Korean Journal of Breeding Science (한국육종학회지)

The Korean Society of Breeding Science (한국육종학회)
권호 표지

A New Mid-late Maturing Rice Variety, 'Honong' with High-Quality and Multiple Disease Resistance

중만생 고품질 복합내병성 벼 신품종 '호농'

  • Kim, Ki-Young (Department of Rice and Winter Cereal Crop, NICS, RDA) ;
  • Shin, Mun-Sik (Department of Rice and Winter Cereal Crop, NICS, RDA) ;
  • Ko, Jae-Kwon (Department of Rice and Winter Cereal Crop, NICS, RDA) ;
  • Nam, Jeong-Kwon (Department of Rice and Winter Cereal Crop, NICS, RDA) ;
  • Ha, Ki-Yong (Department of Rice and Winter Cereal Crop, NICS, RDA) ;
  • Baek, Man-Gee (Department of Rice and Winter Cereal Crop, NICS, RDA) ;
  • Ko, Jong-Cheol (Department of Rice and Winter Cereal Crop, NICS, RDA) ;
  • Kim, Bo-Kyeong (Department of Rice and Winter Cereal Crop, NICS, RDA) ;
  • Park, Hyun-Su (Department of Rice and Winter Cereal Crop, NICS, RDA) ;
  • Shin, Woon-Chul (Department of Rice and Winter Cereal Crop, NICS, RDA) ;
  • Kang, Hyun-Jung (Department of Rice and Winter Cereal Crop, NICS, RDA) ;
  • Choung, Jin-Il (Department of Rice and Winter Cereal Crop, NICS, RDA) ;
  • Kim, Woo-Jae (Department of Rice and Winter Cereal Crop, NICS, RDA) ;
  • Mo, Young-Jun (Department of Rice and Winter Cereal Crop, NICS, RDA) ;
  • Kim, Jung-Gon (Department of Rice and Winter Cereal Crop, NICS, RDA)
  • 김기영 (국립식량과학원 벼맥류부) ;
  • 신문식 (국립식량과학원 벼맥류부) ;
  • 고재권 (국립식량과학원 벼맥류부) ;
  • 남정권 (국립식량과학원 벼맥류부) ;
  • 하기용 (국립식량과학원 벼맥류부) ;
  • 백만기 (국립식량과학원 벼맥류부) ;
  • 고종철 (국립식량과학원 벼맥류부) ;
  • 김보경 (국립식량과학원 벼맥류부) ;
  • 박현수 (국립식량과학원 벼맥류부) ;
  • 신운철 (국립식량과학원 벼맥류부) ;
  • 강현중 (국립식량과학원 벼맥류부) ;
  • 정진일 (국립식량과학원 벼맥류부) ;
  • 김우재 (국립식량과학원 벼맥류부) ;
  • 모영준 (국립식량과학원 벼맥류부) ;
  • 김정곤 (국립식량과학원 벼맥류부)
  • Received : 2010.04.27
  • Published : 2010.06.30
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Abstract

'Honong' is a new japonica rice variety developed and registered by the rice breeding team of Department of Rice and Winter Cereal Crop, NICS, RDA in 2009. This variety was derived from mutagen MNU (N-methyl-N-nitrosourea) treatment on fertilized egg cells of Unbong31. This variety has about 126 days growth duration from transplanting to harvesting in west-southern coast, Honam and Youngnam plain of Korea. It has 79 cm in culm length and is tolerant to lodging. In reaction to biotic and abiotic stresses, it show resistance to blast, bacterial blight pathogen races from $K_1$ to $K_3$ and stripe virus, but susceptible to other major diseases and insect pests. The milled rice of 'Honong' exhibits translucent, relatively clear non-glutinous endosperm and medium short grain. It has higher amylose content (20.3%) and lower protein content (6.3%), and good palatability of cooked rice compared with Nampyeong. The milled rice yield performance of this variety is about 5.44MT/ha in local adaptability test for three years. 'Honong' would be adaptable to west-southern coast, Honam and Youngnam plain of Korea.

'호농'은 국립식량과학원 벼맥류부에서 운봉31호의 개화시에 MNU를 수정란(미숙배)에 처리한 후대에서 선발하여 2009년도에 품종보호권을 출원한 품종이다. 1. 남서해안지, 호남 및 영남평야지 보통기 보비재배에서 평균 출수기가 8월 19일로 '남평벼'보다 2일 늦은 중만생종이다. 2. 간장은 79 cm로 '남평벼'와 비슷하며, 수당립수는 적고 등숙비율이 다소 높은 중립종이다. 3. 위조현상은 나타나지 않았으며 성숙기 하엽노화가 늦고 수발아는 남평벼보다 잘 되는 편이다. 내냉성은 보통이다. 4. '호농'은 도열병, 벼흰잎마름병(K1-K3), 줄무늬잎마름병에 저항성 반응을 보였다. 5. 입형은 현미장폭비가 1.86으로 단원형이며 심복백은 거의 없고 남평벼 수준으로 맑고 투명하다. 아밀로오스 함량은 남평벼에 비해 높고 단백질함량은 낮은 편이며 밥맛은 매우 양호하다. 6. 쌀수량은 보통기 표준재배에서 5.44 MT/ha로 남평벼보다 4% 적은 편이다.

Keywords

References

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