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John R. Stommel and Robert J. Griesbach

. Immature fruit are black and mature to red. G02C17 is a progenitor of the ornamental pepper cultivar Black Pearl ( Stommel and Griesbach, 2005 ). The respective populations were developed by crossing greenhouse-grown plants using standard emasculation

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C.B. Watkins, J.E. Manzano-Mendez, J.F. Nock, J. Zhang, and K.E. Maloney

The tolerances of strawberry fruit to postharvest CO2 treatments is an important factor in assessing their potential for extended storage and marketing, but little information on variation among cultivars is available. We have assessed differences in responses of seven strawberry cultivars (`Annapolis', `Earliglow', `Kent', `Honeoye', `Cavendish', `Jewel', and `Governor Simcoe') to high-CO2 atmospheres. Fruit were harvested at the orange or white tip stage of ripeness, kept in air, or 20% CO2 (in air), and sampled after 1, 2, or 7 days for analysis of firmness, color, and volatile concentrations. Berries from each cultivar were collected on three separate harvest dates. Flesh firmness measurements of all cultivars tested were higher when treated with high CO2, but the degree of firming was affected by cultivar and assessment time. For example, firmness of `Annapolis', `Earliglow', `Honeoye', and `Jewel' was consistently enhanced by CO2, compared with air, during storage. In contrast, firmness of `Kent' was not affected by treatment after 1 day of storage and benefits were relatively slight at each subsequent removal. Red color development of the fruits was affected by cultivar and treatment period, but not by CO2 treatment. Volatile accumulation varied greatly among cultivars. `Annapolis' for example, appears very tolerant of high-CO2 treatment levels as indicated by low accumulations of ethanol, acetaldehyde, and ethyl acetate in the fruit. In contrast, `Kent' and `Governor Simcoe' accumulated large amounts of these compounds. This study indicates that differences in cultivar responses to CO2 should be considered by growers planning to store fruit under these conditions to extend marketing options. Research supported in part by the North American Strawberry Growers Association.

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Alfonso Guevara, María Nicolás-Almansa, José Enrique Cos, Juan Alfonso Salazar, Domingo López, José Egea, Antonio Carrillo, Manuel Rubio, Federico García, and David Ruiz

cultivar Red Beaut and a little greater than the reference cultivar Santa Rosa ( Table 1 , Fig. 1 ). ‘victoria myrtea’ bears large and slightly flattened fruit with an average weight of 87.6 g and an equatorial section of 55.9 mm, which is larger than the

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Juan Carlos Díaz-Pérez, Kelly St. John, Mohammad Yamin Kabir, J. Alberto Alvarado-Chávez, Ania M. Cutiño-Jiménez, Jesús Bautista, Gunawati Gunawan, and Savithri U. Nambeesan

( FW o ) used were 125.2 g (unshaded), 128.5 g (black), 150.1 g (red), 161.3 (silver), and 165.4 (white). Fruit color. Postharvest attributes (except transpiration) were measured in 20 mature green fruit per treatment (five fruit per plot). Fruit skin

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Chad E. Finn and John R. Clark

. Origin: USDA-ARS, Byron, GA, by W.R. Okie. Sunprince × BY87P943; tested as BY96P2634; introd. 2006. Fruit: larger than Cresthaven; more red color than Sunprince or Cresthaven, 70% to 80% bright red with an attractive yellow ground color; little

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Chunxian Chen and William R. Okie

ground color early but can be left firm on the tree several days to increase in size and red blush color. At maturity, the surface is ≈90% bright red with an attractive yellow ground color and little pubescence. The more extensive red blush of ‘Rich Joy

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Jose X. Chaparro, Patrick J. Conner, and Thomas G. Beckman

al., 1990 ) suggests that a 400 chill unit variety like ‘GulfAtlas’ would fruit well at a location where the coldest month averaged 12 to 14 °C ( Sharpe et al., 1990 ), i.e., in a band starting a little south of Attapulgus to around the latitude of

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Brian Makeredza, Helen Marais, Michael Schmeisser, Elmi Lötze, and Willem J. Steyn

less severe the sunburn browning and bleaching on an affected fruit is likely to appear, irrespective of the underlying damage to the peel. Although red color development may mask underlying sunburn symptoms, some sources argue that the accumulation of

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Soon-Il Kwon, Jeong-Hee Kim, Sun-Ae Kim, Young-Soon Kwon, and Jinwook Lee

storability and marketability. In addition, fruit are very attractive and flavorful. ‘RubyS’ cultivar is higher in fruit weight and yield than ‘Alpsotome’. Fruit shape and overall peel color coverage of ‘RubyS’ are ‘conic’ and ‘red’, respectively. Moreover

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A. Maaike Wubs, Ep Heuvelink, Leo F.M. Marcelis, Gerhard H. Buck-Sorlin, and Jan Vos

/730-nm Skye sensor, respectively, at three positions per plot. Weather was cloudy with little natural radiation and assimilation light was switched on. Expt. III: Manipulating light intensity and red:far-red ratio by application of neutral shading paper