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Etude Du Pouvoir Allélopathique de l'Orge

Etude Du Pouvoir Allélopathique de l'Orge

          
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About the Book

Ce travail est le fruit d'une collaboration entre le Laboratoire de Nutrition et Métabolisme Azoté de la Faculté des Sciences de Tunis, et le Laboratoire de Physiologie de la Production Végétale de l'Ecole Supérieure d'Agriculture du Kef. Ce travail a permit d'étudier l'effet de la variété et des variations saisonnières sur l'allélopathie exprimée sous forme d'auto-toxicité par l'orge durant 3 campagnes agricoles (99/00, 00/01, 01/02). Les résultats obtenus montrent une variabilité de l'auto-toxicité liée à la variété et aux conditions climatiques. L'originalité de ce travail est attestée par l'identification de trois acides phénoliques (p-hydroxybenzoique, syringique, p-coumarique) comme les substances allélochimiques à l'origine de l'allélopathie exprimée par l'orge. Un travail préliminaire réalisé au cours de la troisième campagne agricole a permit d'identifier une auto-toxicité différentielle exprimée par les sols-cultivés en orge. Les résultats se sont révélés insuffisants pour se prononcer sur le rôle joué par les phénol libérés dans le sol par la plante d'orge. L'éventualité de l'implication d'autres substances allélochimiques est à considérer.


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Product Details
  • ISBN-13: 9783838141572
  • Publisher: Academiques
  • Binding: Paperback
  • Language: French
  • Returnable: N
  • Spine Width: 9 mm
  • Width: 152 mm
  • ISBN-10: 3838141571
  • Publisher Date: 28 Feb 2018
  • Height: 229 mm
  • No of Pages: 152
  • Series Title: Omn.Pres.Franc.
  • Weight: 232 gr


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