torrey Pines Road, La Jolla, CA 92037, USA.
5 Earth Optics, Suite 840, Arlington, VA 22202, USA.