Volume 48 Number 2 Article 8 Pages: 103-108
Year 1994 Month 4
Title: In Situ Differences in Fruit Color Development of Six 'Delicious' Apple Strains
Authors: S. Slngha, T.A. Baugher and E.C. Townsend
Citation
Abstract:
Changes in fruit color of six 'Delicious' apple
(Malus domestica Borkh.) strains were recorded
in situ from 27 July through 21 September 1988
(149 days after full bloom). Fruit color was
measured with a Minolta CR-200b portable
tristimulus colorimeter at the midpoint between
the stem and calyx end on fruit directly exposed
to sunlight.
Significant differences in color were
observed among strains even at the first measurement date.
Strains which had a darker red
coloration at harvest tended to initiate earlier
red color development.
Strains varied in their
rate of color development.
In most strains rapid
color development occured between the middle
of August and the first week of September, by
which time the strains tended to approach their
ultimate color.
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