KOREAN JOURNAL OF CROP SCIENCE (한국작물학회지)

The Korean Society of Crop Science (한국작물학회)
권호 표지

Estimation of Agronomic Characteristics of Domestic Aromatic Rice Germplasm and Foreign Aromatic Rice Germplasm in RDA Genebank, Korea

국내육성 향미 유전자원과 도입 향미 유전자원의 농업적 형질 평가

  • Kim, Jeong-Soon (Genetic Resources Division, National Institute of Agricultural Biotechnology, RDA) ;
  • Ahn, Sang-Nag (Department of Agronomy, Chungnam National University) ;
  • Cho, Yang-Hee (Genetic Resources Division, National Institute of Agricultural Biotechnology, RDA) ;
  • Gwag, Jae-Gyun (Genetic Resources Division, National Institute of Agricultural Biotechnology, RDA) ;
  • Kim, Tae-San (Genetic Resources Division, National Institute of Agricultural Biotechnology, RDA) ;
  • Lee, Jung-Ro (Genetic Resources Division, National Institute of Agricultural Biotechnology, RDA) ;
  • Lee, Sok-Young (Genetic Resources Division, National Institute of Agricultural Biotechnology, RDA)
  • 김정순 (농촌진흥청 농업생명공학연구원 유전자원과) ;
  • 안상낙 (충남대학교 농업생명과학대학 농학과) ;
  • 조양희 (농촌진흥청 농업생명공학연구원 유전자원과) ;
  • 곽재균 (농촌진흥청 농업생명공학연구원 유전자원과) ;
  • 김태산 (농촌진흥청 농업생명공학연구원 유전자원과) ;
  • 이정로 (농촌진흥청 농업생명공학연구원 유전자원과) ;
  • 이석영 (농촌진흥청 농업생명공학연구원 유전자원과)
  • Published : 2008.09.30
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Abstract

This study was conducted to provide the fundamental data based on the agronomic characteristics of domestic aroma rice, widely cultivated domestic rice and foreign aroma rice for breeding of functional aromatic rice. Among the 104 varieties, all of domestic aroma rice and widely cultivated rice varieties were headed, 24 of 84 varieties of foreign aroma rice were not headed. The average heading date of domestic aroma rice Japonica types of domestic rice was later as 136 day, and Tongil types of domestic aroma rice were faster as 122 day. The average culm length of Indica types of foreign aroma rice was longer as 130 cm, and Tongil types of were shorter as 74 cm. The average panicle length of domestic aroma rice and traditional rice were about 21 cm, and Indica types of foreign aroma rice were longer as 29.5 cm. The average 1,000 grain weight of Tongil types of domestic aroma rice and was not a difference with the domestic aroma rice and was more 2.5 g than the Indica types of foreign aroma rice. The average ratio of grain width and length of Indica types of foreign aroma rice were highest as 3.29 (W/L), and the domestic traditional rice was lowest as 1.7 (W/L). The average fertility rate of the domestic aroma rice, the widely cultivated domestic rice, and the Japonica types of foreign aroma rice were above 89.7%, but the Indica types of foreign and the Tongil types of domestic aroma rice were below 65.4%. The average germination rate of foreign aroma rice were above 83.7%, and domestic aroma rice were above 90.4%. The non-glutinous rice were 64 varieties (84.2%) of total 104 accessions of material rice and the waxy rice were 7 varieties (1%). In the domestic aroma rice, Hyangmi2ho and Aranghyangchalbyeo has a mild aroma grade. In the foreign aroma rice, 22 of 40 varieties of Indica types and 9 of 16 varieties of Japonica types has a lightly aroma grade. And 13 varieties of widely cultivated domestic rice has a non-aroma grade.

본 시험은 국내 육성 향미자원과 외래 도입 향미 유전자원 및 국내 다면적 재래자원들의 농업적 형질특성을 비교하여 향후 우수한 향미 품종의 육성에 필요한 기초 자료를 제공하고자 실시하였으며,그 결과는 다음과 같다. 1. 공시재료는 104품종으로 국내자원 5품종 및 국내 다면적 재배 자원 14품종으로 모두 출수하였으나, 외래 도입자원 84품종 중 24품종(23%)은 출수하지 못하였다. 2. 평균 출수일은 통일계 국내자원(122일)이 빨랐으며, 자포니카형 국내자원이 136일로 늦었고, 도입자원(약 132일)과 다면적 재배자원(131일)과 비슷하였다. 평균 간장은 통일계 국내자원(74 cm) < 다면적 재배자원(97.5 cm) < 자포니카형 국내자원(100.3 cm) < 자포니카형 도입자원(120cm) < 인디카형 도입자원(130 cm) 순으로 길었다. 평균 수장은 국내 향미자원(21 cm)과 다면적 재배자원(21.5 cm)이 비슷하며, 자포니카형(24.5 cm)과 인디카형(29.5 cm) 도입자원이 국내자원보다 길었다. 평균 수수는 자포니카형 도입 자원(10개) < 통일계 국내자원(12개) < 인디카형 도입자원(14개) < 다면적 재배자원(15개) < 자포니카형 국내자원(19개) 순으로 많았다. 평균 1,000립중은 통일계 국내자원(23.6g)과 자포니카형 도입자원(23.5 g)이 자포니카형 국내자원(20.9 g)과 다면적 재배자원(21.9 g)이 비슷하였고, 인디카형 도입자원은 19.1 g이었다. 3. 벼의 생태형을 결정하는 립의 평균 장폭비는 인디카형도입자원(3.29) > 통일형 국내자원(2.52) > 자포니카형 국내자원 = 자포니카형 도입자원(1.81) > 국내 다면적 재배자원(1.7) 순이었다. 4. 임실률은 자포니카형 국내자원(100%) > 국내 다면적 재래종(98%) > 자포니카형 도입자원(89.7%) > 인디카형 도입자원(65.4%) > 통일형 국내자원(50%) 순으로 높았다. 평균 발아율은 국내자원(통일계, 98.3%; 자포니카형, 90.4%) 및 국내 다면적 재래종(자포니카형, 93.3%)이 도입자원(인디카형, 83.7%; 자포니카형, 88.6%)보다 높았으나, 변이폭은 도입자원이 컸다.현미의 형태적 특징은 찰벼는 7자원이며 메벼가 97자원(84.2%)이었다. 5. 국내자원 중 Hyangmibyeo2ho, Aranghyangchalbyeo가 중간 정도의 향을 띄었다. 인디카형 도입자원 40품종 중에서 22품종(55%)과 자포니카형 도입자원 16품종 중 9품종(56%)이 약한 향을 나타내었고, 국내 다면적 재래종은 13품종은 모두 향이 없었다.

Keywords

References

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