An integrated genetic map based on four mapping populations and quantitative trait loci associated with economically important traits in watermelon (Citrullus lanatus)

Table 6 Main features of the QTL for traits based on joint analysis across two environments

QTL	Flanking marker	Position (cM)	CI	Add effect	R²(%)
Brix
Qbrix2-1	2Bin3-2Bin4	15.9	14.9-18.3	0.83	22.14
Qbrix2-2	2Bin20-2Bin21	73.9	69.9-76.1	0.54	28.87
Qbrix6	6Bin9-6Bin10	35.5	34.5-40.5	0.41	8.28
Qbrix8	8Bin13-8Bin14	24.3	22.3-27.6	0.79	13.71
Fructose
Qfru2-1	2Bin3-2Bin4	17.9	13.9-18.3	3.30	25.95
Qfru2-2	2Bin20-2Bin21	75.9	71.9-76.1	2.11	24.55
Qfru3	3Bin24-3Bin25	64.7	61.7-65.2	1.12	5.86
Qfru6	6Bin6-6Bin7	23.8	21.8-27.1	2.33	15.93
Qfru8	8Bin13-8Bin14	25.3	22.3-27.3	3.52	14.9
Glucose
Qglu6	6Bin6-6Bin7	23.8	21.8-27.1	2.51	16.71
Sucrose
Qsur2-1	2Bin3-2Bin4	15.9	14.9-18.3	0.82	6.39
Qsur2-2	2Bin20-2Bin21	71.9	68.9-76.1	0.76	9.65
Qsur5	5Bin5-5Bin6	19.1	16.1-19.3	0.54	7.97

CI: confidence intervals. Add effect: positive additive effect means parental cultivar 97103 contributed the favorable alleles.

ISSN: 1471-2229