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John R. Clark

primocane-fruiting blackberries. In my discussion, I highlight potential value of primocane-fruiting blackberries, provide background on the origin of this type of fruiting habit, and comment on breeding challenges that have been identified in their early

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Andrew K. Miles, Malcolm W. Smith, Nga T. Tran, Timothy A. Shuey, Megan M. Dewdney and André Drenth

segregating populations would assist in studies of the genetics and heritability of resistance and may support the development of breeding tools such as marker assisted breeding strategies. Exploiting resistance to black spot on citrus fruit requires an

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R. Karina Gallardo, Diem Nguyen, Vicki McCracken, Chengyan Yue, James Luby and James R. McFerson

fruit scion breeding programs and did not consider programs addressing rootstock (one response) and rose (two responses). This reduced the total number of responses to 32. Furthermore, because of the small number of breeding programs having as the main

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David Byrne

Oral Session 14—Fruit Breeding 28 July 2006, 4:15–5:15 p.m. Bayside A Moderator: David Byrne

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Noémi Makovics-Zsohár, Magdolna Tóth, Dezső Surányi, Szilvia Kovács, Attila Hegedűs and Júlia Halász

main purposes of modern plum breeding are climatic adaptation, precocity, high and regular yield, extension of ripening time, high fruit quality, and abiotic and biotic resistance. The genetic variability of accessions was initially based on assessing

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

To be successful, a breeding program has to be able to track all its seedlings at every stage of testing and to ensure that the origin of each seedling product (e.g., fruit) tested is correctly recorded. The Washington State University apple

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Chengyan Yue, R. Karina Gallardo, Vicki A. McCracken, James Luby, James R. McFerson, Lan Liu and Amy Iezzoni

faced when implementing priorities when selecting a trait for inclusion in a breeding program. For all 33 models, the set of independent variables is the same: binary variables for fruit crop type (strawberries, apples, peaches, blackberries, red

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Steven J. McKay, James M. Bradeen and James J. Luby

-incompatibility, high heterozygosity, extended juvenility, and long generation times (e.g., Janick et al., 1996 ). The polygenic nature of many fruit quality traits serves as an additional complicating factor in fruit breeding programs. Fruit texture traits such as

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Hiroshi Iwanami, Shigeki Moriya, Nobuhiro Kotoda, Sae Takahashi and Kazuyuki Abe

been sufficiently evaluated among commercial cultivars, and, at times, it is not considered as a trait for selection in apple breeding, although a cultivar in which the fruit hardly softens is advantageous to the apple market and industry. Crosses

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Hiroko Hamada, Keisuke Nonaka, Terutaka Yoshioka and Masahiko Yamada

the NIFTS Okitsu and Kuchinotsu Citrus Research Stations ( Nishiura, 1964 ). The breeding targets in this program currently focused on fruit traits, such as FW, high SSC, and ease of eating that is determined mainly by EP and FSM. In addition, it is