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| Titel: |
Effets de la vitesse et de la durée du remplissage du grain ainsi que de l'accumulation des assimilats de la tige dans l'élaboration du rendement du blé dur (Triticum durum Desf.) dans les conditions de culture des hautesplaines orientales d'Algérie |
| Auteur: |
Bahlouli F. Bouzerzour H. Benmahammed A. |
| Verschenen in: |
Biotechnologie, agronomie, société et environnement |
| Paginering: | Jaargang 12 (2008) nr. 1 pagina's 31-39 |
| Jaar: |
2008 |
| Inhoud: |
Effects of speed and the duration of grain filling and the accumulation of the assimilates of the stem in developing the durum wheat yield (Triticum durum Desf.) in the culture conditions of the high plains of eastern Algeria. The present study was led on the experimental site of station ITGC in Setif. The objective is to determine the differences of duration and speed of filling and the contribution of the assimilates of the stems to the yield of 5 durum wheat genotypes (Triticum durum Desf.). The year effect is significant, what explains the fluctuation of the conditions of one growth year to another. The grain yield is associated to the great quantity of assimilates stored and transferred from the stems to the grain filling. The Mbb genotype which has an important stem height transfers more assimilates. The genotypes ADS497 and Deraa present large standard leaves. The beginning of the active phase of the grain filling corresponds to the beginning of the foliar senescence. Mbb presents a slower foliar drying rate, the speed of drying stationary recorded by ADS497 is of -0.5957 cm2 per day. The speed of grain filling is negatively related to the duration of filling. The participation of the assimilates coming from the stem decreases when the environment allows the expression of a better grain yield. |
| Uitgever: |
University of Gembloux |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 2 van 10 gevonden artikelen
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