Étude de la germination et de l’effet du substrat sur la croissance de jeunes semis de I L. Germination study and substrate effect on the growth of young seedlings of Pistacia vera L.
DOI:
https://doi.org/10.24310/abm.v35i0.2865Abstract
Français. Des études sur la germination et la croissance de jeunes semis de Pistacia vera L ont été conduites au laboratoire et en serre. Elles ont consisté en des tests de germination et, au suivi de la croissance des plantules sur différents substrats. Les résultats obtenus ont révélé que les meilleurs taux de germination ont été enregistrés avec le lot des graines sans téguments. De plus, le semis direct dans le sable a amélioré les résultats mais la vitesse de germination se trouve ralentie. D’un autre coté, un effet marqué de la nature du substrat sur la croissance en hauteur et en diamètre des tiges ainsi que la longueur du système racinaire a été constaté. Les meilleurs résultats ont été enregistrés avec le substrat – sable et le mélange sable/tourbe.
English. A study was carried out to determine the germination rate, the average time of germination and latent period of Pistacia vera L. seeds and the effect of tegument on germination. Additionally, the effect of different substrates on growth of young seedlings was also study. The results obtained revealed that the best germination rates were recorded with the seeds without teguments. Moreover, the direct sowing of the seeds in sand improved the germination percentage but the speed of germination was slowed down. Substrate nature seemed to have an effect on the seedlings height and stem diameter as well as the length of the main root. Higher values were obtained with sand-substrate and sand/peat.
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