บทคัดย่องานวิจัย

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Postharvest characteristics of moderate-chill peach varieties.

Beckman, T. G.; Krewer, G. W.;

Proceedings of the Florida State Horticultural Society Year: 1999, publ. 2000 Issue: No. 112 Pages: 236-241 Ref: 11 ref.

2000

บทคัดย่อ

Postharvest characteristics of moderate-chill peach varieties.

The postharvest behaviour of selected moderate-chill peach (Prunus persica) cultivars, collected in Attapulgus, in the extreme southwest corner of Georgia, USA, was studied over 3 seasons. 'Flordaking' and 'June Gold', currently the dominant cultivars utilized in the South Georgia and North Florida industries, were used as standards. Promising alternative cultivars were also tested, including 'Flordacrest', 'Texstar', 'White Robin', 'Juneprince' and 'Delta' (a non-melting flesh type). Storage protocol was designed to approximate conditions likely to be encountered during shipment to market via refrigerated truck and subsequent retail marketing (5 days at 4 deg C followed by 2 days at 20 deg C). Individual fruit weight, fruit firmness (measured as coefficient of restitution) and yellow ground colour were measured following the 7-day protocol. Most cultivars retained acceptable firmness during the simulated shipping/marketing period. However, non-melting flesh types, such as 'Delta', softened mark

edly less than melting flesh types, such as 'Flordaking' and 'June Gold'. Both 'Flordaking' and 'June Gold' displayed a high percentage of split pits during this study.