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Effect of Application of Plant Growth Regulator on Growth Characteristics in Bupleurum falcatum L.  

Lee, Ho (Dept. of Agronomy, College of Agriculture & Life-Sciences, Kyungpook National University)
Kim, Kil-Ung (Dept. of Agronomy, College of Agriculture & Life-Sciences, Kyungpook National University)
Son, Tae-Kwon (Institute of Agricultural Science & Technology, Kyungpook National University)
Lee, Ji-Ean (Dept. of Agronomy, College of Agriculture & Life-Sciences, Kyungpook National University)
Lee, Sang-Chul (Dept. of Agronomy, College of Agriculture & Life-Sciences, Kyungpook National University)
Publication Information
Korean Journal of Medicinal Crop Science / v.10, no.5, 2002 , pp. 344-352 More about this Journal
Abstract
This study was conducted to determine the optimum planting dates and density of one year old Bupleurum falcatum L. to improve its quality. Furthermore, the effect of cultural methods and plant growth regulators$(GA_3,\;IAA,\;Kinetin)$ on the quality of B. falcatum were also investigated. In this study, Jeongseon cultivar collected in Korea and Mishima cultivar introduced from Japan were used. Some of the results obtained are as follows. Jeongseon cultivar showed less stem branches and shoot weight compared to Mishima. However, Jeongseon cultivar showed tall plant height, high root fresh and dry weight, and high levels of SSa and TSS, but low SSc content than that of Mishima. Although fresh and dried root weight of both cultivars were not affected by plant growth regulators treatment. compared with the untreated one, increasement of TSS content were made by $GA_3$ 100 ppm, IAA 50 ppm or 10 ppm and kinetin 10 ppm treatment in Jeongseon cultivar, and by $GA_3$ 10 ppm and IAA 100 ppm or 10ppm treatment in Mishima cultivar applied on June 1.
Keywords
Bupleurum falcatum L.; $GA_3$; IAA; Kinetin; Saikosaponin;
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