Korean Journal of Plant Tissue Culture (식물조직배양학회지)

The Korean Society of Plant Biotechnology (한국식물생명공학회)
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Effect of BA and GA on Embryo Germination from Ovule Culture in Intergeneric Hybrids between Brassica and Raphanus

배추와 무의 속간 잡종육성을 위한 배주배양시 배 발아에 미치는 BA와 GA의 효과

  • Published : 1997.09.01
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Abstract

Intergeneric crosses over 34 cross combinations between genus Brassica and Raphanus were made. Ovules taken out of crossed were cultured on MS media supplemented with 1.0 mg/L GA and BA. Germination of embryo from ovule culture was not influenced by BA and GA in medium but by parental characters in its cross combination. Use of Raphanus sativus cv. Daibyosobudore and Jungkukcheongpi showed low embryo germination when they were used as male part. Cross combination with Brassica juncea as male parent showed slightly increased germination compared to other cross. These results indicated that embryo germination in ovule culture was not much influenced by casein hydrolysate, malt extract, BA, kinetin and glutamine in the medium, but parents in combination were key factor for increasing embryo germination.

Brassica와 Raphanus 간에 속간 교잡종을 육성하기 위해서 34개의 교배 조합을 설정한 다음 수분 12일이 경과된 배주를 BA와 GA 1.0 ㎎/L가 첨가된 MS배지에 접종하고 배의 발아율을 조사하였다. BA나 GA 첨가는 배의 발아에 큰 영향을 미치지 않았다. 무 속의 '내병총태'와 '중국청피'를 부계로 교잡한 조합에서 배의 발아율이 낮았으나 갓(Brassica juncea)을 부계로 교잡한 조합에서는 비교적 배의 발아율이 높았다. 이러한 결과는 배주배양시 배지에 첨가한 casein hydrolysate, malt extract, BA, kinetin 및 glutamine이 배의 발아에 미치는 영향보다는 부계나 모계의 교잡조합에 따라 배의 발아율에 상당한 차이가 있다는 것을 의미한다.

Keywords

References

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