Table 4.

Mean monthly and seasonal CWSI amounts of safflower cultivars under different irrigation regimes in 2017–2018 and 2018–2019 growing seasons.

Irrigation regimes	Cultivar type	Mean				CWSI				Mean Seasonal CWSI
		April		May		June		July
		2017–18	2018–19	2017–18	2018–19	2017–18	2018–19	2017–18	2018–19	2017–18	2018–19
Well-watered	Goldasht	0.071	0.097	0.124	0.217	0.244	0.266	0.267	0.291	0.18	0.22
	Local Isfahan	0.084	0.112	0.131	0.231	0.256	0.278	0.277	0.311	0.19	0.23
Mild water stress	Goldasht	0.125	0.139	0.291	0.31	0.323	0.386	0.364	0.381	0.28	0.30
	Local Isfahan	0.133	0.185	0.315	0.343	0.366	0.401	0.389	0.397	0.30	0.33
Severe water stress	Goldasht	0.486	0.511	0.496	0.581	0.62	0.659	0.674	0.691	0.57	0.61
	Local Isfahan	0.514	0.556	0.544	0.613	0.672	0.679	0.721	0.795	0.61	0.66
Most severe water stress	Goldasht	0.514	0.556	0.611	0.687	0.643	0.714	0.701	0.784	0.62	0.69
	Local Isfahan	0.623	0.657	0.698	0.745	0.745	0.789	0.831	0.901	0.72	0.77
LSD (0.05)		0.09	0.11	0.09	0.1	0.13	0.09	0.15	0.11	0.12	0.10