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Abstract
The visual appearance of flowers, fresh fruits and vegetables is one of the first quality determination made by the consumer. Often the appearance of the commodity is the most critical factor in the initial sale. The flower colour of fresh and dried Dutch rose varieties at Regional Horticultural Research and Extension Centre, UHS (Campus) GKVK, Bengaluru was documented using a Minolta CR-10 portable tristimulus colorimeter. With the colorimeter, flower chromaticity was recorded in Commission Internationale d’ Eclairage L*, C* and h° colour space coordinates. In this system of colour representation the values L*, C* and h°, where L value corresponds to the brightness of the flower, C describes the intensity of the colour and h° represents the hue angle. The colorimeter, however, allowed the description of colours that fell between the colour charts and had the ability to compare the specific colour attributes of different varieties of similar and different colour. The ability to interpolate colours with the colorimeter allows a greater precision in documentation and discrimination of flower colour.
Highlights
Rose as cut flower has great demand in the internal as well as export markets
Considering the potential of Dutch roses in dry flower trade, the present studies were undertaken to evaluate the colour of dried Dutch rose flowers of different drying methods using a colorimeter Minolta CR-10
With respect to the chroma maximum was in var
Summary
Rose as cut flower has great demand in the internal as well as export markets. The demand for cut flowers is increasing day by day with the increasing standard of living, aesthetic sense and awareness in the people. Colour measurements: Colour measurements of the surface colour of fresh and dried flower petals of Dutch rose varieties (Taj Mahal, Gold Strike, Noblesse, and Avalanche) were evaluated with Minolta CR-10 colorimeter at CIE D65/2° illuminative/viewer conditions. Chroma and hue angle of fresh flowers using colorimeter had showed significant difference with respect to Dutch rose varieties, maximum lightness (87.18) was recorded in var.
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