식물분류학회지 (Korean Journal of Plant Taxonomy)

  • 제40권3호
  • /
  • Pages.153-156
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  • 2010
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  • 1225-8318(pISSN)
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  • 2466-1546(eISSN)
한국식물분류학회 (The Korean Society of Plant Taxonomists)
권호 표지

한국산 솜다리속(국화과) 4종의 염색체수

Chromosome number of four Korean species of Leontopodium(Asteraceae)

  • 이동혁 (인하대학교 자연과학대학 생명과학과) ;
  • 정규영 (안동대학교 생명자원과학부) ;
  • 최병희 (인하대학교 자연과학대학 생명과학과)
  • 투고 : 2010.09.07
  • 심사 : 2010.09.14
  • 발행 : 2010.09.30
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초록

한국산 솜다리속 4종에 대한 염색체수를 조사하였다. 산솜다리(L. leiolepis)의 염색체수는 설악산에서 채집된 개체에서 2n = 24로 처음으로 보고되었다. 왜솜다리(L. japonicum) 염색체수는 국내 3지역에서 조사된 개체에서 모두 2n = 28로 동일하였다. 하지만 기존 보고된 한국(2n=26)과 일본산(2n=21, 26)과는 차이를 보였다. 같은 sect. Nobilia에 속하며 형태적으로 유사한 왜솜다리와 한라솜다리(L. hallaisanense)는 염색체수가 2n = 28로 동일하였다. 한국산 들떡쑥(L. leontopodioides)의 염색체수(2n = 24)는 기존 러시아산에서 보고된 것(2n = 26)과 차이를 보였다. 한국산 솜다리속 종들의 염색체는 모두 4배체이거나 이수체로 생각된다.

The somatic chromosome number of four Korean species of Leontopodium were investigated. The chromosome number of L. leiolepis (2n = 24) is reported here as for the first time. The chromosome number of L. japonicum (2n = 28) is not varied among the 3 populations on the Korean Peninsula, but that condition is different from the previous reports for Korea (2n = 26) and Japan (2n = 21, 26). L. hallaisanense and L. japonicum, both of which are in sect. Nobilia and similar to each other in gross morphology, have the same chromosome number of 2n = 28. On the other hand the chromosome number of Korean L. leontopodioides (2n = 24) is different from that in Russian reports (2n = 26). The chromosome numbers of all Korean species of the genus Leontopodium could be inferred as tetraploid or aneuploid.

키워드

참고문헌

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