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Abinaya Manivannan,Prabhakaran Soundararajan,박유경,Hao Wei,김수훈,정병룡 한국원예학회 2017 Horticulture, Environment, and Biotechnology Vol.58 No.1
The objective of this study was to determine the effect of light quality on the growth, physiology, andantioxidant enzyme activity of two important domestic carnation (Dianthus caryophyllus) cultivars: ‘Green Beauty’and ‘Purple Beauty’. In vitro-grown shoot tip explants were cultured on the plant growth regulator (PGR)-freeMurashige and Skoog (MS) medium under a conventional cool white fluorescent lamp (control), blue light-emittingdiode (LED), or red LED. Growth traits, photosynthetic and biochemical parameters, activity of antioxidant enzymes,and nutrient content were measured after 8 weeks. Interestingly, the blue and red LED treatments resulted in asignificant increase in growth, photosynthetic parameters, and nutrient content in comparison to the conventional coolwhite florescent lamp treatment. In addition, red LED treatment increased the activities of antioxidant enzymes andelemental contents in both cultivars. Thus, incorporating blue or red LED treatments enhances the quality of ‘GreenBeauty’ and ‘Purple Beauty’ carnations propagated in vitro.