Construction of a high-density genetic map and detection of a major QTL of resistance to powdery mildew (Erysiphe necator Sch.) in Caucasian grapes (Vitis vinifera L.)

Table 3 Proprieties of the significant QTL for the resistance to E. necator identified in ‘Shavtsitska’. List of the LOD-based largest QTL for the observed infection variables identified in the chromosome 13 of ‘Shavtsitska’ and information on their LOD scores, explained variance, map position, interval and associated SNP markers

Phenotypic data	Chr	LOD score	p-value	Expl. var. %	Pos. cM	Nearest marker	Bayes Conf. Intervals (lower and upper limits, α = 0.95)
Phenotypic data	Chr	LOD score	p-value	Expl. var. %	Pos. cM	Nearest marker	Pos. cM	Markers
Mycelium growth 5 dpi	13	40.17	< 0.001	63.46	47.0	SNP_13_ 18,102,346	46.70; 48.89	SNP_13_17909186; SNP_13_18213673
Sporulation intensity 7 dpi	13	61.45	< 0.001	77.62	47.0	SNP_13_ 18,102,346	46.70; 48.89	SNP_13_18,102,346; SNP_13_18213673
Plant necrosis freq. 5 dpi	13	31.65	< 0.001	54.91	46.7	SNP_13_ 18,102,346	46.70; 48.89	SNP_13_17909186; SNP_13_18213673
Square root (n conidia/ml)	13	28.68	< 0.001	50.68	46.7	SNP_13_ 18,102,346	45.61; 48.89	SNP_13_15836674; SNP_13_18213673
rAUDPC for mycelium g.	13	37.72	< 0.001	61.31	46.7	SNP_13_ 18,102,346	46.70; 48.89	SNP_13_17909186; SNP_13_18213673
rAUDPC for sporulation i.	13	64.88	< 0.001	80.15	47.0	SNP_13_ 18,102,346	46.70; 48.89	SNP_13_17909186; SNP_13_18213673

ISSN: 1471-2229