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Chris Gottschalk and Steve van Nocker

/alleles that govern timing of bloom, and that could add versatility to production systems for apple, we sought to establish the extent of natural variation seen in bloom time throughout the genus Malus . An extensive collection of Malus species, hybrids, and

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D. Michael Glenn and Carole Bassett

population of Malus sieversii . Materials and Methods Irrigated ‘Empire’/‘M.7A'were planted at a density of 500 trees/ha in 1992 at the USDA/ARS Appalachian Fruit Research Station, Kearneysville, WV (lat. 39.3 N, long. 77.9 W, elevation 175 m). In all years

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Alison A. Stoven, Hannah M. Mathers, and Daniel K. Struve

Department of Agriculture. Species used in this study: Acer xfreemanii `Jeffersred' (Autumn Blaze® maple), Cercis canadensis L. (Eastern redbud), Malus `Prairifire' (Prairifire crabapple), Quercus rubra L. (Northern red oak)

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Khalil R. Jahed and Peter M. Hirst

hand-pollinated using one of three pollen sources: crabapple [‘Ralph Shay’ (2013) and Malus floribunda (2014)], ‘Delicious’ and ‘Golden Delicious’. Since ‘Ralph Shay’ crabapple was found to be a poor pollinizer of ‘Honeycrisp’ in 2013, it was replaced

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Shanthanu Krishna Kumar, Nathan Wojtyna, Laura Dougherty, Kenong Xu, and Gregory Peck

Although fresh market apples comprise the majority of global apple ( Malus ×domestica ) production, cider apples have been of particular interest recently because their higher acidity and tannin content (a group of polyphenols with bitterness and

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P. Lawrence Pusey, David R. Rudell, Eric A. Curry, and James P. Mattheis

exudates. Materials and Methods Extraction procedure. Stigma exudates were collected from flowers of pear ( Pyrus communis L.) and apple ( Malus pumila P. Mill.) in 2003 and 2004. Tree cultivars were ‘Anjou’ and ‘Bartlett’ pear and ‘Fuji

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Kanin J. Routson, Gayle M. Volk, Christopher M. Richards, Steven E. Smith, Gary Paul Nabhan, and Victoria Wyllie de Echeverria

Wild apple species ( Malus Mill.) are native throughout temperate climes of Asia, Europe, and North America ( Brown, 2012 ; Luby, 2003 ). They offer promising sources of genetic diversity for apple breeding ( Brown, 2012 ) and also provide a

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Wanmei Jin, Qiang Zhang, Sunzhong Liu, Qinping Wei, Wanmei Jin, Zongming Cheng, Xiaohui Xue, and Tingzhen Yang

Apple ( Malus × domestica ) is one of the major economically important fruit tree species in the world. The past 20 years saw rapid development of intensive and efficient cultivation technology in dwarf rootstocks in Europe, North America

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Keiko Sekido, Yusaku Hayashi, Kunio Yamada, Katsuhiro Shiratake, Shogo Matsumoto, Tsutomu Maejima, and Hiromitsu Komatsu

Apples ( Malus × domestica Borkh.) are produced commercially in most temperate countries not only for fresh use, but also for processed goods such as juice and in slices as an ingredient for cakes, pies, and tarts. ‘Fuji’, ‘Shinano Sweet’, ‘Orin

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Hatsuhiko Okada, Yoshitaka Ohashi, Mamoru Sato, Hideyuki Matsuno, Toshiya Yamamoto, Hoytaek Kim, Tatsuro Tukuni, and Sadao Komori

Guilford, P. Prakash, S. Zhu, J.M. Rikkerink, E. Gardiner, S. Bassett, H. Forster, R. 1997 Microsatellites in Malus × domestica (apple): Abundance, polymorphism and cultivar identification Theor