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Thomas H. Boyle

Rhipsalidopsis (Easter cactus) and Schlumbergera (Thanksgiving and Christmas cactus) are two genera of epiphytic cacti endemic to southeastern Brazil. Rhipsalidopsis is comprised of two species (R. gaertneri and R. rosea) and Schlumbergera contains five species (S. opuntioides, S. obtusangula, S. orssichiana, S. russelliana, and S. truncata). There is considerable potential for the improvement of commercial cultivars in both genera. Flower color and form, plant habit, postharvest performance, and the responsiveness to floral induction treatments are selection criteria used in breeding of Rhipsalidopsis. The selection criteria used in breeding of Schlumbergera are flower color and form, growth rate, phylloclade size and shape, plant habit, and the critical daylength for flowering. Inbreeding depression, self-incompatibility, and a long generation time (1.5 to 3 years) are impediments to breeding in both genera. Interspecific hybridization has been performed in Rhipsalidopsis and Schlumbergera, and significant phenotypic variation has been observed within interspecific hybrid populations.

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M. Joseph Stephens, Peter A. Alspach, Ron A. Beatson, Chris Winefield, and Emily J. Buck

. idaeus ssp. vulgatus. Since ‘Meeker’ was released, a number of breeding programs have developed new red raspberry types for machine-harvest ( Kempler et al., 2006 , 2007 ; Moore and Finn, 2007 ). Nevertheless, ‘Meeker’ still remains the dominant

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Martha A. Mutschler, Jian Hua Xiong, Ahmed Wally, and Ricardo Lobato-Ortiz

Oral Session 4—Vegetable Breeding 1 Moderator: J. Brent Loy 18 July 2005, 4:00–5:30 p.m. Ballroom G

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Mirmahsud M. Mirzaev, Uri M. Djavacynce, David E. Zaurov, Joseph C. Goffreda, Thomas J. Orton, Edward G. Remmers, and C. Reed Funk

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Mark E. Herrington, Craig Hardner, Malcolm Wegener, Louella Woolcock, and Mark J. Dieters

The Queensland strawberry breeding program aims to sustainably increase profitability for the producer by selecting superior genotypes. To be effective and efficient, selection must account for several traits simultaneously and focus on: 1) the most

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

backbone of numerous U.S. and Canadian rural communities. Rosaceous crop breeding programs have a long history of introducing cultivars with superior characteristics for production, pest and disease resistance, postharvest handling and storage, sensory

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Paul Lyrene

An Introduction to Plant Breeding . Jack Brown and Peter Caligari. 2008. Blackwell Publishing, 9600 Garsington Road, Oxford OX4 2DQ, UK. 209 p. $69.00, paperback. ISBN: 978-1-4051-3344-9. I really wanted to like this book. Well-written books

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Bhimanagouda S. Patil, Kevin Crosby, David Byrne, and Kendal Hirschi

resistance. The improvement of food security to improve human health requires a paradigm shift in plant breeding to integrate nutrition ( DellaPenna, 1999 ). This will require coordination of scientists involved in plant breeding, human health, and

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Valdomiro A.B. de Souza, David H. Byrne, and Jeremy F. Taylor

1 Current address: EMBRAPA/CPAMN, Cx. Postal 1, Teresina, PL, Brazil. This paper represents a portion of a PhD dissertation in plant breeding submitted by the senior author. The cost of publishing this paper was defrayed in part by the payment of

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P.C. St. Amand and D.R. La Bonte

A user-friendly, menu driven, database program was developed to facilitate storage, retrieval, and manipulation of data associated with a sweetpotato breeding program. The database is written in FoxBASE+ for IBM and compatible personal computers. The database consists of a variety of test options with statistical capabilities for analysis of raw test data for commonly evaluated factors used to screen sweetpotato selections. The database also contains options which permit the user to query the stored data. An important feature is the summarization of test data for individual selections based on all the tests it has been entered into. Overall means, SDs and comparisons with user specified checks are listed in a printout for each factor along with morphological descriptors, parentage, and a note section. The database also assists the user in field research through recording of plot plans, data collection forms and related data query options.