Late blight resistance gene from Solanum ruiz-ceballosii is located on potato chromosome X and linked to violet flower colour

Table 5 The percentages of variance (R² ) in P.infestans resistance explained by the significant marker-trait linkages (T student test, p < 0.000) in (a) detached leaflet tests and (b) tuber slice tests.

Marker	R²(%)
	a. Resistance of detached leaflets				b. Resistance of tuber slices
	2007	2008	2010	Weighted mean: 2007, 2008 and 2010	2006	2007	2010	Mean: 2006, 2007 and 2010
CT240	58.1	43.0	41.3	54.2	51.0	28.4	36.9	47.2
toPt-437093	53.3	35.3	34.8	46.4	44.8	33.6	32.5	44.8
pPt-654784	69.6	62.3	57.7	73.9	66.9	46.0	54.1	67.8
pPt456607	81.3	49.4	45.0	63.9	63.9	39.6	44.1	59.8
T1521	69.0	43.6	39.8	56.0	52.1	31.1	36.8	48.6
Violet flower colour	70.9	74.7	75.9	87.1	76.9	61.9	75.6	85.7
toPt-437866	70.1	61.8	57.1	73.6	67.3	45.2	53.5	67.4
pPt-473851	52.4	31.7	29.3	41.2	39.7	28.3	27.7	38.4
pPt-458887	50.1	28.4	25.0	36.7	35.7	22.9	23.5	32.9

All the markers are located on chromosome X and are inherited from the resistant parent 99-10/36

ISSN: 2730-6844