Korean Journal of Agricultural Science (농업과학연구)

Institute of Agricultural Science, CNU (충남대학교 농업과학연구소)
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Growth and Flowering of Calla (Zantedeschia elliottiana cv. 'Black Magic') with various mulching materials and GA3 treatments

멀칭재료와 GA3처리에 따른 유색칼라(Zantedeschia elliottiana cv. 'Black Magic')의 생육 및 개화반응

  • Nam, Chun-Woo (National Institute of Horticultural and Herbal Science, RDA) ;
  • Yoo, Dong-Lim (National Institute of Crop Science, Highland Agriculture Research center, RDA) ;
  • Kim, Su-Jeong (National Institute of Crop Science, Highland Agriculture Research center, RDA) ;
  • Suh, Jong-Teak (National Institute of Crop Science, Highland Agriculture Research center, RDA) ;
  • Paek, Kee-Yoeup (Chungbuk Research Center for the Development of Advanced Horticultural Technology, Chungbuk National University) ;
  • Lee, Sang Gyu (National Institute of Horticultural and Herbal Science, RDA)
  • 남춘우 (원예특작과학원) ;
  • 유동림 (식량과학원 고령지농업연구센터) ;
  • 김수정 (식량과학원 고령지농업연구센터) ;
  • 서종택 (식량과학원 고령지농업연구센터) ;
  • 백기엽 (충북대 첨단원예기술개발연구센터) ;
  • 이상규 (원예특작과학원)
  • Received : 2014.10.31
  • Accepted : 2015.01.07
  • Published : 2014.12.31
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Abstract

This experiment had been conducted to determine optimal culture conditions for the growth and cut flowers of Calla (Zantedeschia 'Black Magic' 'Golden Affair') in highlands. Tubers of calla 'Black Magic' was treated with 0, 100, and $200mg{\cdot}L^{-1}$ concentration of $GA_3$. ABA content in tubers and roots were twice higher ($20-25pmol{\cdot}mL^{-1}$) in control than in $GA_3$ treated tubers and roots. ABA contents in tubers was not consistent but ABA contents in roots increased with increasing $GA_3$ concentration. However ABA is in inverse proportion to GA. It was mean that GA of high contents was ABA of low contents. Calla 'Golden Affair' was treated with different mulching materials (Control, black PE, Reflective film, Rice hull) and $GA_3$ concentrations (0, 50, 100 and $200mg{\cdot}L^{-1}$). It was largest in the length of flower at mulching of reflective film, Rice hull and it was greatest in the number of cut flowers at the treated with $200mg{\cdot}L^{-1}$ $GA_3$, Therefore the proper condition was at $200mg{\cdot}L^{-1}$ $GA_3$ with reflective film mulching.

Keywords

References

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