Grain and Flour Wheat Quality Modified by Genotype, Availability of Nitrogen, and Growing Season

Table 1

F values for test weight (TW), hardness, flour yield (FY), ash content in grain (ACG), grain protein (GP), flour protein (FP), and sedimentation volume (SDS) determined for 9 wheat varieties under 4 nitrogen fertilization doses in Toluca, Mexico.

F.V	df	Physical variables			Chemical variables
		TW (kg hL^−1)	Hardness (%)	FY (%)	ACG (%)	GP (%)	FP (%)	SDS (ml)
Cycle (C)	1	1454.4	6946.7	0.9 ns	100.4	62.7	10.7	518.7
Nitrogen (N)	3	0.9 ns	1.3 ns	0.4 ns	1.2 ns	8.1	8.7	3.1 ns
C x N	3	0.4 ns	1.3 ns	0.6 ns	0.1 ns	2.9 ns	1.2 ns	0.4 ns
Rep (C x N)	16	2.3	0.2 ns	7.1	1.8	6.2	2.4	2.4
Variety (var)	8	11.1	216.4	5.2	3.8	33.8	11.1	33.8
C x var	8	6.5	16.44	7.3	1.5 ns	12.8	5.0	13.3
N x var	24	0.8 ns	1.7	1.0 ns	1.3 ns	3.2	1.2 ns	1.0 ns
C x N x var	24	0.7 ns	1.7	0.7 ns	0.9 ns	1.6	0.8 ns	0.9 ns
Error (CM)	128	3.8	6.0	14.0	0.02	0.2	0.8	7.5
C.V (%)		2.8	4.8	6.2	8.0	4.3	9.2	13.2

, , and ns: not significant.