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2021 Vol.34, Issue 4 Preview Page

Research Article

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

내병 다수성 곰취 신품종 ‘그린베어’ 육성

Jong Taek Suh1*
,
Dong Lim Yoo2
,
Ki Deog Kim2
,
Jong Nam Lee1
,
Hwang Bae Sohn2
,
Jeong Hwoan Nam2
,
Su Jeong Kim2
,
Su Young Hong1
,
Yul Ho Kim1
서 종택1*
,
유 동림2
,
김 기덕2
,
이 종남1
,
손 황배2
,
남 정환2
,
김 수정2
,
홍 수영1
,
김 율호1
1Senior Researcher, Highland Agricultural Research Institute, National Institute of Crop Science, RDA, Pyeongchang 25342, Korea
2Researcher, Highland Agricultural Research Institute, National Institute of Crop Science, RDA, Pyeongchang 25342, Korea
1국립식량과학원 고령지농업연구소 연구관
2국립식량과학원 고령지농업연구소 연구사
*Corresponding Author
1 August 2021. pp. 339-345
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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 (0.66㎜) compared to ‘Gommany (0.69 ㎜)’, and hardness appeared slightly higher in ‘Greenbear(25.1 ㎏/㎠)’. 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
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Information
  • Publisher :The Plant Resources Society of Korea
  • Publisher(Ko) :한국자원식물학회
  • Journal Title :Korean Journal of Plant Resources
  • Journal Title(Ko) :한국자원식물학회지
  • Volume : 34
  • No :4
  • Pages :339-345
  • Received Date : 2021-05-24
  • Revised Date : 2021-07-01
  • Accepted Date : 2021-07-01
  • DOI :https://doi.org/10.7732/kjpr.2021.34.4.339
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