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2018 Vol.31, Issue 6 Preview Page

Research Article

Development of ‘Sammany’, a New Variety of Gomchwi with Powdery Mildew Resistance and High Yield
Jong Taek Suh1*
,
Dong Lim Yoo2
,
Ki Deog Kim2
,
Jong Nam Lee2
,
Mi Soon Hong2
1Senior Researcher, Highland Agriculture Research Institute, National Institute of Crop Science
2Researcher, Highland Agriculture Research Institute, National Institute of Crop Science
*Corresponding Author
31 December 2018. pp. 714-718
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Abstract

A new Gomchwi cultivar ‘Sammany’ was developed by a cross between Gomchwi (Ligularia fischeri (Ledeb.) Turcz.) and Handaeri-gomchwi (Ligularia fischeri var. spiciformis Nakai). Gomchwi is a common Korean name referring wild edible plant species within Ligularia genus. ‘Sammany’ has purple colored petiole ears and petiole trichome is absent. It has 2nd degree leaf vein density. Plant height, leaf length, leaf width and petiole length were 46.2, 19.1, 19.5 and 32.1 ㎝, respectively. Plant height was higher than ‘Gondalbi’. Bolting occurred in mid. July and it flowered from late August to early September. ‘Gondalbi’ bolted and flowered 26 days earlier than ‘Sammany’, and consequently has earlier flowering time more than 26 day. Leaf number of ‘Sammany’ was 156 per plant but ‘Gondalbi’ had 130. ‘Sammany’ had thicker leaves (0.61 ㎜) compared to ‘Gondalbi’ (0.46 ㎜). As a result, yield was higher in ‘Sammany (1,077 g/plant)’ than ‘Gondalbi (798 g/plant)’ and leaf hardness was lower in ‘Sammany (20.8 ㎏/㎠)’ compared to ‘Gondalbi (23.0 ㎏/㎠)’. In addition, ‘Sammany’ was found to be moderately resistant to powdery mildew. With enhanced agronomic and pathology traits, ‘Sammany’ was newly registered as a new Gomchwi cultivar (variety protection no. 131 on May 2017).

Keywords
Crossing
Flowering time
Leaf petiole
Plant height
Powdery mildew disease
Selection
References
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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 : 31
  • No :6
  • Pages :714-718
  • Received Date : 2018-04-12
  • Revised Date : 2018-06-29
  • Accepted Date : 2018-09-18
  • DOI :https://doi.org/10.7732/kjpr.2018.31.6.714
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