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http://dx.doi.org/10.7732/kjpr.2021.34.4.339

Breeding of 'Greenbear' for New Cultivar of Gomchwi with Disease Resistant and High Yield  

Suh, Jong Taek (Highland Agricultural Research Institute, National Institute of Crop Science, RDA)
Yoo, Dong Lim (Highland Agricultural Research Institute, National Institute of Crop Science, RDA)
Kim, Ki Deog (Highland Agricultural Research Institute, National Institute of Crop Science, RDA)
Lee, Jong Nam (Highland Agricultural Research Institute, National Institute of Crop Science, RDA)
Sohn, Hwang Bae (Highland Agricultural Research Institute, National Institute of Crop Science, RDA)
Nam, Jeong Hwoan (Highland Agricultural Research Institute, National Institute of Crop Science, RDA)
Kim, Su Jeong (Highland Agricultural Research Institute, National Institute of Crop Science, RDA)
Hong, Su Young (Highland Agricultural Research Institute, National Institute of Crop Science, RDA)
Kim, Yul Ho (Highland Agricultural Research Institute, National Institute of Crop Science, RDA)
Publication Information
Korean Journal of Plant Resources / v.34, no.4, 2021 , pp. 339-345 More about this Journal
Abstract
'Gondalbi' (Ligularia stenocephala (Maxim.) Matsum. & Koidz.) is the most cultivated Gomchwi species because of higher yield and low in aromatic flavor and bitter taste, But 'Gondalbi' is susceptible to powdery mildew disease and leaf shriveling after harvest in Summer. To improve powdery mildew disease resistance and post-harvest leaf shriveling problem in 'Gondalbi', 'Handeari-gomchwi' resistant to powdery mildew disease and having higher yield potential used as a paternal trait donor. Powdery mildew disease resistance and post-harvest leaf shriveling as well as agronomic performance of a new variety, 'Greenbear' were tested under field and green house conditions in Pyungchang, Korea from 2007 to 2016. Expression of both maternal and paternal characteristics in 'Greenbear' including purple colored petiole ears, glossy leaf and paternal, petiole trichome, absent at the back of a leaf were confirmed. Plant size and flowering time of 'Greenbear' were similar to check line, 'Gommany', while leaf number per plant and yield were higher in 'Greenbear'. 'Greenbear' has thinner leaves (0.66mm) compared to 'Gommany (0.69 mm)', and hardness appeared slightly higher in 'Greenbear(25.1 kg/cm2)'. The resistance to powdery mildew disease of the 'Greenbear' variety was slightly lower than that of the 'Gommany' variety, but somewhat showed high resistance.
Keywords
Crossing; Flowering time; Leaf petiole; Plant height; Powdery mildew disease; Selection;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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