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Rice

Table 1 Shoot Na + and K + accumulation and K + /Na + ratio of rice cv. Fatmawati and IR64 at 20 d after application of a moderate salt stress (50, 75 and 100 mM NaCl)

From: Image-based phenotyping for non-destructive screening of different salinity tolerance traits in rice

Cultivar

Salt stress (mM NaCl)

Na+(mM)

K+(mM)

Shoot K+/Na+

Fatmawati

0

1.6 ± 0.1 a

297.4 ± 6.6 a

196.8 ± 16.6

 

50

2.4 ± 0.3 b

343.0 ± 6.6 b

151.0 ± 14.1

 

75

3.3 ± 0.2 c

362.0 ± 5.6 bc

111.0 ± 5.4

 

100

3.4 ± 0.2 c

365.6 ± 7.2 c

111.8 ± 6.6

IR64

0

2.5 ± 0.1 b

345.1 ± 7.4 b

137.4 ± 5.1

 

50

4.8 ± 0.3 d

357.3 ± 10.0 bc

76.7 ± 4.4

 

75

5.7 ± 0.4 e

365.4 ± 3.5 c

66.4 ± 4.7

 

100

6.1 ± 0.4 e

385.5 ± 7.2 d

65.0 ± 4.3

F-test

Cultivar (C)

**

**

**

 

Salt stress (S)

**

**

**

 

C x S

**

*

ns

  1. Values are the means ± SE (n = 7). Values in the same column followed by the same letter are not significantly different according to LSD (0.05) test. **and * = significant at P < 0.01 and 0.05, respectively. ns = not significant.
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