Relationship Between Chromaticity Measurements and Visual Ratings of Peach Cultivars
DOI:
https://doi.org/10.71318/apom.1995.49.2.75Abstract
A study was conducted to determine the relationship between sensory color evaluations of peach [ Prunus persica(L.) Batsch] cultivars and Commission Internationale d'Eclairage (CIE) L° a° b° color space coordinates and to compare the fruit color of 36 cultivars. Fruit color was visually rated on a 1-10 scale, with 10 representing highly attractive overall color. Fruit color also was measured with a portable tristimulus colorimeter at the mid-point between the stem and the stylar end on the blushed and on the nonblushed surfaces. Nonblushed surface measurements did not correlate with sensory panel evaluations. The hue angle of the blushed surface was linearly related to panel rating. The blushed surface hue angle indicated that the cultivars 'Harbrite,' 'Salem,' 'Redhaven' and 'Garnet Beauty' had the most intense red fruit coloration. Based on hue angle, a number of newer peach selections have color superior to the commercially planted midseason cultivar 'Loring.'
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