Research Article

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.

GenotypeBiomass (kg/ha)
N0N43N86N129

Beladi 6060056981 (16)8447 (41)9533 (59)
Giza 155 7154747079 (29)8276 (51)9679 (77)
Condor 7851286206 (21)6519 (27)8661 (69)
Debeira 8258537188 (23)8101 (38)8907 (52)
Wadi Elneel 8749827148 (43)8203 (65)8522 (71)
Elnielain 9058546934 (18)8590 (47)9215 (57)
Nesser 9650896454 (27)7465 (47)7363 (45)
Argine 9655475575 (1)8385 (51)9081 (64)
Imam 0054337007 (29)7924 (46)9187 (69)
Tagana 0453327253 (36)8657 (62)9439 (77)
Khalifa 0449086729 (37)7923 (61)9402 (92)
Bohaine 0654706444 (18)7786 (42)8104 (48)
Mean54236750 (25)8023 (48)8924 (65)
SE ± for:
 N level (N)144.5
 Genotype (G)120.9
 N × G241.8

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.