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        <dc:title>Quantitative trait loci analysis for resistance to Cephalosporium stripe, a vascular wilt disease of wheat </dc:title>
        <dc:creator>Quincke, M C</dc:creator>
        <dc:creator>et al, .</dc:creator>
        <dc:subject>Wheat</dc:subject>
        <dc:description>Cephalosporium stripe, caused by Cephalosporium&#13;
gramineum, can cause severe loss of wheat&#13;
(Triticum aestivum L.) yield and grain quality and can be&#13;
an important factor limiting adoption of conservation tillage&#13;
practices. Selecting for resistance to Cephalosporium&#13;
stripe is problematic; however, as optimum conditions for&#13;
disease do not occur annually under natural conditions,&#13;
inoculum levels can be spatially heterogeneous, and little is&#13;
known about the inheritance of resistance. A population of&#13;
268 recombinant inbred lines (RILs) derived from a cross&#13;
between two wheat cultivars was characterized using field&#13;
screening and molecular markers to investigate the inheritance&#13;
of resistance to Cephalosporium stripe. Whiteheads&#13;
(sterile heads caused by pathogen infection) were measured on each RIL in three field environments under artificially&#13;
inoculated conditions. A linkage map for this population&#13;
was created based on 204 SSR and DArT markers. A total&#13;
of 36 linkage groups were resolved, representing portions&#13;
of all chromosomes except for chromosome 1D, which&#13;
lacked a sufficient number of polymorphic markers.&#13;
Quantitative trait locus (QTL) analysis identified seven&#13;
regions associated with resistance to Cephalosporium&#13;
stripe, with approximately equal additive effects. Four&#13;
QTL derived from the more susceptible parent (Brundage)&#13;
and three came from the more resistant parent (Coda), but&#13;
the cumulative, additive effect of QTL from Coda was&#13;
greater than that of Brundage. Additivity of QTL effects&#13;
was confirmed through regression analysis and demonstrates&#13;
the advantage of accumulating multiple QTL allelesto achieve high levels of resistance</dc:description>
        <dc:publisher>Springer Verlag</dc:publisher>
        <dc:date>2011</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/5530/1/TheorApplGenet_122_1339%E2%80%931349_2011.pdf</dc:identifier>
        <dc:identifier>  Quincke, M C and et al, .  (2011) Quantitative trait loci analysis for resistance to Cephalosporium stripe, a vascular wilt disease of wheat.  TAG Theoretical and Applied Genetics, 122 (7).  pp. 1339-1349.  ISSN 1432-2242     </dc:identifier>
        <dc:relation>http://dx.doi.org/10.1007/s00122-011-1535-6 </dc:relation></oai_dc:dc>
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