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Více informací o knize QTL Mapping using Intervarietal Substitution Lines in Rapeseed (Brassica napus L.)

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Anotace knihy

Intervarietal substitution lines (ISLs) having one or a few defined segments of a donor genome in the common genetic background of a recurrent parent can be used to search the genome for donor alleles affecting traits. A complementary set of substitution lines represents ideally the whole donor genome divided into a limited number of distinct segments, each carried by a different line. ISLs were suggested as an alternative to a segregating population for QTL mapping. An ISL population can be used to overcome the limitations of a segregating population in the accuracy of QTL localization. With overlapping donor segments in different substitution lines and their respective phenotypic values, QTL positions can be narrowed down to a few centimorgan (cM), allowing a high precision of QTL localization.The main objectives of this study were:- To develop set of intervarietal substitution lines (ISL) from the cross of żExpress' x resynthesized line żRS239';- To map QTL for some agronomically important traits in two sets of ISL populations developed from the crosses of żMansholt' x żSamourai' and żExpress' x resynthesized line żRS239';- To compare QTL results mapped in the ISL population with QTL mapped in an earlier generation (F1DH population) developed from the cross żMansholt' x żSamourai'; For this, a set of ISLs was developed from a cross between the spring type resynthesized rapeseed line żRS239' and the winter rapeseed variety żExpress' (żExRS239'). A second set, developed from a cross between doubled haploid lines of the two winter rapeseed varieties żMansholt' and żSamourai (żMxS'), was available from earlier work. The ISLs were developed through five backcross generations. Using marker assisted selection with AFLP markers, lines carrying a complementary set of donor segments were selected.

Parametry knihy

• Plný název: QTL Mapping using Intervarietal Substitution Lines in Rapeseed (Brassica napus L.)
• Autor: Nurhanasah
• Jazyk: Angličtina
• Vazba: Brožovaná
• Počet stran: 122
• EAN: 9783869555416
• ISBN: 3869555416
• ID: 12738589
• Nakladatelství: Cuvillier Verlag
• Hmotnost: 169 g
• Rozměry: 210 × 148 × 6 mm
• Datum vydání: 02. November 2010

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