This manual is based on the work undertaken through the “Developing Maize Resistant to Stem Borer and Storage Insect Pests for Eastern and Southern Africa – IRMA III Conventional Project (2009−2013)”, funded by the Syngenta Foundation for Sustainable Agriculture. We would like to acknowledge Dr B.M. Prasanna (Director, Global Maize Program, CIMMYT), for his inputs and guidance during preparation of this manual.vii, 30 pages