Table 1.

Means and regression analysis of grain weight per plant in response to four irrigation levels for each cultivar in 2014, 2015, and 2016. **, *, ns indicate p < 0.01, p < 0.05, p > 0.05, respectively.

Cultivar	Year	Yield under Water Saturated Condition (IRRI_1)		Yield Response (Slope of yield/% VWC)				Yield Performance under Water Stress
		Mean	SE	Estimate	SE	Prob. > F	R2
TQNG	2014	38.77	4.97	2.24	0.45	**	0.72	High response
	2015	55.80	8.05	2.37	0.82	*	0.55
	2016	47.00	2.78	1.95	0.64	**	0.54
PI77	2014	31.60	6.13	1.59	0.46	**	0.55
	2015	37.30	8.99	1.00	0.52	ns	0.35
	2016	47.00	3.51	1.57	0.45	**	0.56
LGRU	2014	25.00	1.67	1.02	0.25	**	0.62	Intermediate response
	2015	13.60	0.40	0.09	0.32	ns	0.02
	2016	26.50	1.04	1.33	0.33	**	0.34
LMNT	2014	16.93	0.73	0.80	0.27	**	0.47
	2015	15.43	3.91	0.10	0.58	ns	0.01
	2016	17.33	2.77	0.90	0.29	**	0.62
FRCS	2014	38.03	1.68	0.89	0.72	ns	0.13	Non or low response
	2015	31.13	5.40	0.41	0.58	ns	0.08
	2016	37.67	6.89	0.33	0.49	ns	0.04
KBNT	2014	16.03	6.53	0.56	0.55	ns	0.09
	2015	13.10	3.41	0.49	0.20	ns	0.50
	2016	14.17	5.13	−0.10	0.32	ns	0.01
SABR	2014	30.63	3.54	0.70	0.38	ns	0.25
	2015	19.00	3.06	0.09	0.24	ns	0.02
	2016	24.50	0.76	0.21	0.22	ns	0.08