. 2015 Apr 30;10(4):e0126097. doi: 10.1371/journal.pone.0126097

Table 2. Mean comparison of different quality traits and grain yield at different levels of treatments.

Treatments	SPAD Chlorophyll Content	Proline (μg g^-1)	Grain Protein (%)	Dry Gluten (%)	Grain ash (%)	SDS	Grain Yield (t ha^-1)
Years (Y)
Y1 (2008–09)	54.67^a	27.77^b	12.44^b	8.12^a	1.56^b	21.03^b	2.81^a
Y2 (2009–10)	45.56^b	36.25^a	13.47^a	7.07^b	1.67^a	28.34^a	1.65^b
Locations (L)
Islamabad	51.80^a	24.55^c	12.40^c	7.67^a	1.58^c	24.01^c	3.19^a
Chakwal	49.43^b	32.36^b	13.14^b	7.61^b	1.61^b	24.65^b	1.89^b
Talgang	42.12^c	39.13^a	13.34^a	7.51^c	1.65^a	25.40^a	1.62^c
Genotypes (G)
Chakwal-50	50.49^ns	33.61^a	12.75^b	5.94^c	1.52^c	27.24^a	3.28a
Wafaq-2001	49.92	31.90^b	11.99^c	7.52^b	1.75^a	21.73^c	2.06c
GA-2002	49.93	30.52^c	14.13^a	9.33^a	1.57^b	24.51^b	2.25b
Sowing Dates (SD)
SD1	52.54^a	30.74^d	12.90^d	7.61^b	1.60^d	24.37^d	2.52^b
SD2	49.63^b	27.97^e	11.88^e	7.68^a	1.57^e	24.13^e	3.12^a
SD3	47.60^b	32.10^c	13.16^c	7.60^b	1.62^c	24.82^c	2.05^c
SD4	50.32^a	33.82^b	13.36^b	7.57^bc	1.66^a	24.97^b	1.84^d
SD5	50.48^a	35.42^a	13.48^a	7.54^c	1.64^b	25.15^a	1.62^e

Notes: Means with similar letter(s) have no significant difference while different letters a,b,c,d,e showed that means are significantly different from each other at 0.05 probability levels, ns = non-significant.