Korean Journal of Plant Resources (한국자원식물학회지)

The Plant Resources Society of Korea (한국자원식물학회)
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Effect of Low Temperature for the Breaking Dormancy of Primula sieboldii, P. modesta var. fauriae and Disporum smilacinum

저온처리 기간이 앵초, 설앵초 및 애기나리의 휴면타파에 미치는 영향

  • 홍수영 (고령지농업연구소 원예과) ;
  • 유동림 (고령지농업연구소 원예과) ;
  • 김수정 (고령지농업연구소 원예과) ;
  • 남춘우 (고령지농업연구소 원예과) ;
  • 류승열 (고령지농업연구소 원예과) ;
  • 서종택 (고령지농업연구소 원예과)
  • Published : 2006.02.01
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Abstract

This study has been conducted to find out the possibility of the winter production for pot cultured plants, such as P. sieboldii, P. modesta var. fauriae and D. smilacinum in highland, 800 meter above sea level by early breaking dormancy. Low temperatures for breaking dormancy were treated for 300, 500, 700 and 900 hours under $5^{\circ}C$ in incubators and, then these plants were moved to greenhouse controlled at $10^{\circ}C$ of night temperature. Results showed that P. modesta var. fauriae and D. smilacinum, and P. smilacinum required more than 500 hours and 700 hours of low temperature $5^{\circ}C$ for breaking dormancy, respectively.

앵초, 설앵초와 애기나리를 인위적으로 저온 처리하여 조기에 휴면 타파시켜 동계 생산에 필요한 저온요구시간을 구명하고자 저온시간을 각각 300, 500, 700, 900시간으로 처리하여 수행한 결과 앵초는 700시간이상, 설앵초와 애기나리는 모두 500시간 이상 저온($5^{\circ}C$)을 받으면 화경장이 신장되고 개화율도 높아지는 것으로 보아 휴면이 완전히 타파된 것으로 판단되었다. 따라서 앵초, 설앵초와 애기나리의 동계생산을 위해서는 $5^{\circ}C$의 저온에 $500{\sim}700$시간 이상을 두었다가 온실로 옮겨 재배하면 2월 상순에 분화상품 생산이 가능할 것으로 생각된다.

Keywords

References

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