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. Author manuscript; available in PMC: 2008 Oct 7.
Published in final edited form as: New Phytol. 2006;170(3):615–629. doi: 10.1111/j.1469-8137.2006.01687.x

Table 6.

Potassium-sodium selectivities (sK,Na) calculated from ion concentrations in tissue water in a salt tolerance experiment with the hybrid species Helianthus paradoxus and its progenitors Helianthus annuus and Helianthus petiolaris

H. annuus H. paradoxus H. petiolaris
Nonsaline 262 (197–348) 34 (27–41) 196 (141–272)
Field-like 3409 (2295–5065) 39 (31–49) 836 (627–1116)
K addition 1287 (850– 1948) 11 (9–14) 238 (157–360)
Ca & Mg reduction 3971 (2708–5823) 30 (23–40) 1354 (986–1859)

Medians with 95% confidence intervals are given.