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  • Title: [Mapping and analysis QTL controlling some morphological traits in Chinese cabbage (Brassica campestris L. ssp. pekinensis)].
    Author: Yu SC, Wang YJ, Zheng XY.
    Journal: Yi Chuan Xue Bao; 2003 Dec; 30(12):1153-60. PubMed ID: 14986434.
    Abstract:
    An AFLP and RAPD genetic map with 352 markers and a RIL (recombinant inbred lines) population from the cross of two cultivated Chinese cabbage lines were employed in mapping and analysis quantitative trait loci (QTL). The number, location, variation explained and additive effect of QTL underlying nine morphological traits were determined by using composite interval mapping method. Fifty putative QTL, including five for plant growth habit, six for plant height, five for plant diameter, seven for leaf length, four for leaf width, six for leaf length/leaf width ratio, seven for petiole length, four for petiole width and six for bolting character, were mapped on 14 linkage groups. There were unequal gene effects and unequal variation explained on the expression of many morphological traits. These results are fundamentals for molecular assisted selection of morphological traits in Chinese cabbage breeding.
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