Article | 02. 2016 Vol. 34, Issue. 1
Scent Analysis Using an Electronic Nose and Flowering Period of Potted Diploid and Tetraploid Cymbidium



Floriculture Research Division, National Institute of Horticultural & Herbal Science, Rural Development Administration1
Department of Horticultural Science, Chungbuk National2




2016.02. 163:171


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We investigated the intensity and pattern of the scent produced by diploid and tetraploid Cymbidium flowers, using an electronic nose with 6 metal oxide sensors (MOS). The MOS responses were evaluated by principal component analysis, discriminant function analysis, and sensor data. These analyses revealed that tetraploid flowers had a stronger scent than diploid flowers in Cymbidium Golden Elf ‘Sundust’. Furthermore, among the different flower partscolumn, lip, and petals-the column produced the strongest scent. There was no significant difference between the flowering periods of diploid and tetraploid potted Cymbidium Golden Elf ‘Sundust' and Cymbidium Elma ‘Orient Toyo’ grown in a greenhouse. Moreover, there were no significant differences between the number of flowers per flower stem and the length of flower stems on the diploid and tetraploid plants of these two Cymbidium cultivars. This study provides potentially useful information for the breeding of polyploidy Cymbidium in the floriculture industry.



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