Abstract
Among crops with perfect flowers, maize is unique for hybrid production because of the separation of the staminate and pistillate inflorescences on the same plant, thus making selfing and crossing easier. Although open-pollinated varieties are more popular among farmers in West and Central Africa, there is a growing demand for hybrids to take advantage of heterosis. There are different types of hybrid and different methods for developing inbred lines to produce them. IITA and CIMMYT, in collaboration with national programs and seed companies, work on hybrids adapted to the different agroecologies of SSA. The pedigree method is the most common approach for developing inbred lines in SSA, although backcrossing and elite x elite crosses or recycling of inbred lines have also been extensively utilized in the early and extra-early maize program. The doubled haploid (DH) technology is presently being used in the CIMMYT Maize Program for the development of inbreds at the DH facility established in Kenya with funding from Bill and Melinda Gates Foundation.
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Badu-Apraku, B., Fakorede, M.A.B. (2017). Inbred and Hybrid Maize Development: Experiences in Sub-Saharan Africa. In: Advances in Genetic Enhancement of Early and Extra-Early Maize for Sub-Saharan Africa. Springer, Cham. https://doi.org/10.1007/978-3-319-64852-1_6
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