Sorghum Genetic Diversity. In Genetics, Genomics and Breeding of Sorghum (Eds: Yi-Hong Wang, Hari D. Upadhyaya, Chittaranjan Kole, CRC Press Taylor and Francis group, London)

Muraya MM (2014) 


Sorghum, Sorghum bicolor (L.) Moench, is a subject of genetics and phonemics research based on its importance as one of the world’s leading cereal crops providing food, feed, fiber, and biofuels across a range of environments and production systems. Sorghum, being a C4 plant with a small genome size compared to that of maize, makes it a good model crop for tropical grasses. Sorghum’s fully sequenced genome provides an important tool towards its functional genomics, which may be used to shed light on sorghum genome evolution. Information on the origin and domestication of sorghum and its diversification into five major cultivated races is limited, partially due to poor knowledge on sorghum genetics. Studies on cultivated sorghum progenitor are scanty, limited and contradictory. Better understanding of sorghum genetics promises to guide efforts to catalog its diversity and to accelerate progress in sorghum breeding programs for sustainable development. This chapter give an overview of sorghum genetic and phenomics diversity, sorghum domestication, evolution and distribution, and tries to expose the current paradox concerning sorghum domestication and evolution. 




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