Korean Journal of Breeding Science (한국육종학회지)

The Korean Society of Breeding Science (한국육종학회)
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'Hyowon6', a Mid-Late Maturing Rice Variety with High Quality

고품질 중만생 벼 품종 '효원6호'

  • Im, Da-Eun (Department of Plant Bioscience, Pusan National University) ;
  • San, Mar Lar (Department of Plant Bioscience, Pusan National University) ;
  • Jang, Seong-Gyu (Department of Plant Bioscience, Pusan National University) ;
  • Park, So-Yeon (Department of Plant Bioscience, Pusan National University) ;
  • Jin, Sang-Hyeon (Department of Plant Bioscience, Pusan National University) ;
  • Kim, Yong Chul (Department of Plant Bioscience, Pusan National University) ;
  • Ham, Tae-Ho (Institution of Life and Environment, Konkuk University) ;
  • Kwon, Soon-Wook (Department of Plant Bioscience, Pusan National University)
  • 임다은 (부산대학교 식물생명과학과) ;
  • 산마라 (부산대학교 식물생명과학과) ;
  • 장성규 (부산대학교 식물생명과학과) ;
  • 박소연 (부산대학교 식물생명과학과) ;
  • 진상현 (부산대학교 식물생명과학과) ;
  • 김용철 (부산대학교 식물생명과학과) ;
  • 함태호 (건국대학교 생명환경연구소) ;
  • 권순욱 (부산대학교 식물생명과학과)
  • Received : 2018.11.09
  • Accepted : 2018.11.12
  • Published : 2018.12.01
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Abstract

Hyowon6, a mid-late maturing, good eating quality rice variety with multi-resistance, was developed by the rice breeding team of Pusan National University in 2013. This variety was derived from a cross between Hwayeong (as a multi-resistant parent) and Koshihikari (as a good eating quality parent). Selection by the pedigree breeding method was carried out until the $F_8$ generation. A promising line, JS14-12-36-8-5-3-1-1-1, was developed and designated as HY103 in 2013. This variety headed on August 22, which was 11 days later than that of Hwayeong. The culm length and panicle length of Hyowon6 was 85.7 cm and 21.1 cm, respectively. The number of panicles per hill was 14.5 and the number of grains per panicle was 101.7. The ratio of ripened grain was approximately 92% and the 1,000-grain weight was approximately 21.36 g for brown rice, which were similar to those of Hwayeong. Hyowon6 was moderately resistant to lodging and also to neck blast, leaf blight, and stripe virus. The glossiness value of Hyowon6 was 83, which was considerably higher than that of Hwayeong.

'효원6호'는 밥맛이 우수하고 복합저항성을 보이는 품종을 육성하고자 식감이 우수하고 밥을 지었을 때 윤기가 도는 양식미인 'Koshihikari'와 복합저항성을 보이는 '화영벼'를 인공교배하고, 2006년부터 2011년까지 계통육성을 하면서, 종자 및 쌀의 외관 특성이 우수하고, 임성, 초형이 양호하며, 포장 병 저항성이 우수한 계통을 선발하여 생산력 검정을 수행한 결과 우수성이 인정되어 품종으로 출원 및 등록되었다. '효원6호'는 중부평야지에서 8월 22일경에 출수하는 중만생종으로 화영벼에 비해 11일 정도 늦다. 간장과 이삭길이는 각각 85.7 cm, 21.1 cm로 화영벼보다 길었으며, 포기당 이삭수도 14.5개로 화영벼보다 많았다. '효원6호'는 성숙기 엽노화가 보통수준이며 중 정도의 내도복성을 보였으며, 강 수준의 내냉성을 보였다. 목도열병과 흰잎마름병 및 줄무늬 잎마름병에 대해 중 정도의 저항성을 나타내었으나 멸구에 대한 저항성은 없었다. '효원6호'의 현미 천립중은 21.36 g이며, 장폭비가 1.69인 단원형이다. 현미 아밀로스 함량과 단백질 함량은 17.7%와 6.7%로 화영벼보다 낮고, 밥의 윤기치는 83으로 화영벼에 비해 월등히 높은 것으로 나타났다.

Keywords

Acknowledgement

Supported by : 부산대학교

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