Research Article
Phenological Development-Yield Relationships in Durum Wheat Cultivars under Late-Season High-Temperature Stress in a Semiarid Environment
Table 1
Phenological traits1, grain filling rate, grain weight, and grain yield of durum wheat genotypes grown at Maru location.
| Genotype | PL to HD | PL to PM | GF duration | GF rate mg/100 GDD | Spikes/m² | Grains/spike | Grain weight mg/seed | Grain yield kg/ha | GDD |
| Hourani-27 | 1230 | 2363 | 1133 | 3.75 | 215 | 42.3 | 42.5 | 3866 | Omguer-5 | 1106 | 2396 | 1290 | 3.91 | 197 | 33.7 | 48.5 | 3213 | Genil-3 | 1206 | 2389 | 1183 | 4.18 | 204 | 37.6 | 49.5 | 3800 | Stork | 1118 | 2396 | 1278 | 4.27 | 177 | 32.6 | 54.5 | 3333 | Korifla | 1156 | 2363 | 1207 | 3.19 | 191 | 38.1 | 38.6 | 2813 | Omrabi-5 | 1218 | 2361 | 1143 | 3.98 | 316 | 32.3 | 45.5 | 4646 | Waha-1 | 1188 | 2302 | 1114 | 3.57 | 318 | 37.1 | 40.5 | 4786 | Stojocri-3 | 1143 | 2365 | 1222 | 4.44 | 154 | 33.7 | 55.5 | 2887 | Massara-1 | 1166 | 2305 | 1139 | 4.11 | 275 | 32.2 | 51.0 | 4526 | Omsnima-1 | 1180 | 2401 | 1311 | 3.44 | 170 | 33.9 | 45.1 | 2600 | Lagost-3 | 1106 | 2396 | 1290 | 4.57 | 183 | 30.1 | 59.0 | 3246 | Heina | 1205 | 2387 | 1182 | 4.02 | 180 | 35.3 | 47.5 | 3013 | Ombar | 1094 | 2361 | 1267 | 4.14 | 191 | 34.8 | 52.5 | 3694 | Gersabil-2 | 1081 | 2336 | 1255 | 3.9 | 175 | 36.2 | 49.0 | 3113 | Moulsabil-2 | 1106 | 2425 | 1319 | 3.71 | 169 | 38.1 | 49.0 | 3166 | Zeina-3 | 1095 | 2361 | 1266 | 3.83 | 196 | 36.2 | 48.5 | 3440 |
| LSD (0.05) | 32 | 43 | 47 | 0.6 | 34 | 3.6 | 2.5 | 492 |
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1PL: planting; HD: heading; PM: physiological maturity; GF: grain fill.
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