Angeline W. Maina

School of Biological Sciences, University of Nairobi, Nairobi, Kenya

John M. Wagacha

School of Biological Sciences, University of Nairobi, Nairobi, Kenya

F.B. Mwaura

School of Biological Sciences, University of Nairobi, Nairobi, Kenya

James W. Muthomi

Department of Plant Science and Crop Protection, University of Nairobi, Nairobi, Kenya

Charles P. Woloshuk

Department of Botany and Plant Pathology, Purdue University West Lafayette, IN, United States