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        <dc:title>Genetic analysis of yield and flesh colour in sweetpotato</dc:title>
        <dc:creator>Naidoo, S I M</dc:creator>
        <dc:creator>Laurie, S M</dc:creator>
        <dc:creator>Odeny, D A</dc:creator>
        <dc:creator>Vorster, B J</dc:creator>
        <dc:creator>Mphela, W M</dc:creator>
        <dc:creator>Greyling, M M</dc:creator>
        <dc:creator>Crampton, B G</dc:creator>
        <dc:subject>Genetics and Genomics</dc:subject>
        <dc:subject>African Agriculture</dc:subject>
        <dc:description>Pre-breeding information on the inheritance mechanism of important sweetpotato (Ipomoea batatas L.) agronomic&#13;
traits is still limited. This study aimed at assessing the inheritance of five sweetpotato agronomic traits, viz.&#13;
marketable fresh root yield (MFRY) and number (MNR), total fresh root yield (TFRY) and number (TNR) and&#13;
root b-carotene content (RBCC). A 5 x 5 full diallel was performed and F1 progenies, evaluated in two&#13;
environments alongside the parents. The data were subjected to ANOVA and DiallelSAS-05 Griffing’s method 1.&#13;
Simple Sequence Repeat (SSR) based genetic distance and cluster analysis were performed on the parental lines&#13;
using Jaccard’s coefficient and the unweighted pair group method with arithmetic averages (UPGMA). Significant&#13;
differences (P&lt;0.01) were detected among the genotypes for MFRY, MNR, TFRY, TNR and RBCC. Significant&#13;
general and specific combining ability (P&lt;0.01) effects were observed for all five traits. Additive gene action was&#13;
predominantly involved in the inheritance of these traits. High broad sense heritability values were observed for&#13;
the four yield parameters and for RBCC. The Jaccard’s similarity coefficient indicated moderate to low genetic&#13;
similarity distances among the parents, implying high diversity. The knowledge on the inheritance and diversity&#13;
of the parental genotypes enables more effective choice of parents in breeding improved varieties.</dc:description>
        <dc:publisher>African Crop Science Society</dc:publisher>
        <dc:date>2016</dc:date>
        <dc:type>Article</dc:type>
        <dc:type>PeerReviewed</dc:type>
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        <dc:language>en</dc:language>
        <dc:identifier>http://oar.icrisat.org/9998/1/131191-354659-1-PB.pdf</dc:identifier>
        <dc:identifier>  Naidoo, S I M and Laurie, S M and Odeny, D A and Vorster, B J and Mphela, W M and Greyling, M M and Crampton, B G  (2016) Genetic analysis of yield and flesh colour in sweetpotato.  African Crop Science Journal, 24 (1).  p. 61.  ISSN 1021-9730     </dc:identifier>
        <dc:relation>http://dx.doi.org/10.4314/acsj.v24i1.5</dc:relation>
        <dc:relation>10.4314/acsj.v24i1.5</dc:relation></oai_dc:dc>
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