Table 2. Chlorophyll and carotenoid levels (2016–17).

		Chlorophyll a			Chlorophyll b			Carotenoids
Wheat variety	Plant developmental stage	Ctrl seeds	Primed seeds (Pr)	Pr/Ctrl ratio	Ctrl seeds	Primed seeds (Pr)	Pr/Ctrl ratio	Ctrl seeds	Primed seeds (Pr)	Pr/Ctrl ratio
Volodarka	Flowering	2.02 ± 0.01	2.27 ± 0.01	1.13	0.77 ± 0.01	0.77 ± 0.01	1.00	0.69 ± 0.01	0.69 ± 0.01	1.00
	Milk ripeness	1.99 ± 0.01	2.13 ± 0.02	1.07	0.65 ± 0.02	0.72 ± 0.01	1.11	0.59 ± 0.01	0.65 ± 0.01	1.10
	Booting	1.80 ± 0.01	2.11 ± 0.01	1.17	0.61 ± 0.01	0.77 ± 0.01	1.26	0.58 ± 0.01	0.61 ± 0.01	1.05
	Milk-wax ripeness	0.97 ± 0.01	1.01 ± 0.01	1.04	0.30 ± 0.01	0.33 ± 0.01	1.10	0.52 ± 0.01	0.46 ± 0.01	0.89
Yatran 60	Flowering	1.81 ±0.01	2.61 ± 0.01	1.44	0.67 ± 0.01	0.94 ± 0.02	1.40	0.55 ± 0.01	0.77 ± 0.01	1.40
	Milk ripeness	1.57 ± 0.01	2.44 ± 0.02	1.55	0.56 ± 0.02	0.83 ± 0.01	1.48	0.45 ± 0.01	0.68 ± 0.01	1.51
	Booting	1.52 ± 0.09	1.91 ± 0.02	1.26	0.55 ± 0.03	0.62 ± 0.02	1.13	0.44 ± 0.02	0.55 ± 0.02	1.25
	Milk-wax ripeness	1.10 ± 0.02	1.43 ± 0.01	1.30	0.31 ± 0.01	0.41 ± 0.01	1.32	0.45 ± 0.01	0.58 ± 0.01	1.29

Chlorophyll and carotenoids were measured as mg/g of fresh plant weight. Means ± SE are shown. Ctrl, Plants grown from untreated seeds. See the main text for the statistical analyses of these data using a modelling approach.