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

Table 5 Main features of the QTL for traits based on single environment (Env) analysis

QTL	Flanking marker	Position (cM)	CI	Env	Add effect	R²(%)
Brix
Qbrix2-1 ^M	2Bin3-2Bin4	15.9	13.9-18.3	2012	0.95	23.37
Qbrix2-2 ^M	2Bin20-2Bin21	71.9	68.9-76.1	2010	1.16	29.3
Qbrix2-2	2Bin20-2Bin21	71.9	68.9-76.1	2012	0.92	31.37
Fructose
Qfru2-1 ^M	2Bin3-2Bin4	15.9	13.9-18.3	2010	4.38	23.46
Qfru2-3	2Bin10-2Bin11	36.9	35.9-39.9	2012	3.75	28.07
Qfru2-2 ^M	2Bin20-2Bin21	74.9	68.9-76.1	2010	3.20	23.05
Qfru2-2	2Bin20-2Bin21	72.9	68.9-76.1	2012	3.08	28.16
Qfru6 ^M	6Bin5-6Bin6	18.4	17.4-21.8	2010	2.60	21.97
Qfru8 ^M	8Bin13-8Bin14	24.3	22.3-27.6	2012	3.96	15.25
Glucose
Qglu6 ^M	6Bin5-6Bin6	19.4	17.4-21.8	2010	2.70	22.55
Sucrose
Qsur2-1 ^M	2Bin3-2Bin4	15.9	13.9-18.3	2010	0.92	10.14
Qsur2-2 ^M	2Bin20-2Bin21	71.9	68.9-76.1	2010	1.03	13.77
Qsur5 ^M	5Bin5-5Bin6	19.1	15.1-19.3	2010	0.81	10.77

QTL in bold were detected in both years. CI: confidence intervals. Add effect: positive additive effect means parental cultivar 97103 contributed the favorable alleles.

ISSN: 1471-2229