Environmental Systems Research

Table 3 Mean NDVI values from re-greening to physiological maturity and grain yield of the five winter wheat genotypes under irrigation and rain-fed conditions

From: Effects of irrigation and rainfed practices on Normalized Difference Vegetative Index of Wheat (Triticum aestivum L.) and its Implications on Grain Yield in Northern China

	2017–2018												2018–2019
	Irrigated						Rain-fed						Irrigated						Rain-fed
	NDVI					GY (mg ha⁻¹)	NDVI					GY (mg ha⁻¹)	NDVI					GY (mg ha⁻¹)	NDVI					GY (mg ha⁻¹)
Wheat Genotype	R	B	A	G	M	GY (mg ha⁻¹)	R	B	A	G	M	GY (mg ha⁻¹)	R	B	A	G	M	GY (mg ha⁻¹)	R	B	A	G	M	GY (mg ha⁻¹)
Vr1	0.14	0.69	0.78	0.80	0.67	6.19	0.13	0.69	0.72	0.76	0.58	7.08	0.21	0.58	0.63	0.74	0.70	6.26	0.15	0.65	0.69	0.80	0.76	6.47
Vr2	0.15	0.67	0.82	0.78	0.65	7.48^*	0.16	0.77	0.74	0.78	0.72	7.28^*	0.19	0.78	0.82	0.81	0.73	8.05^*	0.18	0.67	0.76	0.76	0.68	7.18
Vr3	0.19	0.71	0.73	0.80	0.69	6.38	0.21	0.75	0.75	0.77	0.74	6.05	0.18	0.69	0.73	0.77	0.69	7.64	0.13	0.70	0.66	0.72	0.63	6.89
Vr4	0.14	0.67	0.70	0.75	0.62	6.05	0.15	0.61	0.69	0.68	0.50	5.96	0.17	0.70	0.68	0.68	0.60	6.18	0.16	0.68	0.68	0.65	0.61	5.78^**
Vr5	0.15	0.67	0.70	0.75	0.65	5.63^**	0.16	0.73	0.59	0.75	0.70	5.44	0.19	0.65	0.62	0.70	0.66	6.26	0.19	0.69	0.67	0.48	0.65	6.35
CK	0.18	0.73	0.77	0.79	0.66	5.72	0.14	0.64	0.63	0.54	0.49	6.24	0.16	0.74	0.71	0.72	0.70	6.39	0.19	0.70	0.65	0.67	0.64	5.96

R: re-greening growth stage (160 DAS), B: booting growth stage (200 DAS), A: anthesis growth stage (210 DAS), G: grain filling growth stage (220 DAS), M: physiological maturity growth stage (242 DAS). ^* and ^** indicate maximum and minimum values, within the same column, respectively

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