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Pakistan Journal of Biological Sciences

Year: 2003 | Volume: 6 | Issue: 24 | Page No.: 2040-2043
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Authors

Al-Absi Khalid Mousa

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Research Article

Rooting Response of ‘Nabali’ and ‘Improved Nabali’ Olive Cuttings to Indole Butyric Acid Concentration and Collection Season

Al-Absi Khalid Mousa
An experiment was carried out to study the influence of five concentrations of Indole butyric acid (IBA) i.e., 0, 2000, 4000, 6000 and 8000 ppm and two dates of collecting cuttings (December, 2000 and April, 2001) on rooting percentage and average number of roots for two local olive cultivars (Nabali and Improved Nabali). It was obvious that the rooting ability of olive is influenced by the interactive effect of cultivar, time of taking cuttings and IBA concentration rather than by the single effect of either. A Considerable difference in rooting ability was found between the genotypes studied. ‘Improved Nabali’ rooted more readily and gave higher rooting percentage and root number. The results indicated that the best time for taking cuttings was December. IBA at 6000 ppm gave the highest rooting percentages for both cultivars.
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