Genetic Gain in Wheat Grain Yield and Nitrogen Use Efficiency at Different Nitrogen Levels in an Irrigated Hot Environment
Table 1
Mean biomass (kg/ha) of 12 bread wheat genotypes grown for two seasons under four N levels at Gezira Research Station Farm, Wad Medani, Sudan.
Genotype†
Biomass (kg/ha)
N0
N43
N86
N129
Beladi 60
6005
6981 (16)
8447 (41)
9533 (59)
Giza 155 71
5474
7079 (29)
8276 (51)
9679 (77)
Condor 78
5128
6206 (21)
6519 (27)
8661 (69)
Debeira 82
5853
7188 (23)
8101 (38)
8907 (52)
Wadi Elneel 87
4982
7148 (43)
8203 (65)
8522 (71)
Elnielain 90
5854
6934 (18)
8590 (47)
9215 (57)
Nesser 96
5089
6454 (27)
7465 (47)
7363 (45)
Argine 96
5547
5575 (1)
8385 (51)
9081 (64)
Imam 00
5433
7007 (29)
7924 (46)
9187 (69)
Tagana 04
5332
7253 (36)
8657 (62)
9439 (77)
Khalifa 04
4908
6729 (37)
7923 (61)
9402 (92)
Bohaine 06
5470
6444 (18)
7786 (42)
8104 (48)
Mean
5423
6750 (25)
8023 (48)
8924 (65)
SE ± for:
N level (N)
144.5
Genotype (G)
120.9
N × G
241.8
Number in parentheses is the percent difference relative to N0. Significant at ; significant at .†The numerical suffix (in bold) to the genotype name refers to the year of its release in Sudan.