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Fellahi Z.E.A.,Ferhat Abbas University Setif | Fellahi Z.E.A.,National Agronomic Research Institute of Algeria INRAA | Hannachi A.,Ferhat Abbas University Setif | Hannachi A.,National Agronomic Research Institute of Algeria INRAA | And 2 more authors.
Songklanakarin Journal of Science and Technology | Year: 2016

Nine bread wheat genotypes were crossed under a partial diallel scheme, in which group 1 counted five lines and group 2 four lines. The 20 F1’s and their parents were evaluated in randomized complete block design with three replications at the Field Crop Institute-Agricultural Experimental Station of Setif (Algeria) during the 2011/2012 cropping season. The results showed that the components associated with additive effects were more relevant than those associated with the dominance effects for these traits. Based on the KD/KR ratio, the dominant alleles are present in greater frequency in the first group of parents, while the opposite is true for the second group. Values of the gene proportion with positive and negative effects in the parents revealed an unequal distribution of dominant genes in the parents for almost all the traits except for number of grain per spike in the second group which showed an equal distribution. © 2016, Prince of Songkla University. All rights reserved. Source


Bachiri H.,National Agronomic Research Institute of Algeria INRAA | Djebbar R.,National Agronomic Research Institute of Algeria INRAA | Djenadi C.,National Agronomic Research Institute of Algeria INRAA
American Journal of Plant Physiology | Year: 2014

This study assessed the physiological changes in wheat plants exposed to gamma radiation and then subjected to water stress for 10 days. Seeds of wheat cultivar Hidhab and M4 mutant populations obtained previously by gamma rays treatment of cultivar Hidhab with 150 and 200 Gy were carried out in the green house at University of Bab-Ezzour (North Algeria) in 2012-2013. In water stress conditions, the 150 Gy dose caused a significant increase of total chlorophyll (30.13%) and proline content (31.48%) compared to non irradiated plants. Also the data show both treatments had a significant effect on Relative Water Content (RWC), where the high values of water content (48.57 and 54.10%) were recorded at 150 and 200 Gy, respectively under water stress. Overall, most of the physiological traits showed an improvement under gamma effect, now it is clear that the physical agents such as gamma rays can be used to enhance wheat cultivars in harsh conditions. © 2014 Academic Journals Inc. Source

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