Horticultural Science & Technology (원예과학기술지)

Korean Society of Horticultural Science (한국원예학회)
권호 표지

Light Quality Affects Growth, Net Photosynthetic Rate, and Ethylene Production of Ageratum, African Marigold, and Salvia Seedlings

광질이 아게라텀, 아프리칸매리골드 및 살비아 실생묘의 생장, 순광합성속도 및 에틸렌 생산에 미치는 영향

Heo, Jeong-Wook;Lee, Yong-Beom;Lee, Deog-Bae;Chun, Chang-Hoo
허정욱;이용범;이덕배;전창후

  • Published : 2009.06.30
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Abstract

The effect of white fluorescent, blue, red, and blue plus red mixture light at a 90 ${\pm}$ 10 $\mu$mol m$^{-2}$ s$^{-1}$ light intensity on growth, net photosynthetic rate (NPR), and ethylene production in Ageratum houstonianum 'Blue Field', Tagetes erecta 'Orange Boy', and Salvia splendens 'Red Vista' plug seedlings was investigated for 14 days. Higher leaf area and NPR of ageratum seedlings were achieved by mixture radiation of blue and red as compared to monochromic blue or red, whereas ethylene production was not affected by different light qualities. Ageratum and salvia seedlings under blue or red light showed the greatest plant height. Photosynthesis of marigold and salvia seedlings was stimulated by all light qualities except for monochromic blue light. Red or mixture light quality was the most effective in the promotion of ethylene production of marigold and salvia, and inhibitory response was shown under blue light. It was found that growth, photosynthesis, and ethylene production in ageratum, marigold, and salvia plug seedlings depended upon different light qualities for the experimental period.

본 실험에서는 광강도가 90${\pm}$10 $\mu$mol m$^{-2}$ s$^{-1}$인 형광등, 청색, 적색 단일 광질 및 청색과 적색의 혼합 광질이 14일간 아게라텀(Ageratum houstonianum Mill.) 'Blue Field', 아프리칸매리골드(Tagetes erecta L.) 'Orange Boy' 및 살비아(Salvia splendens F. Sello ex Ruem & Schult.) 'Red Vista' 실생묘의 생장, 순광합성 속도(NPR) 및 에틸렌 생합성에 미치는 영향을 검토하였다. 아게라텀 실생묘의 엽면적 및 NPR은 청색이나 적색의 단일광에 비해 청색과 적색의 혼합광조사에 의해 증가하는 반면, 에틸렌 생산은 광질의 차이에 따른 영향을 받지 않았다. 아게라텀과 살비아 실생묘의 초장은 청색이나 적색의 단일광 조사구에서 최대였다. 아프리칸매리골드와 살비아의 광합성은 적색의 단일광, 청색과 적색의 혼합광 조사에 의해 촉진되었다. 적색 단일 광질 또는 적색과 청색의 혼합 광질은 아프리칸매리골드와 살비아의 에틸렌 생산에 있어서 매우 효과적인 광질이었으나 청색의 단일 광질은 에틸렌 생산을 현저히 억제시켰다. 본 실험을 통하여 재배 기간 동안 아게라텀, 아프리칸매리골드 및 살비아 실생묘의 생장, 광합성 및 에틸렌 생산은 광질에 의해 좌우되는 것을 알 수 있었다.

Keywords

References

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