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M. Murshidul Hoque, Husein Ajwa, Mona Othman, Richard Smith, and Michael Cahn

about the effect of various levels of N, P, and K on the postharvest quality of lettuce. With desirable quality at harvest, careful handling, and continuous control of the postharvest environment, lettuce can be successfully marketed to the consumer as

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Robert K. Prange and Jennifer R. DeEll

137 COLLOQUIUM 3 (Abstr. 012–017) Effect of Preharvest Factors on Postharvest Quality

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Esmaeil Fallahi, William S. Conway, Kenneth D. Hickey, and Carl E. Sams

137 COLLOQUIUM 3 (Abstr. 012–017) Effect of Preharvest Factors on Postharvest Quality

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Maria Dolores Muy-Rangel and Marita Cantwell

Poster Session 22—Postharvest Quality: Cross-commodity 19 July 2005, 12:00–12:45 p.m. Poster Hall–Ballroom E/F

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Brian Lawrence and Juan Carlos Melgar

resulted in enhanced flavors and quality attributes, including recent crispy genotypes with improved postharvest performance ( Salgado and Clark, 2016 ). Harvest and handling practices have also improved, as they ultimately affect postharvest quality and

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P.M. Perkins-Veazie, V. Russo, and J.K. Collins

Radicchio, also known as red-leaved chicory (Cichorium intybus L.), is a high value vegetable crop. Few postharvest characteristics have been described for this crop. Five cultivars of radicchio were held at 1 and 10C in plastic boxes or shrink-wrap bags to determine postharvest quality changes. Weight loss was similar at both temperatures for all cultivars. Major quality losses of radicchio held in shrink-wrap or plastic boxes at 1C were caused by leaf browning. Shrink-wrapping prevented leaf shrinkage and bleaching, but enhanced decay at 10C. The respiration rate of radicchio heads held at 1C was initially 7.4 ml· CO2 kg-1 · h-1, then fell to 3 ml CO2 ·k g-1 · h-1 after 7 days of storage at 1C. Respiration at 10C was maintained near 19 ml·k g-1· h-1 through the duration of the experiment. Shrink-wrapped radicchio held at 1C had marketable quality for 5 weeks.

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Leslie A. Weston and M.M. Barth

137 COLLOQUIUM 3 (Abstr. 012–017) Effect of Preharvest Factors on Postharvest Quality

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Qiang Zhu, Monica Ozores-Hampton, Yuncong Li, Kelly Morgan, Guodong Liu, and Rao S. Mylavarapu

to determine the optimum P rate for tomato production based on LTPC, plant growth, fruit yield, and postharvest quality in a calcareous soil. Materials and Methods The study was conducted at the University of Florida (UF)/Institute of Food and

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Liping Kou, Tianbao Yang, Xianjin Liu, and Yaguang Luo

maintain postharvest quality and extend shelf life. Calcium is important for plant growth and development by maintaining and modulating various cellular functions ( Conway et al., 2002 ; Palta, 1996 ). Calcium alters intracellular and extracellular

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Ambani R. Mudau, Puffy Soundy, and Fhatuwani N. Mudau

effect of a wide range of photoselective colored nets on the postharvest quality of baby spinach are lacking in South Africa. Therefore, the aim of this study was to investigate the effect of photoselective nettings on growth, productivity, and