Biochemical and Anatomical Changes and Yield Reduction in Rice (Oryza sativa L.) under Varied Salinity Regimes

Table 4

Effect of salinity on the grain yield (g hill⁻¹) of eight rice varieties.

Rice variety	Salinity levels (dS m^−1)
	0 (control)	4	8	12
IR20	14.65^cd	5.24^d (36)	0.0^e	0.0^c
Pokkali	11.93^d	10.29^c (86)	7.05^c (60)	3.31^b (28)
MR33	19.44^ab	12.37^bc (64)	5.64^cd (29)	0.0^c
MR52	18.59^ab	13.36^b (72)	5.73^cd (31)	0.0^c
MR211	18.85^ab	17.00^a (90)	10.36^b (55)	4.83^a (26)
MR219	21.48^a	10.00^c (47)	4.67^d (22)	0.0^c
MR232	20.10^ab	18.07^a (90)	12.42^a (62)	5.08^a (25)
BRRI dhan29	17.26^bc	6.72^d (59)	0.0^e	0.0^c

Means with the same letter in the columns do not differ significantly (𝑃≤0.05).
Values within parenthesis indicate percent relative to the control.