Al-Mafarji, Tariq Raad Thaer and Al-Jubouri, Khalid Khalil Ahmed Diagnosis of growth traits of Triticale genotypes (X Triticosecale wittmack) tolerant to nitrogen stress and estimation of some genetic parameters. Euphrates Journal of Agricultural Science, 16 (02). pp. 388-399. ISSN 388-399

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Abstract

A field experiment was carried out in the agricultural experiments of the College of Agriculture - Kirkuk University, which is located below 44 longitude and 35 latitude during the agricultural season (2023-2024) with the aim of studying growth traits which are the number of days to 50% flowering, number of total tillers plant-1, plant height, spike length, flag leaf area, and leaf area) for six genotypes of triticale (Frah, mohand, hui/tub-1, cmh80, liron-5, caal) under conditions of nitrogen stress (80 and 160) kg N ha-1 Based on estimation of genetic parameters. The results showed that Mohand genotype prevailed in all the studied traits, while the nitrogen fertilization level of 80 kg ha-1 prevailed in traits of number of days to 50% flowering, plant height, number of total tillers plant-1, and spike length, while the Mohand genotype prevailed in traits of the nitrogen fertilization level 80 kg ha-1 prevailed in the traits of number of days to 50% flowering, the number of total tillers plant-1, spike length, flag leaf area, and leaf area, which were 113, 10.00, 13.50, 37.05, and 1863.90, respectively. All traits studied were under the control of the genetic factor, and heritability broad sense ratio was high for traits of number of total tillers plant-1, spike length, and leaf area, reaching 76.12, 96.90, and 63.54%, respectively. The expected genetic advance was medium for traits of number of total tillers plant-1, spike length, flag leaf area, and leaf area were 21.72, 19.71, 10.44, and 26.57%, respectively. Therefore, selection can be made for these traits to improve them.

Item Type:	Article
Subjects:	A General Works > AI Indexes (General)
Depositing User:	admin eprints
Date Deposited:	14 Sep 2026 09:02
Last Modified:	14 Sep 2026 09:02
URI:	http://eprints.umsida.ac.id/id/eprint/17096

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