TITLE	Effect of exogenous indole butyric acid on root formation and peroxidase and indole-3-acetic acid oxidase activities and phenolic contents in date Palm offshoots
AUTHOR	Ahmed Qaddoury Laboratoire de Biotechnologie et Physiologie Vegetales, Universite Cadi Ayyad, Faculte des Sciences et Techniques - Gueliz, B.P. 549, Marrakech, 40 000 Morocco Mohamed Amssa Laboratoire de Biotechnologie et Physiologie Vegetales, Universite Mly Ismail, Faculte des Sciences, Meknes, Morocco
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ABSTRACT	Exogenous indole butyric acid had a significant positive effect on the rooting response of date Palm (Phoenix dactylifera L.) offshoots. IBA-treated offshoots rooted earlier and with a much higher frequency while untreated offshoots rooted poorly, later, and tended to produce fewer roots. The effect of exogenous application of auxin was also reflected in the metabolic changes in offshoots during the rooting process. Pox activity showed a minimum on the sixth day and a maximum on the twelfth day after the root-inducing treatment. Changes of IAA oxidase activity showed a parallel time curve while phenolic contents and auxin protector levels showed an inverse trend. These parameters changed slightly one week later in the untreated offshoots.
KEYWORD	IAA oxidase; IBA; Offshoots; Phoenix dactylifera; Phenolic compounds; Peroxidase; Rooting;
ARTICLE INFO	Botanical Bulletin of Academia Sinica, Volume 45 Number 2 April 2004, page 127-131, 5 pages
PUBLISHER	Institute of Plant and Microbial Biology, Academia Sinica, Taipei, Taiwan, Republic of China