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Seth D. Wannemuehler, James J. Luby, Chengyan Yue, David S. Bedford, R. Karina Gallardo, and Vicki A. McCracken

of cost-savings calculators for each unique case. This study develops and applies a dynamic cost estimation tool to examine impacts from technology changes, such as MAS application, in the University of Minnesota (UMN) apple breeding program. We

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Kate Evans, Lisa Brutcher, Bonnie Konishi, and Bruce Barritt

fruit quality is a major part of any apple breeding program, and breeders are constantly searching for methods to help measure these important traits. To date, sensory analysis is by far the most preferred form of testing for crispness; however, there is

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Soon Li Teh, Lisa Brutcher, Bonnie Schonberg, and Kate Evans

), as well as reliance on experienced/trained panelists. Since its inception in 1994, the Washington State University apple breeding program (WABP) has amassed fruit textural data (i.e., instrumental measurements and sensory assessment) through routine

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Lidia Lozano, Ignasi Iglesias, Diego Micheletti, Michela Troggio, Satish Kumar, Richard K. Volz, Andrew C. Allan, David Chagné, and Susan E. Gardiner

analysis is a trial of the application of a low-throughput multiplexed SNP assay in an apple breeding population. The panel of 384 SNPs used for the assay had been previously validated in ‘Golden Delicious’ apple using the lower-throughput 48-plex SNPlex

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Kate M. Evans, Lisa J. Brutcher, and Bonnie S. Konishi

.J. Konishi, B.S. Barritt, B.H. 2010 Correlation of sensory analysis with physical textural data from a computerized penetrometer in the Washington State University apple breeding program HortTechnology 20 1026 1029 Kuti, C. Lang, L. Bedo, Z. 2004 Use of

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S. Khanizadeh, Y. Groleau, J.R. DeEll, J. Cousineau, R. Granger, and G. Rousselle

The objectives of the Québec apple breeding program are to develop hardy and disease-resistant varieties for the production of juice and cider and/or varieties with an excellent fruit quality and long shelf-life. Almost 90% of the research in apple breeding is funded by a Partnership Program, in which the partners cover ≈50% of the research costs. The short-term objectives of the program are to evaluate the existing genotypes at the AAFC Frelighsburg sub-station and name worthy selections, remove unworthy material, and transfer potentially interesting genotypes to other AAFC research stations for further evaluations. Three selections—SJC7713-1, SJC686-1, and O-5410—are very hardy, scab-resistant, and have good yields of pleasantly flavored fruit, which can be stored long-term while retaining good quality. Selections SJCA14R3A108 and SJCA36R7A87 are not scab-resistant, but they are hardy, and the fruit have an excellent flavor, store very well for >5 months, and have a flesh that does not darken after cutting. The above selections are currently being evaluated for use by commercial growers. Selections SJC7172-1 and SJC7911-1, along with four crabapple genotypes, are of potential interest to home gardeners.

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Curt R. Rom, Roy C. Rom, and James N. Moore

The Arkansas apple breeding program began in 1966 with objectives to develop high quality, dual purpose, adapted cultivars with a range of harvest dates and resistance to spring diseases. The program has two goals: 1) to develop red colored apples which are large, tart, firm and ripen between June and August; and, 2) develop yellow apples as a replacement for `Golden Delicious' which are large, typey, without russet and with a range of maturities from July through September. Apples with commercial potential are AA-18 (red, ripens 1-July), AA-44 (red, ripens 15-July), AA-58 (yellow, ripens 29-Aug.), AA-65 (yellow, ripens 11-Sept.) and AA-62 (yellow, ripens 15-Sept.). Data on time of bloom, harvest, fruit size, and fruit storage tests will be presented.

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Chunyu Zhang, Xuesen Chen, Hongwei Song, Yinghai Liang, Chenhui Zhao, and Honglian Li

Apple ( Malus pumila ) is a fruit crop of major economic importance. In worldwide apple breeding efforts, apple breeders typically intercross elite or commercial cultivars, such as Red Delicious, Golden Delicious, and Jonathan, which results in

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Chengyan Yue, R. Karina Gallardo, James Luby, Alicia Rihn, James R. McFerson, Vicki McCracken, David Bedford, Susan Brown, Kate Evans, Cholani Weebadde, Audrey Sebolt, and Amy F. Iezzoni

( Barritt, 1999 ). Apple breeding programs’ impact on stakeholders could be enhanced through the development of cultivars improved for the traits of most value to all members of the supply chain (producers, market intermediaries, and consumers). This study

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Jules Janick