Horticulture, Environment, and Biotechnology : HEB

Korean Society of Horticultural Science (한국원예학회)
권호 표지

Effects of Some Factors on Germination and Stem Cutting of Hanabusaya asiatica

금강초롱꽃의 종자발아 및 줄기삽에 all는 몇가지 요인의 영향

Ryu, Seung-Yeol;Lee, Ho-Sun;Cho, Kwang-Soo;Yoo, Dong-Lim;kang, Sang-Heon;Kim, Jong-Hwa
류승열;이호선;조광수;유동림;강상헌;김종화

  • Published : 20020000
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Abstract

This study was conducted to determine the effects of cold and gibberellin (G$A_{3}$) treatments on seed germination, the best cutting medium and cutting part for stem cutting in mass propagation of Hanabusaya asiatica. The germination rate of seed treated with cold temperature (0$^{o}C$) for 20 days was 80% under light condition. Seed germination rate was increased to 55% by 300 mgáL1 G$A_{3}$ treatment. Thus, cold treatment was more effective than G$A_{3}$ for seed germination. Perlite and sand were the most effective medium on rooting of stem cutting. Peatmoss or medium including peatmoss were not suitable for cutting of Hanabusaya asiatica. Top cutting was better for rooting than nodal cutting. IAA oxidase activity of top cutting was 82% and higher than that of nodal cutting.

한국특산속 식물인 금강초롱꽃의 보존과 생산을 위한 대량증식방법을 개발하고자, 종자 발아에 적당한 환경조건 구명 및 GA3 처리 효과와 삽목용토와 삽수부위에 따른 발근 효과를 살펴보았다. 종자를 0oC에서 20일 처리시 발아율이 80% 정도로 가장 좋았으며, 명상태에서 발아율이 높았다. GA3 300mg·L-1의 농도에서 3일 처리하였을 때 무처리구에 비해 55% 정도 발아율이 향상되었으나, 그 효과는 저온처리에 비해 낮았다. 정아삽을 펄라이트와 모래에 삽목시 발근이 우수하였으며, 피트모스를 혼용한 삽목용토는 발근이 저조하였다. IAA oxidase의 활성은 정아삽이 관삽에 비해 82% 높았다.

Keywords

References

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