Advanced backcross quantitative trait locus (AB-QTL) analysis
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- Advanced backcross quantitative trait locus (AB-QTL) analysissearch for term
method for simultaneous identification and transfer of favorable QTL alleles from unadapted donor lines (e.g. land races and wild species) to elite lines for variety development. Following this strategy, QTL analysis is delayed until the second or third backcross generation and, during the development of these populations, negative selection is exercised to reduce the frequency of deleterious donor alleles. Near isogenic lines (NILs) for QTL of interest can be derived from advanced backcross populations in one or two additional generations and used to verify QTL activity and can be released as a commercial line. (Varshney 2009)
