Biochemical and Anatomical Changes and Yield Reduction in Rice (Oryza sativa L.) under Varied Salinity Regimes
Table 2
Effect of salinity on chlorophyll-a content (mg cm−2) of eight rice varieties.
Varieties
Salinity levels (dS m−1)
0
4
8
12
IR20
10.49a (100)
8.53abc (81)
6.24c (59)
3.85d (37)
Pokkali
9.78abc (100)
9.11ab (93)
7.87a (77)
5.93a (61)
MR33
8.85bc (100)
8.59abc (97)
7.08b (80)
5.04b (57)
MR52
8.26c (100)
7.28b (89)
6.01c (73)
4.05bc (49)
MR211
9.85ab (100)
9.44a (96)
8.52a (87)
5.96a (61)
MR219
10.28ab (100)
8.98abc (88)
6.41bc (62)
3.81d (36)
MR232
9.64ab (100)
9.24a (96)
7.95ab (83)
6.12a (64)
BRRI dhan29
9.55abc (100)
7.54b (79)
6.0c (63)
3.73d (39)
Means within columns with the same letters are not significantly different (LSD, ). Values within parenthesis indicate percent relative to the control.