S. Elhani

Ecologie et Ecophysiologie Forestières

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i-10 index

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Co-Authors

Yahia Rharrabti

Sidi Mohamed Ben Abdellah University

L. F. García del Moral

Universidad de Granada

C. Royo

Institute for Research and Technology in Food and Agriculture

Jean‐Luc Dupouey

Université de Lorraine

J. L. Araus

Universitat de Barcelona

Jean-Marc J.-M. Guehl

Ecologie et Ecophysiologie Forestières

Stéphane Ponton

Université de Lorraine

Vanessa Martos

Universidad de Granada

Claude Bréchet

Ecologie et Ecophysiologie Forestières

M. M. Nachit

International University of Rabat

Cooperative Institutions

Institut National de la Recherche Agronomique

Ecologie et Ecophysiologie Forestières

Institut National de Recherche pour l'Agriculture, l'Alimentation et l'Environnement

Université de Lorraine

Centre National de la Recherche Scientifique

AgroParisTech

Universidad de Granada

Mohamed I University

Université Paris-Saclay

Institut National de la Recherche Agronomique du Niger

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Identification of mechanisms involved in nitrogen deficiency tolerance of wheat using a simplified model of C/N relations and root architecture.

HAL (Le Centre pour la Communication Scientifique Directe) (2007)

S. Elhani Anne Laperche Florence Devienne-Barret Olivier Maury Céline Richard‐Molard

Identification

Root (linguistics)

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Citations (0)

Environmental and genetic determination of protein content and grain yield in durum wheat under Mediterranean conditions

Plant Breeding (2001)

Yahia Rharrabti D. Villegas L. F. García del Moral Nieves Aparicio S. Elhani

Abstract The unpredictability of the Mediterranean climate causes fluctuations in wheat yield and quality, but offers the opportunity for obtaining high‐quality durum wheat in terms of grain protein content. Twenty‐five durum wheat genotypes were grown under irrigated and rainfed conditions at each of two latitudes in Spain during 1998 and 1999. Differences between latitudes in grain protein content and chlorophyll content in the flag leaf were attributable to nitrogen fertilization management. Cycle length until anthesis was less affected by the environment than grain‐filling duration, and was longer under irrigated conditions than in the rainfed sites. A negative asymptotic curve was the best equation to fit the relationship between yield and protein content, suggesting that yield improvements in fertile environments may be attained with negligible reductions in protein content. ‘Jabato’, ‘Waha’, ‘Lagost‐3’, ‘Massara‐1’ and ‘Vitŕon’ showed medium to high yield, yield stability and high protein content. Chlorophyll content in the flag leaf, measured at anthesis with the soil‐plant analysis development (SPAD) portable field unit, may be useful for the fast and cheap detection of durum wheat genotypes with high grain protein content in drought‐stressed Mediterranean environments.

Anthesis

10.1046/j.1439-0523.2001.00628.x

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Citations (112)

Relationship between some quality traits and yield of durum wheat under southern Spain conditions.

Yahia Rharrabti S. Elhani V. Martos Núñez L. F. García del Moral C. Royo

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Citations (6)

Carbon and oxygen stable isotopes from tree-rings to identify spruce budworm outbreaks in the boreal forest of Québec

Chemical Geology (2008)

Sonia Simard S. Elhani Hubert Morin Cornélia Krause Paolo Cherubini

Abies balsamea

Choristoneura fumiferana

10.1016/j.chemgeo.2008.01.018

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Citations (36)

Contribution of main stem and tillers to durum wheat (Triticum turgidum L. var. durum) grain yield and its components grown in Mediterranean environments

Field Crops Research (2007)

S. Elhani Vanessa Martos Yahia Rharrabti C. Royo L. F. García del Moral

Tiller (botany)

Anthesis

Drought stress

Drought Tolerance

Main stem

10.1016/j.fcr.2007.05.008

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Citations (98)

Impact des dépôts azotés sur les changements de productivité des forêts. Apports de la dendro-isotopie

HAL (Le Centre pour la Communication Scientifique Directe) (2006)

S. Elhani Jean‐Luc Dupouey B. Fernandez-Lema Bernhard Zeller Claude Bréchet

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Citations (0)

Using Path Analysis to evaluate Breeding Progress in Grain Yield and Related Characters of Durum Wheat in Morocco

International journal of innovation and applied studies (2014)

Yahia Rharrabti S. Elhani

This study evaluates yield formation and breeding efforts in durum wheat grown in Morocco by the mean of path coefficient techniques based on plant ontogeny. A field experiment was conducted during 2008-2009 growing season with six Moroccan durum wheat varieties released between 1984 and 2007. Results obtained showed an increased grain yield from old to moderns varieties that was mainly due to longer vegetative period and heavy grains. Path coefficient analysis elucidates the correlation studies, and showed that grain yield was dependent on their three main components from old to modern varieties. Absolute and relative genetic gains in grain yield was 23 kg ha

Path coefficient

Growing season

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Citations (7)

Using Delta15N in tree rings for long-term monitoring of nitrogen cycles changes : preliminary results

HAL (Le Centre pour la Communication Scientifique Directe) (2007)

Stéphane Ponton S. Elhani Jean-Marc J.-M. Guehl Jean-Luc Dupouey

Tree (set theory)

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Citations (0)

Edaphic control of site-related variations in tree-ring nitrogen isotopes in French beech forests

EGU General Assembly Conference Abstracts (2009)

Stéphane Ponton Jean‐Luc Dupouey Anny Weitner S. Elhani

Edaphic

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Citations (0)

Protein and Lysine Content, Grain Yield, and Other Technological Traits in Durum Wheat under Mediterranean Conditions

Journal of Agricultural and Food Chemistry (2001)

Yahia Rharrabti S. Elhani Vanessa Martos-Núñez L. F. García del Moral

A major problem for durum wheat production in the Mediterranean region is yield fluctuation. This fluctuation is a result of year-to-year variation in precipitation and heat stress during grain growth, which is typical of the Mediterranean climate. Both yield stability and good quality are needed in adapted durum wheat ideotypes. Ten durum wheat cultivars differing in drought resistance were grown during 1998, under both rainfed and irrigated conditions, at three sites in southern Spain. The main traits studied were protein and lysine content, grain yield, test weight, SDS sedimentation, semolina color, and grain vitreousness. Results show a high influence of site on all traits. Only test weight (TW), SDS sedimentation, grain vitreousness, and protein per kernel appeared to be determined also by cultivar effect. Vitreousness was positively correlated with TW (r = 0.48**) and semolina color (r = 0.46**). An inverse relationship was found between grain yield and protein content. Regression of cultivar mean values of protein content and grain yield showed a negative correlation (r = −0.72***), probably due to dilution of protein by non-nitrogen compounds and reduced starch accumulation in the grain under drought conditions. Lysine content was negatively associated with protein content (r = −0.86***), indicating the difficulty of a simultaneous breeding for both characteristics. Keywords: Protein content; lysine content; grain yield; quality; durum wheat

Wheat grain

10.1021/jf001139w

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Citations (52)