Parent-of-origin dependent and independent genome dosage effects on salt tolerance in A. thaliana. There is a parent-of-origin independent genome dosage effect on salt stress tolerance in Bur-0, Col-0, TAL07, Wilna, Zurich and Ler-0. There is a parent-of-origin dependent genome dosage effect on salt stress tolerance in Col-0, Ler-0 and Wilna. Plants were germinated in stress-free artificial growth media and after 9 days transferred to fresh media with or without NaCl. Plants were destructively harvested after 7 days. Each accession was analysed with a one-way ANOVA and means assigned different letters are statistically different (p < 0.05) according to Tukey’s HSD test; NS is not statistically different (p > 0.05). Error bars represent standard deviation.