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Eleni Tsantili, Miltiadis V. Christopoulos, Constantinos A. Pontikis, Pantousis Kaltsikes, Chariklia Kallianou, and Michalis Komaitis

decreases in firmness could be magnified after processing. Among the methods developed to maintain firmness during ripening and storage of fresh fruits were those that aim to increase fruit calcium (Ca) concentration by preharvest foliar and fruit sprays

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Celia M. Cantín, Carlos H. Crisosto, and Kevin R. Day

Plums, like other stone fruit, have a limited postharvest life. They are climacteric fruit and undergo rapid deterioration after ripening, including softening, dehydration, and decay. Commercial storage conditions [0–5 °C and 80% to 95% relative

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M.S. Padda and D.H. Picha

Poster Session 52—Postharvest Storage 21 July 2005, 1:15–2:00 p.m. Poster Hall–Ballroom E/F

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R. C. Sloan Jr., P. G. Thompson, W. B. Burdine Jr., J. L. Main, and P. D. Gerard

`Beauregard' storage roots which were discarded from the Mississippi sweetpotato foundation seed program because of the presence of flesh mutations were bedded in Spring 1991. After the plants were pulled from the roots, the roots were further examined, and the flesh mutations were characterized by size and frequency. The progency from the original roots were examined for flesh mutations for three generations in 1991, 1992, and 1993. The degree of mutation in the original root did not influence the degree of mutation in succeeding generations of storage roots. In 1992 and 1993, the degree of mutation in the third and fourth generation roots did not differ from that of storage roots grown from plants from the foundation seed plant beds.

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Fernando Montero de Espinosa Baselga, Jonathan R. Schultheis, Michael D. Boyette, Lina M. Quesada-Ocampo, Keith D. Starke, and David W. Monks

, a grower reported that 1600 tons of sweetpotato roots in storage had a disorder characterized by small brown to black necrotic areas in the flesh near the proximal end of the root, which is where storage roots are removed from the stem ( Dittmar et

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Marcelo A.G. Carnelossi, Edinaldo O.A. Sena, Adrian D. Berry, and Steven A. Sargent

maximum flavor. Shelf life depends on the cultivar, harvest method, and field and storage conditions ( Duan et al., 2011 ; Sargent et al., 2006 ). The respiration rate for blueberry was reported to reach between 2.0–10 mg·kg −1 ·h −1 at 0 °C and 52–87 mg

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Brian Lawrence and Juan Carlos Melgar

shelf life ( Clark and Finn, 2008 ). For instance, many growers harvest early in the morning to minimize field heat and reduce the time before fruit is placed in cold storage. Some of the most common and potentially devaluing defects in blackberry fruit

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Jun Song, Lihua Fan, Charles F. Forney, and Michael A. Jordan

92 POSTER SESSION 10 (Abstr. 105–119) Postharvest Physiology/Storage/Food Science Tuesday, 25 July, 1:00–2:00 p.m.

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Chad T. Miller and Mark P. Bridgen

185 μmol·m −2 ·s −1 ) or dark (24 h) conditions at 68 °F until planting. Rhizome storage and culturing were conducted in growth chambers (Percival, Perry, IA or Environmental Growth Chambers, Chagrin Falls, OH). The environmental parameters remained

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Esmaeil Fallahi, Brenda R. Simons, John K. Fellman, Mark A. Longstroth, W. Michael Colt, and Delmer O. Ketchie

Twenty-six strains of `Delicious' apple (Malus domestica Borkh.) were evaluated over several years for growth, yield, and fruit quality at harvest and after 6 months of storage. `August Red', `Rose Red', and `Sharp Red' had larger trunk cross-sectional area (TCSA) 3 and 18 years after planting compared to most other strains. `August Red' and `Starking' had larger TCSA and cumulative yield. `Apex,' `Improved Ryan Spur', `Silverspur', `Starkrimson', and `Wellspur' were also among strains with high cumulative yields and yield efficiencies. `Hardi-Brite Spur' and `Red King Oregon Spur' had moderately high yields and small TCSAs, thus, high yield efficiencies. `Atwood', `Hardispur', `Imperial', `Improved Ryanred', `Starkspur Supreme', and `Topred' had low cumulative yields. `Ace' and `Improved Ryanred' had low yield efficiencies. `Ace', `Imperial', `Red King Oregon Spur', `Rose Red', `Starking', and `Wellspur' had heavier fruit, while fruit weight in `August Red', `Hardispur', and `Starkrimson' was lighter than that in most other strains. `Redspur' and `Starkspur Supreme' had the largest length to diameter (L/D) ratios. `Early Red One' had a similar red skin color rating as `Rose Red.' The red skin color rating of `Early Red One' was significantly higher than that of all other strains. `Hi-Early', `Improved Ryanred', `Redspur', and `Starking' had the poorest skin color ratings. `Hardispur', `Nured Royal', `Silverspur', and `Starkrimson' had high soluble solids concentrations (SSCs) at harvest and after storage. `Early Red One', `Imperial', `Improved Ryan Spur', and `Red King Oregon Spur' had lower SSCs at harvest and after storage. Fruit of `Apex' and `Redspur' had relatively high firmness at harvest, while `Hardispur', `Silverspur', `Starkrimson', and `Starkspur Supreme' had firm fruit at harvest and after storage. `Hardi-Brite Spur' had the softest fruit after storage, and fruit from `Rose Red' had a lower firmness than most other strains at harvest and after storage. Considering cumulative yield, yield efficiency, or some quality parameters, `Apex', `Classic Red', `Improved Ryan Spur', `Red King Oregon Spur', `Silverspur', and `Wellspur' had satisfactory overall performance. Strains are also suggested for planting depending on the market situation and the demand for a particular quality factor. `Hardispur' and `Sturdeespur' (Miller) are not recommended for planting under climatic conditions similar to those of this experiment.