Rooting Oak Cuttings from Gibberellin-treated Stock Plants

in HortScience
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  • 1 Department of Horticulture, Faculty of Agriculture, The Hebrew University of Jerusalem, P.O. Box 12, Rehovot 76100, Israel
  • | 2 Department of Natural Resources, Institute of Field and Garden Crops, The Volcani Center, P.O. Box 6, Bet Dagan 50250, Israel

Rooting of Quercus ithaburensis Deche. cuttings decreased significantly with increasing stock plant age. Gibberellin (GA3) applied as bark treatment on leafless pruned stems of 3-year-old stock plants improved rooting percentage 6- to 7-fold. GA3 application also enhanced bud release and particularly shoot growth, thus increasing the number of cuttings per stock plant.

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