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Articles by M. Mefti
Total Records ( 2 ) for M. Mefti
  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. Chebouti , A. Bekki , M. Mefti and N. Meziani
  M. minima (L.) Bart. is a pasture legume native to the Mediterranean Basin and is present throughout the Algerian territory. The work reported in this study was conducted in the aim to evaluate the diversity of pheno-morphological and agronomic traits in some local populations of Medicago minima coming from a 2004 survey conducted by INRA Algeria throughout the Djelfa area. Two field experiments were conducted during two cropping seasons 2009/2010 and 2010/2011 at the experimental farm of the Research Center of Plant Science of Baraki (INRAA). Analysis of variance and Principal Components Analysis (PCA) were performed on the complete set of the data. The results obtained show high genetic differentiation among populations of M. minima for all of the recorded traits. Population from Oued Touil region was the earliest and has presented the best vegetative development in winter and in spring. On the other hand, population from Charef presented the best pod and grain yields. The PCA based on morphological and agronomic data clearly discriminated the M. minima populations. For morphological characterization, the two principal components (PC1 and PC2) explained 84.85% of the total variation and for agronomic evaluation, they describe 79.79%. The large variability observed in all traits studied gives the opportunity to select a suitable plant material to exploit to regenerate degraded rangeland and crop-livestock farming systems in Algeria.
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