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http://dx.doi.org/10.7732/kjpr.2011.24.2.189

Effect of Topping Time on Growth and Quality in Glycyrrhiza uralensis  

Nam, Sang-Young (Chungbuk Agricultural Research and Extension Service)
Kim, In-Jae (Chungbuk Agricultural Research and Extension Service)
Choi, Seong-Yel (Chungbuk Agricultural Research and Extension Service)
Kim, Young-Ho (Chungbuk Agricultural Research and Extension Service)
Song, In-Gyu (Chungbuk Agricultural Research and Extension Service)
Lee, Guang-Jae (Chungbuk Agricultural Research and Extension Service)
Park, Jae-Ho (Chungbuk Agricultural Research and Extension Service)
Kim, Tae-Jung (Chungbuk Agricultural Research and Extension Service)
Publication Information
Korean Journal of Plant Resources / v.24, no.2, 2011 , pp. 189-194 More about this Journal
Abstract
This study was performed to evaluate the effect of pinching time on growth and quality of Glycyrrhiza uralensis soil cultured in Chungbuk Agricultural Research and Extension Service from 2008 to 2009. The treated pinching time were given as the June 30, July 30, August 30, and non-pinching (control). The amounts of pinching were 20% of stem length each plant. The obtained results from this study were summarized as follows; The plant height and number of branches were higher in control than pinching treatments. The stem and leaf weight were increase with early pinching. The plant height and stem diameter were not affected by pinching time. There was no regular trends in runner growth. We found that pinching was induced root growth, and early pinching was accelerated root growth. The root yield was increased in JUN and JUL pinching treatments as 11-30% in 2 years plants and 6-11% in 3 years plants compared to control as 238 kg/10a and 432 kg/10a, respectively.
Keywords
Glycyrrhizin acid; Medicinal plant; Pinching; Rootlet; Runner;
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