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Only Bousselam, Setifis and Massara ; while inMansoura and Moustakbel expressed above average grain yield under both were low yielding and Waha and Cyprus2 were high growth conditions of early and late seeding Figures yielding varieties data not shown.
Some criteria are interesting for the selection of appropriate ecotypes in semi arid regions including the earliness to flowering and the number of grains per pod to seti the decline in fertility among late ecotypes.
Correlation coefficients of biological yield, plant height, spike number, kernels per spike, harvest index and days to heading with grain yield were significant. The results obtained show large diversity among phenological ecotypes of Vicia narbonensis L.
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Despite the diversity of legume species available in Algeria, very few have been used specifically as a food source for livestock. This relationship shows that the altitude area or the low temperatures are frequent, that late ecotypes in flowering reduce their fertility and therefore reduce grain yield.
Yield variability between years and sowing than the main effect of the genotype and dates interactions. These findings provide prima board to the possibility of direct selection on grain yield for late ecotypes to produce a food rich in nitrogen and seed.
Furthermore, by avoiding monoculture, these species facilitate the control of root diseases and nematodes in cereals Masson and Gintzburger, ; Bahhady et al.
Indeed, the speculative nature of the meat market Bahhady et al. Zero till gave the best performance in plant growth and spark number per area unit. Narbon bean Vicia narbonensis L.
The use of photothermal quotient and frost risk Research. Concerning forage and grain production, the statistical analysis showed highly significant differences between ecotypes.
The lack of fodder and pastoral agriculture leads to a disproportionate use of concentrated feed causing an imbalance in the supply of livestock Cocks et al. Refoufi, ; Basford and Cooper, ; Anwar et Targeting high performing and stable genotypes al.
We are happy to inform that Nature Impact Factor: Agriculture, peche, alimentation et developpement rural durable dans la region mediterraneenne. Sehif between flowering and agronomic estif among 15 ecotypes of the species Vicia narbonensis L.: Tolerance au gel apres acclimatation au froid chez le pois: Indeed, the great phenological variability found among 15 ecotypes of the studied Vicia narbonenis L.
Cultivation techniques, technical conventional-till, minimum tillage, wheat, soil, weeds.
Yield stability of selected forage vetches Vicia spp. The study of Ridge and Pye on pea cultivation in the Mediterranean climate of Australia have shown that yield reduction is due to extreme negative temperatures at the flowering stage. These low-wind directions can be supported by the results obtained by Angelo who argue that the species Vicia narbonenis L. High proportion of the barley cultivars grown in the Algerian high plateaus.
Search in Google Scholar. Thus, there is a continuous variation of annual rainfall levels has been observed especially during the spring which is a key period for cereal and forage cultivation Bahlouli et al.
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Path analysis emphasized the direct and indirect effects of biomass yield, spike number and harvest index on grain yield, suggesting that F3-selection based on one or simultaneously on all these traits would result in significant direct and correlated responses.
The analysis-comparing test of the three cropping systems: Wealth in total nitrogen of the seed can also be used as a component of feed concentrate. Each elementary plot consisted of 4 rows of 4 m long, 30 cm apart. Accumulated rainfall total is clearly important in compared to Effect of sowing date was more discriminating between genotypes than and rate, and site environment on the performance of late seeding environment.
The monthly temperature ranges are higher during the first growing season. Parameters measured and statistical processing: Half of the elementary plot was used to assess the potential forage production and a set of agronomic traits ; the other half was used to measure grain yield and to assess the quality of seeds produced. For this purpose, species of forage legumes are well-known sdtif their potential to produce more food on land left fallow Ifgc et al.
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The various phenological stages of the plant, the fodder and grains yields and several characters relating to the quality of seeds were measured. Relative yield the treatment sum square TSS for early setiv late reduction, measured under late planting, was 8. Biplot of grain yield measured 0. The partitioning of these Environment E 5