KOREAN JOURNAL OF CROP SCIENCE (한국작물학회지)

The Korean Society of Crop Science (한국작물학회)
권호 표지

Esterase Isozyme Patterns of Rice-off Ope Groups Classified by Grain Characteristics

종실특성에 따라 분류한 벼 이형주군의 Esterase 동위효소 형태변이 및 분리양상

  • 김동관 (전남농업기술원) ;
  • 진일두 (순천대학교 농업생명과학대학) ;
  • 정병관 (순천대학교 농업생명과학대학)
  • Published : 2002.06.01
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Abstract

This study was carried out to investigate the genetic segregations and characteristics of off-type rice plants collected in Korea which were classified into seven groups based on grain characteristics. In the analysis of esterase electrophoresis, the long-grain red group was classified as 1 and 3 esterase isozyme zymogram(EIZ), the long-grain normal group was classified as 1, 3 and 7 EIZ. The extremely late sterility group was segregated variously as 1, 2, 1+2, 5, 6, 5+6, 7,8 ,7+8 and 12 EIZ. The long-grain red rice lines with 1 EIZ had a longer culm length and a lower length/width ratio to brown rice than the long-grain red rice lines with 3 EIZ. The long-grain normal rice lines with 3 EIZ had a longer culm length, shorter panicle length, greater number of tillers, lower length/width ratio of brown rice, and fewer number of grains per panicle than did the long-grain red rice lines with 1 or 7 EIZ.

종실 등의 특성을 기준으로 분류한 7가지 벼 이형주군의 변이와 분리양상은 다음과 같다. 1. Esterase 동위효소 분석에서 장립적미군은 1과 3 esterase isozyme zymogram(EIZ), 장립메성군은 1, 3 및 7 EIZ로 분류할 수 있었다. 2. 극만생 불임군은 EIZ가 1, 2, 1+2, 5, 6, 5+6, 7, 8, 7+8 및 12로 다양하게 분리되었다. 3. EIZ가 1인 장립적미군이 3 EIZ인 장립적미군에 비해 간장이 길고 현미의 장폭비가 낮았다. 4. EIZ가 3인 장립메성군은 1이나 7 EIZ인 장립메성군에 비해 간장이 길고 수장이 짧고 분얼수가 많고 현미의 장폭비가 낮으며 수당 립수가 적었다.

Keywords

References

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