Abstract
The influence of light quality on growth and development of in vitro grown Doritaenopsis hort. (Orchidaceae) plants was investigated. Growth parameters like leaf and root fresh/dry mass and leaf area were highest with plants grown under red plus blue light emitting diodes (LEDs). Leaf length was greater with the plants grown under red LED. Carbohydrate (starch, sucrose, glucose and fructose) and leaf pigment (chlorophylls and carotenoids) biosynthesis of the plants was significantly increased in plants grown under red plus blue LEDs compared to red or blue LED and fluorescent light treatments. This study suggests that the production of quality Doritaenopsis plants is possible by culturing the plants in vitro under a mixture of blue plus red light sources.
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This work was supported by Korea Science and Engineering Foundation (KOSEF) through Research Center for the Development of Advanced Horticultural Technology at Chungbuk National University, Cheongju, 361–763, Korea.
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Communicated by J. Kepczynski.
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Shin, K.S., Murthy, H.N., Heo, J.W. et al. The effect of light quality on the growth and development of in vitro cultured Doritaenopsis plants. Acta Physiol Plant 30, 339–343 (2008). https://doi.org/10.1007/s11738-007-0128-0
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DOI: https://doi.org/10.1007/s11738-007-0128-0