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RESPONSE OF DIFFERENT GENOTYPES TO GROWTH AND YIELD CHARACTERISTICS OF BREAD WHEAT AT DIFFERENT LEVELS OF NITROGEN FERTILIZER | ||
| Mesopotamia Journal of Agriculture | ||
| Article 9, Volume 53, Issue 2, June 2025, Pages 121-133 PDF (599.89 K) | ||
| Document Type: Research | ||
| DOI: 10.33899/mja.2025.161255.1616 | ||
| Authors | ||
| Saif S. Mohammed; Zakariya Bader Al Hamdani* | ||
| Field Crops Department, College of Agricultural and Forestry, University of Mosul, Mosul, Iraq | ||
| Abstract | ||
| The experiment was carried out during the 2023/2024 agricultural season in the village of Al-Qubba, affiliated with the Tel Kaif district, which is 17 km north of Mosul. The aim is to evaluate the performance of bread wheat genetic compositions and to determine the crop response to nitrogen fertilisation in plant growth and yield traits, using a complete randomised block design. In a split-plot Replaced by design and three sectors, the experiment included two factors: the first has three levels of nitrogen fertilization, urea 46% (0, 120, 240 kg/ha), distributed in the main sectors, and the second factor has been ten genetic compositions of soft wheat (BAASH-14, AZAD-2, BAOBAB-1, ASEEL-1, Ibaa99, Buhuth22, Mawaddah, Baghdad1, Jihan99, Adana99). It is important to state that the results of the variance analysis showed that nitrogen fertilisation levels were significant at the 1% probability level for all studied traits. The genotypes have been significant at the 1% probability level for all traits except flag leaf area cm2 and harvest index%, which have been significant at the 5% probability level. The interaction between genetic compositions and fertilization was significant at the 1% level for all traits except for the trait of leaf area and flag, where it was significant at 5%, exceeding the nitrogen level of 120 kg/ha with the highest average for most traits, which are (weight of a thousand grains/g, biological yield g/m2, grain yield g/m2, harvest index%). | ||
| Keywords | ||
| Wheat genotypes; nitrogen fertilizer; yield and its components | ||
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