Response of Triticum durum Desf varieties to different sowing dates under climate change
DOI:
https://doi.org/10.56286/NTU-JAVS.2026.6.1.108-113Keywords:
Duram wheat, sowing dates, wheat varietiesAbstract
Field experiment was carried out in Nineveh Governorate in 2024 agricultural season. study aimed to determine response of some Duram wheat varieties used to best sowing date in terms of productivity under climate change conditions Supplemental irrigation was used. experiment included two factors, first factor was sowing dates and included three dates (25 November, 10 December, 25 December), and second factor included three varieties of coarse wheat (Um Rabie, Ouhassan, Alwaha). Experiment was implemented according to a randomized complete block design (R.C.B.D.), according to factorial experiment system, with three replications. results indicated that sowing dates of 25 November and 10 December was superior in recording the highest significant values ??for plant height, which amounted to 91.31 cm and 90.46 cm, respectively. sowing dates of 10 December also excelled in recording the highest significant value for flag leaf area, which amounted to 46.98 cm2. Likewise, grain yield was 428.91 kg. Dunam-1. Ouhassan variety was also significantly superior in terms of spike length, 6.86 cm, and grain yield, 420.34 kg. Dunam-1. and did not differ significantly with Alwaha variety in plant height and with Um Rabie variety in flag leaf area. best significant binary interaction was for grain yield when planting Ouhassan variety on sowing dates of 10 December, which amounted to 592.28 kg. dunam-1 and protein % was 16.06%.
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