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Interaction lumière-température et influence de la photopériode sur le taux de croissance de Chlorella sorokiniana Shih. et Kraus

Published online by Cambridge University Press:  01 February 2009

M. Belkoura
Affiliation:
Laboratoire du Physiologie végétale, Faculté des Sciences Semlalia, Avenue du Prince Moulay Abdellah, B.P. S 15, Marrakech, Maroc
A. Dauta
Affiliation:
Laboratoire d'Hydrobiologie, URA 695 CNRS, Université Paul Sabatier, 118, route de Narbonne, 31062 Toulouse Cedex, France
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Abstract

L'interaction de la lumière et de la température ainsi que l'effet de la photopériode sur la croissance de Chlorella sorokiniana sont étudiés en milieu fini et en conditions nutritives non limitantes. Le taux maximal de croissance (2,7 j-1) est enregistrée à la température de 35°C, sous une intensité de 300 µE.m-2.s-1 et en éclairement continu. L'ensemble des données est repris sous la forme d'un modèle mathématique qui permet d'estimer le taux de croissance de la culture en fonction des conditions environnementales.

Type
Research Article
Copyright
© Gauthier-Villars, 1992

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Interaction lumière-température et influence de la photopériode sur le taux de croissance de Chlorella sorokiniana Shih. et Kraus
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