Korean Journal of Breeding Science (한국육종학회지)

The Korean Society of Breeding Science (한국육종학회)
권호 표지

A New High Biomass Yield and Whole Crop Silage Rice Cultivar 'Nokyang'

벼 초다수 총체 사료용 신품종 '녹양'

  • 양창인 (농촌진흥청 국립식량과학원) ;
  • 김홍열 (농촌진흥청 국립식량과학원) ;
  • 이점호 (농촌진흥청 국립식량과학원) ;
  • 최용환 (농촌진흥청 국립식량과학원) ;
  • 이규성 (농촌진흥청 국립식량과학원) ;
  • 이상복 (농촌진흥청 국립식량과학원) ;
  • 최임수 (농촌진흥청 국립식량과학원) ;
  • 정오영 (농촌진흥청 국립식량과학원) ;
  • 황흥구 (농촌진흥청 국립식량과학원) ;
  • 신영섭 (농촌진흥청 국립식량과학원) ;
  • 김명기 (농촌진흥청 국립식량과학원) ;
  • 김연규 (농촌진흥청 국립식량과학원) ;
  • 전용희 (농촌진흥청 국립식량과학원) ;
  • 백진수 (농촌진흥청 국립식량과학원) ;
  • 양세준 (농촌진흥청 국립식량과학원) ;
  • 오명규 (농촌진흥청 국립식량과학원) ;
  • 이영태 (농촌진흥청 국립식량과학원)
  • Received : 2011.06.29
  • Accepted : 2011.11.18
  • Published : 2011.12.30
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Abstract

''Nokyang', a new high biomass yield and whole crop silage rice (Oriza sativa L.) cultivar, was developed by the rice breeding team of National Institute of Crop Science, RDA, Suwon, Korea, during the period from 1996 to 2006 and released in 2007. It was derived from a cross between Yongmoonbyeo/IR67396-16-3-3-1. This cultivar has about 130 days of growth duration from seeding to heading and is tolerance to lodging with erect pubescent leaves, semidwarf (culm length 78 cm) and thick culm. This cultivar has less tillers per hill and more spikelet numbers per panicle than Dasanbyeo. 'Nokyang' has wide and stay green leaf compared other Tongil-type varieties. This new variety is resistant to grain shattering and to some disease including bacterial leaf blight and stripe virus. This variety has good qualities for whole crop silage with high TDN (Total Digestive Nutrient) yield and low NDF (Neutral Detergent Fiber) and low ADF (Acid Detergent Fiber) and high RFV (Relative Feed Value) compared to common high grain yield varieties. The biomass and TDN yield performance of 'Nokyang' is 1,652 MT/ha, 9.9 MT/ha, individually in local adaptability test for three years. 'Nokyang' is adaptable to central plain area, south-eastern plain area of Korea.

'녹양'은 초다수 총체사료용 벼 품종을 육성하기 위하여 1996년 하계에 국제미작연구소에서 다수성인 용문벼를 모본으로하고 신초형 IR67396-16-3-3-1을 부본으로 교배하여 계통육종법에 의하여 육성한 품종으로, 2006년 12월에 직무육성신픔종선정위원회에서 국가목록등재품종으로 선정됨과 동시에 '녹양'으로 명명하였으며, 지역적응시험 결과는 다음과 같다. 1. '녹양'의 출수기는 보통기 재배에서 8월16일로 '다산벼' 보다 5일 정도 늦은 중만생종이다. 2. '녹양'은 흰잎마름병, 호엽고병 및 오갈병에 복합 내병성이나 도열별, 벼멸구에는 약한 편이다. 3. '녹양'은 '다산벼'보다 탈립에 강하고, 후기녹체성이 우수하였다. 4. '녹양'은 가소화양분총량(TDN) 함량이 높고 중성세제 불용섬유소(NDF)와 산성세제불용섬유소(ADF)가 낮아 상대적사료가치(RFV)가 높았다. 5. '녹양'의 총체수량은 지역적응시험에서 2004년부터 2006년 평균 16.5 MT/ha로 '다산벼'보다 11% 증수하는 경향을 보였다. 6. '녹양'은 가소화양분총량(TDN)은 9.9 MT/ha이며 ADF와 NDF가 낮아 상대적 사료가치가 '다산벼'에 비해 높은 품종이다. 7. '녹양'의 쌀 수량은 보통기 재배에서 6.93 MT/ha로 '다산벼'의 80% 수준이었다. 8. 재배적지는 중부 및 남부평야지 1모작 지대이다.

Keywords

References

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