Korean Journal of Plant Resources (한국자원식물학회지)

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

내병 다수성 곰취 신품종 '그린베어' 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 : 2021.05.24
  • Accepted : 2021.07.01
  • Published : 2021.08.01
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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 (0.66mm) 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.

'그린베어(Greenbear)' 품종은 곰취를 모본으로 하고 한대리 곰취를 부본으로 해서 교배 육종을 하였다. 2007년부터 2016년까지 국립식량과학원 고령지농업연구소 하우스 및 노지에서 생육 및 수량 특성을 조사하고 선발을 수행하였다. '그린베어' 품종에 있어서 엽병귀 색은 자주색이고 엽병에 털이 없다. 그리고 잎 뒷면에 털이 없어 광택이 있다. 엽맥 밀도는 2등급으로 아주 넓은 편이다. 생육 특성은 초장이 67.3 cm, 엽장 16.3 cm, 엽폭 20.4 cm, 엽병장은 39.1 cm 였다. 식물체 크기는 '곰마니' 품종보다 전체적으로 작은 것으로 나타났다. 추대기는 8월 7일이었고, 개화기는 9월 6일로 '곰마니' 품종과 유사하였다. 엽수는 주당 176매로 '곰마니' 품종 139매 보다 37매나 많았다. 그리고 주당 수량도 1,936 g으로 '곰마니' 품종 1,575 g보다 23%정도 더 많았다. 잎의 경도는 25.1 kg/cm2, 잎의 두께는 0.66 mm로 '곰마니' 품종과 유사한 것으로 나타났다. '그린베어' 품종의 흰가루병 저항성은 '곰마니' 품종보다는 약간 낮지만 어느정도 높은 저항성을 보였다.

Keywords

Acknowledgement

본 논문은 농촌진흥청 연구사업(세부과제번호 PJ00868901) 의 지원에 의해 이루어진 것임.

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