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백합 근연수분 및 종간 교잡종 F1 여교잡시 종자형성

Seed Set in Close Pollination and Backcross of Interspecific F1 of Lilium spp.

  • 이지용 (충남농업기술원 태안백합시험장) ;
  • 임용표 (충남대학교 농업생명과학대학 식물자원학부)
  • Lee, Ji-Yong (Taean Lily Experiment Station, CARES) ;
  • Lim, Yong-Pyo (College of Agriculture and Life Science, Chungnam National University)
  • 발행 : 2003.12.01

초록

근연수분인 (L. longiflorum 'Gelria'${\times}$L. ${\times}$formolongi 'Raizan')의 경우 주두수분에서 종자형성 삭과율은 93%이고 삭과당 평균 종자수는 71개였다 화주절단수분시에는 종자형성 삭과율이 53%이고 삭과당 평균 종자수는 22개로 적었다. (L. longiflorum 'Gelria'${\times}$L. ${\times}$formolongi 'Raizan')의 경우 주두수분에서 종자형성 삭과율이 47%이고 삭과당 평균 종자수는 311개를 얻었다. 그러나 화주절단수분에서는 종자형성 삭과율이 47%이고 삭과당 평균 종자수는 34개로 주두수분에 비해 11%밖에 미치지 못했다. (L. longiflorum 'Raizan'${\times}$L. ${\times}$formolongi 'Como')의 경우 주두수분은 종자형성 삭과율이 40%이고 삭과당 종자수가 14개인 반면 화주절단수분에서는 종자형성이 이루어지지 않았다. [(L. longiflorum 'Lorina'${\times}$L. Asiatic hyhbrid 'Chicago') ${\times}$L. Asiatic hyhbrid 'Chicago']의 여교잡에서 화주절단수분된 15개체 중에서 9개의 성숙삭과를 얻어 삭과 형성율은 60%,배형성 삭과수는 53%,삭과당 평균배수는 14개였다. 그러나 [(L. longiflorum 'Lorina'${\times}$L. Asiatic hyhbrid 'Chicago')${\times}$L. longiflorum 'Lorina']와 [L. longiflorum 'Lorina'${\times}$(L. longiflorum 'Lorina'${\times}$L. Asiatic hyhbrid 'Chicago')]의 교잡은 전혀 삭과가 형성되지 않았다. 또한 [(L. longiflorum 'Lorina'Lorina'L. Asiatic hyhbrid 'Corsica') ${\times}$L. Asiatic hyhbrid 'Corsica']의 경우도 수분된 15개체 중에서 삭과 형성률은 80.0%,배형성 삭과수는 67%,삭과당 평균배수는 11개였다. 하지만 [(L. longiflorum 'Lorina'${\times}$L. Asiatic hyhbrid 'Corsica')${\times}$L. longiflorum 'Lorina']와 나팔백합에 종간잡종을 교잡한 [L. longiflorum 'Lorina'${\times}$(L longiflorum 'Lorina${\times}$L. Asiatic hyhbrid 'Corsica')]의 교잡은 전혀 삭과가 형성되지 않았다. 이 결과는 종간 교잡종을 자방친으로 하고 그 자방친의 화분친을 사용할 때만 교잡이 이루어지고 있음을 나타내고 있다. 따라서 여교잡을 통한 종간잡종 품종육성 활용방안을 금후 적극 확대 검토해야 할 것이다

We studies seed set in the interspecific F1 /backcross hybrids of Lilium species. In the interspecfic hybrid of L. longiflorum cv. Gelria with L.${\times}$ fomolongi cv. Raizan,93% fruit set was obtained by stigmatic pollination in comparison to 53% from cut-style pollination. Accordingly, the number of seed set resulting from stigmatic and cut-style pollination was 147 and 53, respectively. Pollination o( both stigmatic and cut-style pollination resulted in 47% fruit set in the hybrid of L. longiflorum cv. Lorina with L.${\times}$ fomolongi cv. Raizan. However, stigmatic pollination formed 413 seeds, whereas only 24 seeds were obtained by cut-style pollination in this cross. The hybrid of L.${\times}$ fomolongi cv. Raizan with L. longiflorum cv. Come set 40% fruit with a total of 43 seeds by stigmatic pollination. However, no fruit set was observed in cut-style pollination in this hybrid. Backcrossing the F1 hybrid by cut-style pollination of L. longiflorum cv. Lorina ${\times}$ Asiatic hybrid cv. Chicago with the latter parent led to 53% fruit set, and 109 embryos were obtained. Likewise, backcrossing following cut-style pollination of L. longiflorum cv. Lorina ${\times}$ Asiatic hybrid cv. Corsia with the latter parent formed 67% fruits and 107 embryos. However, in the remaining interspecific hybrids, cut-style pollination set no fruit.

키워드

참고문헌

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