Table 3 K, Na, and Cl concentration in spinach (ʻGazelleʼ) and quinoa (ʻCPAC09ʼ) roots under ECiw of 2 and 25 dS m−1

From: Spinach (Spinacia oleracea) has epidermal bladder cells and exhibits characteristics of a facultative halophyte

ECiw (dS m−1)

Ion Concentration (g kg−1 dry weight)

K

Na

Cl

Spinach

Quinoa

Spinach

Quinoa

Spinach

Quinoa

2

42.1

19.8

4.2Ba

6.5Ba

8.15Ba

6.6Ba

25

44.6

22.5

18.9Aa

15.7Ab

41.6Aa

23.0Ab

ANOVA

F

F

F

Species

132.19***

0.74NS

39.97***

ECiw

1.77NS

150.36***

266.00***

Species X ECiw

0.001NS

8.05*

28.30***

CV (%)

11.93

17.12

16.12

  1. Uppercase letters compare means in each column and lowercase letters compare means in each row for each mineral—means compared using the Tukey test at 5% probability.
  2. ***, * and NS are equal to 0.1%, 5% of probability and no significant, respectively.