FLOWER RESEARCH JOURNAL (화훼연구)

The Korean Society for Floricultural Science (한국화훼학회)
권호 표지

Effect of CO2 Concentration and Fertilization Time on the Growth of Potted Phalaenopsis

CO2 처리농도 및 공급시간이 분화 호접란의 생육에 미치는 영향

  • Hwang, Seung Jae (Department of Horticulture, Division of Applied Life Science, Graduate School, Gyeongsang National University) ;
  • Jeong, Byoung Ryong (Department of Horticulture, Division of Applied Life Science, Graduate School, Gyeongsang National University)
  • 황승재 (경상대학교 대학원 응용생명과학부 원예학과) ;
  • 정병룡 (경상대학교 대학원 응용생명과학부 원예학과)
  • Received : 2008.12.09
  • Accepted : 2009.03.09
  • Published : 2009.03.31

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Abstract

The study was conducted to examine effective concentration and fertilization time of $CO_2$ for the growth of potted Phalaenopsis in growth chambers. Enrichment level of $CO_2$ was 1,000 or $2,000{\mu}mol{\cdot}mol^{-1}$ and fertilization time was 06:00~12:00, 00:00~06:00, or 18:00~24:00. Two, seven, or twelve month-old clonal micropropagules of Phalaenopsis cultivars were cultured for 99 days. Leaf number, leaf length, leaf width, root length and fresh weight of all Phalaenopsis cultivars in $2,000{\mu}mol{\cdot}mol^{-1}$ $CO_2$ were significantly greater than that of $1,000{\mu}mol{\cdot}mol^{-1}\;CO_2$. $CO_2$ fertilization time was the greatest growth in 0:00~06:00.

분화 호접란의 이산화탄소 시비 농도와 공급시간을 구명하고자, Phalaenopsis 'Brother Spring Dance', 'Brother Girl' 및 'Queen Bear' 품종을 2개월, 7개월 그리고 12개월 생장된 묘에 이산화탄소 농도 1,000 및 $2,000{\mu}mol{\cdot}mol^{-1}$을 06:00~12:00시, 00:00~06:00시와 18:00~24:00시에 99일간 처리하였다. 호접란 모든 처리 품종은 이산화탄소 농도 $1,000{\mu}mol{\cdot}mol^{-1}$ 보다 $2,000{\mu}mol{\cdot}mol^{-1}$ 에서 엽수, 엽장, 엽폭, 뿌리길이 및 생체중 등의 생육이 촉진되었고, $CO_2$ 공급시간은 00:00~06:00시가 가장 효과적이었다.

Keywords

References

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