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

¹PL: planting; HD: heading; PM: physiological maturity; GF: grain fill.