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Articles by H. Bouzerzour
Total Records ( 3 ) for H. Bouzerzour
  H. Chennafi , A. Aidaoui , H. Bouzerzour and A. Saci
  The Present study was conducted over a 13 year period to study grain yield and yield related traits responses to regulated deficit irrigation, applied throughout the crop cycle, at jointing and heading growth stages, compared to a rainfed check in durum wheat (Triticum durum Desf.). The results showed that the measured traits responded to applied water and the response was dependent on seasons, levels of regulated deficit irrigation and crop growth stage at which water was applied. Grain yield increase was correlated linearly to water use efficiency and curvi-linearly to total water evapotranspired. Water application at jointing gave a more variable and significantly low grain yield increase compared to grain yield increase observed when limited irrigation was applied at heading. Yield reductions from maximum yield obtained under rainfed conditions were positively correlated with the accumulated rainfall of the October-February period. In environment like the high plateaus of eastern Algeria where water resources are scare, the results of this experiment suggested that limited irrigation applied at heading stage increase effectively grain yield and reduces from the risk of crop failure.
  M. Mefti , H. Bouzerzour , A. Abdelguerfi and H. Nouar
  The objectives of the present study, conducted during the 2005-2007 cropping seasons, were to characterize variation for dry matter yield, forage maturity, LSR, LA, SLM, EG, RC, RWC, EL and WUE among sixteen perennial grass cultivars grown under drought conditions in the semi arid climate of the Algerian high plateaus. The results indicated that the tested genotypes varied widely for the measured characteristics. Dry matter performance was positively associated with early heading, high water use efficiency and plant stature. DMY performance appeared to be independent from leaf area, leaf to stem ratio, leaf specific mass, relative growth rate and etiolated growth. Best dry matter performing genotypes were Partenope, Fraydo and FletchaEF and were characterized by high WUE, earliness, above average RGR and below average LSR and EL, but varied for the others measured traits. These results were based on data obtained in the establishment and first production years, when little time has elapsed for the cumulative effects of stress to impact stand persistence.
  A. Adjabi , H. Bouzerzour and A. Benmahammed
  The results of the study of the genotype×environment interaction of durum wheat (Triticum durum Desf.) varieties tested during six consecutive cropping seasons (1997/98 to 2002/03), under semi-arid conditions, indicated the lack of reproducibility of the yield information because genotype rank changes from one year to another. During the six cropping seasons, except Beliouni, MBB and Semito which performed always poorly the remaining genotypes ranked among the top yielding at least once. The presence of genotypexyear interaction is suggested by the combined analysis of variance which indicated that the treatment sum of squares consisted of 42.41, 8.43 and 49.15% due, respectively to cropping season, genotype and interaction effects. The AMMI model was appropriate, explaining 84.0% of the interaction sum of squares. The results showed that the interactions lead to different rankings of the tested genotypes across the cropping seasons with a diversification between genotypes groups. Cyprus1, Deraa and Bousselem exhibited low nominal grain yield under low yielding conditions and were more responsive to good growth conditions; while Mrb5, Heider and Waha, on the contrary, showed a high nominal yield under low yielding conditions and exhibited a minimal responsiveness to improved environmental conditions. Heider combined low interaction and above average yield, making it suitable for cultivation in the semi-arid region of the Eastern high plateaus of Algeria.
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