Abstract
The inbred-hybrid concept, on which commercial maize breeding is based, requires the ongoing production of true-breeding or homozygous lines to evaluate as potential parents of new, productive hybrids. Typically, the production of such lines requires 5–7 generations of inbreeding to achieve the desired level of homozygosity. The main advantage of haploids is that they can be used to rapidly produce true-breeding lines. Since haploids, by definition, have only a single set of chromosomes, the doubling of the chromosome compliment of these individuals results in instantaneous line fixation. This minimizes the time associated with inbreeding while, at the same time, avoiding the sampling problems encountered if early generation testing is used.
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© 1992 Springer-Verlag Berlin Heidelberg
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Petolino, J.F. (1992). The Use of Androgenesis in Maize Breeding. In: Dattée, Y., Dumas, C., Gallais, A. (eds) Reproductive Biology and Plant Breeding. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-76998-6_13
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DOI: https://doi.org/10.1007/978-3-642-76998-6_13
Publisher Name: Springer, Berlin, Heidelberg
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