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Selection and experimental use of colour charts as a maturity index for peach and nectarine harvesting

P. Eccher Zerbini, G.L. Spada and C. Liverani
Advances in Horticultural Science
Vol. 8, No. 2 (1994), pp. 107-113
Stable URL: http://www.jstor.org/stable/42881747
Page Count: 7
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Abstract

A study of background colour as a harvesting index for peaches and nectarines was undertaken to achieve fruit of better and more uniform quality with resistance to handling. For each cultivar, the background colour matching the most advanced maturity stage at which fruit retained a firmness greater than 5 kg was selected as a reference, and colour charts were prepared accordingly. The fruit selected according to these colour charts remained firm after short storage and was more uniform, within each orchard and harvest, than normally harvested fruit as to background colour, soluble solids and firmness. A background-colour chart is a useful tool for harvesting peaches and nectarines of better and more uniform internal quality.

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