Epistatic and QE interaction loci for relevant traits of RILs under different NaCl conditions by QTLNetwork.

aRNC: root Na+ concentration; RKC: root K+ concentration; SNC: shoot Na+ concentration; SKC: shoot K+ concentration; STR: salt tolerance rating;bChromosome on which the QTL was located;cA or AA represents the estimated additive effect of additive QTL or epistatic QTL, and the AE1, AE2 and AE3 represent the additive effects of additive QTL under 0, 100 and 120 mM NaCl conditions, respectively; Its positive value indicates that Jiucaiqing has the positive allele and the case of negative values is just the opposite; AAE1, AAE2 and AAE3 represent the additive effects of epistatic QTL under 0, 100 and 120 mM NaCl conditions, respectively; Its positive value indicates that two loci genotypes being the same as those in parent Jiucaiqing (or IR26) take the positive effects, while the two-loci recombinants take the negative effects;dr2(A), r2(AA), r2(AE) and r2(AAE) represent the phenotypic variation explained by the additive QTL, epistatic QTL, additive QTL× environment interactions and epistatic QTL×environment interactions, respectively.**and * indicates significance at the level of 1% and 5%, respectively.