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http://dx.doi.org/10.7783/KJMCS.2012.20.5.353

Effects of Cutting Date, Shading Ratio and Growth Regulator on Rooting of Acanthopanax divaricatus var. albeofructus and Acanthopanax koreanum Nakai  

Lee, Jung-Jong (Yeongcheon Agricultural Technology & Extension Center)
Lee, Sang-Hyun (Department of Applied Plant Science, Chung-Ang University)
Seo, Pil-Dae (School of Applied Biosciences, Kyungpook National University)
Park, Chun-Geun (Department of Herbal Crop Research, NIHHS, RDA)
Lee, Sang-Chul (School of Applied Biosciences, Kyungpook National University)
Publication Information
Korean Journal of Medicinal Crop Science / v.20, no.5, 2012 , pp. 353-358 More about this Journal
Abstract
This study was conducted to enhance the propagation of Acanthopanax divaricatus and Acanthopanax koreanum through different cutting practices. For propagation by cuttings, scions were taken on September 1. This already has hard skin and showed much higher values in terms of root length, root number, rooting ratio and root weight than those taken on June 30 and August 1. Regardless of cutting date, 50% shading resulted to the highest root length, root number, root ratio and root weight. Meanwhile, 95% shading significantly reduced these parameters compared with no shading. These results suggest that over-shading may inhibit root growth. Two growth regulators, IBA (concentration of 1,000, 2,000, 3,000 ppm) and Rootone-F (0.4%) were also tested of its effect to the cuttings. Rootone-F was found to be more effective than IBA. Cutting treated with Rootone-F had slightly higher root length and root number. A. koreanum which grows well in hot climatic condition showed better rooting ability than A. divaricatus.
Keywords
Acanthopanax divaricatus; Acanthopanax koreanum; Cutting Date; Shading; Growth Regulator;
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