Sorghum [Sorghum bicolor (L.) Moench] is one of the most valuable cereal staple crops in the sub-tropical and semi-arid regions of Africa and Asia (Kresovich et al., 2005).It is a basic food crop for millions of people especially in developing countries. The goal of heterosis breeding in sorghum entails: improved yield, higher quality, pest resistance, disease resistance, early maturity, herbicide tolerance, improved nutritional quality, environmental stress tolerance, drought tolerance, and biomass generation e.t.c.