نتایج جستجو برای: triticum durum

تعداد نتایج: 15977  

2017
Othmane Merah Philippe Evon Philippe Monneveux

In wheat, flag leaf, stem, chaff and awns contribute to grain filling through photosynthesis and/or re-mobilization. Environmental and genetic effects on the relative contribution of each organ were examined by analyzing the consequences of sink-source manipulations (shading and excision) and by comparing carbon isotope discrimination (Δ) values in dry matter (at maturity) and sap (two weeks af...

Journal: :Journal of experimental botany 2007
J L Araus J P Ferrio R Buxó J Voltas

Wheat is one of the founder crops of Western agriculture. This study reconstructs agronomic conditions, potential yields, and kernel weight in the beginnings of cultivation of domesticated free-threshing wheat, c. 8000 BC. The carbon and nitrogen stable isotope compositions and the dimensions of fossil grains of naked wheat (Triticum aestivum/durum) were analysed. Samples were collected in Tell...

Journal: :Phytopathology 2009
David F Garvin Robert W Stack Jana M Hansen

Chromosome 2A of wild emmer wheat (Triticum turgidum var. dicoccoides) genotype Israel A increases Fusarium head blight (FHB) severity when present in durum wheat (T. turgidum var. durum) cv. Langdon (LDN). The goal of this study was to identify regions of Israel A chromosome 2A associated with this difference in resistance. A recombinant inbred chromosome line population (RICL) from a cross be...

Journal: :Genetics 2008
Marco Maccaferri Maria Corinna Sanguineti Simona Corneti José Luis Araus Ortega Moncef Ben Salem Jordi Bort Enzo DeAmbrogio Luis Fernando Garcia del Moral Andrea Demontis Ahmed El-Ahmed Fouad Maalouf Hassan Machlab Vanessa Martos Marc Moragues Jihan Motawaj Miloudi Nachit Nasserlehaq Nserallah Hassan Ouabbou Conxita Royo Amor Slama Roberto Tuberosa

Grain yield is a major goal for the improvement of durum wheat, particularly in drought-prone areas. In this study, the genetic basis of grain yield (GY), heading date (HD), and plant height (PH) was investigated in a durum wheat population of 249 recombinant inbred lines evaluated in 16 environments (10 rainfed and 6 irrigated) characterized by a broad range of water availability and GY (from ...

Journal: :Genetics 2001
A B Korol Y I Ronin A M Itskovich J Peng E Nevo

An approach to increase the efficiency of mapping quantitative trait loci (QTL) was proposed earlier by the authors on the basis of bivariate analysis of correlated traits. The power of QTL detection using the log-likelihood ratio (LOD scores) grows proportionally to the broad sense heritability. We found that this relationship holds also for correlated traits, so that an increased bivariate he...

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