Sorghum crop provides the bulk of the animal feed in Sudan where the second largest animal wealth in Africa exists; yet attempts to develop improved types of forage sorghum were lacking or very few. This book presents the first endeavor in the Sudan to explore the potential of locally developed forage sorghum hybrids. Most of our present knowledge about combining ability in sorghum was based on studies carried in temperate environments with materials limited to photoperiod conversion program. In this work, local genetic stocks beside exotic ones were used under tropical conditions . ...