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Expansion of genetic diversity is prerequisite to address the constant challenges of quantitative trait analysis in crop plants. Bi-parental mapping populations are simple to develop and possess high power for QTL detection, which combine the genomes of only two parents results in a relatively narrow genetic base and inadequately represents wider allelic diversity. Multi-parent Advanced Generation Inter-Cross (MAGIC) is a breeding method to generate highly recombined population in which multiple founder lines are inter-crossed several times in a well-defined order to combine the genetic material of all the founders in a single line. This leads to highly diverse genotypes each with a unique accumulation of founder alleles.

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MAGIC Populations usefulness to define genetic basis of complex crop traits.pdf