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http://dx.doi.org/10.7732/kjpr.2017.30.4.475

Development of 'Damogy' Cultivar of Gomchwi with Disease Resistant, High Quality, and Yield  

Suh, Jong Taek (Highland Agriculture Research Institute, National Institute of Crop Science)
Yoo, Dong Lim (Highland Agriculture Research Institute, National Institute of Crop Science)
Kim, Ki Deog (Highland Agriculture Research Institute, National Institute of Crop Science)
Lee, Jong Nam (Highland Agriculture Research Institute, National Institute of Crop Science)
Kwon, Young Seok (Vegetable Research Division, National Institute of Horticultural & Herbal Science)
Kim, Won Bae (Vegetable Research Division, National Institute of Horticultural & Herbal Science)
Publication Information
Korean Journal of Plant Resources / v.30, no.4, 2017 , pp. 475-480 More about this Journal
Abstract
A new Gomchwi cultivar 'Damogy ' was bred by crossing between Gomchwi (Ligularia fischeri (Ledeb.) Turcz.) and Handaeri-gomchwi (Ligularia fischeri var. spiciformis Nakai). The selection and investigation of growth and yield characteristics were conducted from 2006 to 2011 in field and greenhouse of Highland Agriculture Research Institute, NICS, Rural Development Administration, Korea. On a newly developed cultivar 'Damogy', Color of petiole ear was purple, petiole trichome was exist, light of leaf back was not exist, and density of leaf vein was degree 4. Plant height, leaf length, leaf width and petiole length were 45.9, 16.9, 21.1 and 29.0 cm, respectively in the $3^{rd}$ year in growth characteristics. Plant size was also higher than that of Gondalbi. Bolting and flowering time were Aug. $23^{th}$ and Sept. $10^{th}$, respectively. In contrast, Gondalbi showed quite earlier bolting time more than 38 days compared with 'Damogy' and consequently earlier flowering time more than 26 day. 'Damogy' showed similar leaf number (129) per plant compared to 'Gondalbi' (130). Furthermore, yield was higher 'Damogy' (1,889 g/plant) than in 'Gondalbi' (798 g/plant). 'Damogy' showed higher leaf thickness (0.71 mm) than 'Gonalbi' (0.46 mm), and consequently showed more hardness in leaf characteristics ($28.3kg/cm^2$) compared with 'Gondalbi' ($23.0kg/cm^2$). 'Damogy' showed higher resistance in the susceptibility of powdery mildew disease compared to 'Gondalbi'. 'Damogy' variety was registered plant variety protection right as a No. 89 on December 2015.
Keywords
Crossing; Flowering time; Leaf petiole; Plant height; Powdery mildew disease; Selection;
Citations & Related Records
Times Cited By KSCI : 5  (Citation Analysis)
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