Korean Journal of Plant Resources (한국자원식물학회지)

The Plant Resources Society of Korea (한국자원식물학회)
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Development of 'Soomany' for New Cultivar of Gomchwi with Disease Resistant and High Yield

내병 다수성 곰취 신품종 '수마니' 육성

  • 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)
  • 서종택 (국립식량과학원 고령지농업연구소) ;
  • 유동림 (국립식량과학원 고령지농업연구소) ;
  • 김기덕 (국립식량과학원 고령지농업연구소) ;
  • 이종남 (국립식량과학원 고령지농업연구소) ;
  • 손황배 (국립식량과학원 고령지농업연구소) ;
  • 남정환 (국립식량과학원 고령지농업연구소) ;
  • 김수정 (국립식량과학원 고령지농업연구소) ;
  • 홍수영 (국립식량과학원 고령지농업연구소) ;
  • 김율호 (국립식량과학원 고령지농업연구소)
  • Received : 2020.02.10
  • Accepted : 2020.03.09
  • Published : 2020.04.01
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Abstract

A new Gomchwi cultivar 'Soomany' was derived from a cross between Gomchwi (Ligularia fischeri (Ledeb.) Turcz.) and Handaeri-gomchwi (Ligularia fischeri var. spiciformis Nakai). The investigation and selection of growth and yield characteristics were conducted from 2007 to 2015 in field and greenhouse of Highland Agriculture Research Institute, National Institute of Crop Science, Rural Development Administration, in Korea. On a newly developed cultivar 'Soomany', color of petiole ear is light green, petiole trichome is existent, trichome and light on the back of the leaves don't exist, and density of leaf vein is degree 4. Plant height, leaf length, leaf width and petiole length are 77.1, 22.3, 21.5 and 57.2 cm, respectively in the growth characteristics of the 2nd year. Plant size was also higher than that of 'Sammany' generally. Bolting date was on August 15. Flowering date was on September 19, about 9 days later than 'Sammany'. 'Soomany' and 'Sammany' had 149 and 133 leaves per plant, respectively. Total yield of 'Soomany' (1,623 g/plant) made a very good comparison with that of 'Sammany' (1,385 g/plant). 'Soomany' showed harder leaves (25.8 ㎏/㎠) than 'Sammany' (20.8 ㎏/㎠), whereas 'Soomany' had thinner leaves (0.53 mm) than 'Sammany' (0.62 mm). 'Soomany' variety has shown strong resistance to powdery mildew disease compared to 'Sammany'. In May 2019, the right of variety protection of 'Soomany' was registered as a new Gomchwi variety (Register No. 192).

'수마니(Soomany)' 품종은 일반 곰취를 모본으로 하고 한대리곰취를 부본으로 해서 교배 육종을 하였다. 2007년부터 2015년까지 국립식량과학원 고령지농업연구소 온실 및 노지에서 생육 및 수량 특성을 조사와 선발을 수행하였다. 신품종 '수마니'에 있어서 엽병귀 색은 연녹색이고 엽병에 털이 있다. 그리고 잎뒷면에 털이 없어 광택도 없다. 엽맥 밀도는 4등급으로 아주 조밀한 편이다. '수마니' 품종의 2년차 생육 특성은 초장이 77.1 cm, 엽장 22.3 cm, 엽폭 21.5 cm, 엽병장은 57.2 cm 였다. 식물체 크기는 '쌈마니' 품종보다 전체적으로 큰 것으로 나타났다. 추대기는 8월 25일이었고, 개화기는 9월 19일로 '쌈마니' 품종보다 9일 정도 늦게 꽃이 피었다. 엽수는 주당149매로 '쌈마니' 품종 133매 보다 16매나 많았다. 그리고 주당 수량도 1,623 g으로 '쌈마니' 품종 1,385 g보다 17%정도 더 많았다. 잎의 경도는 25.8 kg/㎠, 잎의 두께는 0.53 mm로 '쌈마니' 품종보다 경도는 약간 강하고 잎은 얇게 나타났다. 그리고 '수마니' 품종은 흰가루병에 대해서 강한 저항성을 나타내었고 품종보호권은 2019년 5월에 품종보호 제192호로 등록되었다.

Keywords

References

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