Genetic mapping of resistance loci using the Col-5xNd-1 RIL family.

a<p>distance between QTL and the first marker of the corresponding chromosome.</p>b<p>additive effects, indicates the contribution of Nd alleles.</p>c<p>the standard error of estimated QTL effect and P-value.</p>d<p>heritability of additive effect, contribution explained by putative main-effect QTL.