1. Maize Program International Institute of Tropical Agriculture (IITA) Nigeria
2. c/o L.W. Lambourn (UK) Limited, Carolyn House 26 Dingwall Road Croydon CR9 3EE UK
3. Dep. of Crop Sci. Obafemi Awolowo Univ. Ile‐Ife Osun State Nigeria
4. Dep. of Plant and Animal Sci. Univ. of Buea Buea Cameroon