Research Article
Genetic Gain in Wheat Grain Yield and Nitrogen Use Efficiency at Different Nitrogen Levels in an Irrigated Hot Environment
Table 3
Mean harvest index (%) of 12 bread wheat genotypes grown for two seasons under four N levels at Gezira Research Station Farm, Wad Medani, Sudan.
| | Genotype | Harvest index (%) | | N0 | N43 | N86 | N129 |
| | Beladi 60 | 31.7 | 31.3 (−1) | 30.3 (−4) | 28.4 (−10) | | Giza 155 71 | 36.7 | 34.4 (−6) | 32.8 (−11) | 30.8 (−16) | | Condor 78 | 44.3 | 41.4 (−7) | 39.7 (−11) | 37.5 (−15) | | Debeira 82 | 39.8 | 37.1 (−7) | 37.2 (−7) | 34.9 (−12) | | Wadi Elneel 87 | 40.1 | 39.8 (−1) | 38.3 (−4) | 37.0 (−8) | | Elnielain 90 | 39.6 | 39.1 (−1) | 38.3 (−3) | 41.4 (5) | | Nesser 96 | 35.9 | 40.7 (14) | 41.2 (15) | 39.4 (10) | | Argine 96 | 39.6 | 41.2 (4) | 37.8 (−5) | 37.6 (−5) | | Imam 00 | 36.8 | 35.5 (−3) | 36.5 (−1) | 36.5 (−1) | | Tagana 04 | 36.7 | 37.7 (3) | 34.0 (−7) | 30.3 (−17) | | Khalifa 04 | 40.9 | 41.6 (2) | 38.9 (−5) | 39.4 (−4) | | Bohaine 06 | 39.3 | 39.6 (1) | 39.9 (2) | 42.9 (9) | | Mean | 38.4 | 38.3 (0) | 37.1 (−3) | 36.3 (−5) | | SE ± for: | | | | | | N level (N) | | 0.59 | | | | Genotype (G) | | 0.74 | | | | N × G | | 1.5 | | |
|
|
Number in parentheses is the percent difference relative to N 0. Significant at ; significant at . |
