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120 Ceoloni, C., Pasquini, M., Simeone, R. 2005. The cytogenetic contribution to the analysis and manipulation of the durum wheat genome. In: Royo, C., Nachit, M.N., Di Fonzo, N., Araus, J

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., Simeone, M., Masci, S., Porceddu, E. 1997. Molecular characterization of a LMW-GS gene located on chromosome 1B an the development of primers specific for the Glu-B3 complex locus in durum wheat. Theor. Appl. Genet. 95 :1119

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stripe rust in durum wheats, A-genome diploids, and their amphiploids. Euphytica 94 :279–286. Mujeeb-Kazi A. Resistance to stripe rust in durum wheats, A-genome diploids, and their

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., Ciaffi, M., Lafiandra, D., Borghi, B. (1997): Effect of the duration and intensity of heat shock during grain filling on dry matter and protein accumulation, technological quality and protein composition in bread and durum wheat. Aust. J. Plant Physiol

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Blanco, A., Simeone, R., Gadaleta, A. 2006. Detection of QTLs for grain protein content in durum wheat. Theor. Appl. Genet. 112 :1195–1204. Gadaleta A. Detection of QTLs for grain

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97 292 298 Almansouri, M., Kinet, J. M., Lutts, S. (2001): Effect of salt and osmotic stresses on germination in durum wheat ( Triticum durum

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.R., Clarke, J.M., Knox, R.E. 2002. Inheritance of stem solidness in eight durum wheat crosses. Can. J. Plant Sci. 82 :661–664. Knox R.E. Inheritance of stem solidness in eight durum wheat

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Cereal Research Communications
Authors: V. Oslovičová, J.R. Simmonds, J.W. Snape, Z. Gálová, Z. Balážová, and I. Matušíková

In this study we evaluate the genetic diversity of a selection of wheat accessions characteristically grown and adapted to mid-European environments, using various molecular marker systems. Thirty-three simple sequence repeat (SSR) markers were used alongside genic markers for known dwarfing genes, flowering time genes, and grain hardness genes, namely Rht-B1, Rht-D1, Ppd-D1, Vrn-A1, Vrn-B1, Vrn-D1 and Pinb-D1. In addition, variation was scored for the high-molecular-weight glutenin storage proteins, responsible for dough technological quality. A dendrogram was constructed using the UPGMA algorithm, based on the molecular data and the country of origin, giving an overview of their genetic similarity and relationships. The potential for the use of some agronomic traits in breeding, by providing a basis for multi-trait genetic selection in wheat breeding programs is discussed. Estimating the breeding values of crops using multiple genetic markers might help in breeding for varieties with good technological quality for growing under desired climatic conditions.

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bread wheat to tetraploid durum wheat. Theor. Appl. Genet. 74 :423–425. Kunzmann R. Transfer of 1B/1R wheat-rye translocation from hexaploid bread wheat to tetraploid durum wheat

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Effects of salt stress on root growth, mitotic index, nuclear volume, vacuolization, nucleolar distortion and starch content were investigated in Turkish bread wheat ( Triticum aestivum L. cvs. Yildiz — salt sensitive, Dagdas — salt tolerant) and durum wheat ( Triticum durum L. cvs. C1252 — salt sensitive, Meramsalt tolerant) genotypes which were treated with 150 mM NaCI over a 6-day period. Salt treatment of wheat seedlings resulted in a decrease in root elongation and cell division in all genotypes at the 48 hours. According to controls, wheat root length decrease was 49% for Dagdas, 53.34% for Yildiz, 25.34% for Meram, 53.68% for C1252 at the 48 h. Mitotic index showed a more significant decrease in sensitive genotypes (1.24% for Yildiz, 0.66% for C1252 compairing to their controls 3.85% and 3.72%, respectively) of bread and durum wheat rather than tolerant ones (2.21% for Dagdas, 1.57% for Meram compairing to their controls 4.12% and 5.88%, respectively) at the 48 h of salt treatment. Calculated nuclear volume of wheat genotypes besides Dagdas showed a decline at the 48 h ranged from 1.57×10 5 to 2.13×10 5 μm 3 . Vacuolization and nuclear distortion appeared on DAPI-stained preparations. There was a clear reduction in starch content in salt treated genotypes of durum wheat.

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