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Eun Young Nam, Ji Hae Jun, Kyeong Ho Chung, Jung Hyun Kwon, Seok Kyu Yun, Ik Koo Yun and Kang Hee Cho

limited genetic variability typically available to the breeder ( Hadley and Openshaw, 1980 ; Kester et al., 1991 ). Interspecific crosses are a valuable tool to enlarge the gene pool and to develop new cultivars with good quality, good functional

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Richard J. Henny and J. Chen

Aglaonema ‘Mondo Bay’ is a selection (hybrid #742-3) from an interspecific cross of A. commutatum Schott ‘Treubii’ with A. nitidum Curtisii. ‘Mondo Bay’ was selected from a hybrid population of 87 plants because of its vigor, excellent basal shoot

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Dale T. Lindgren and Daniel M. Schaaf

28 1194 1195 Lindgren, D. 2006 List and description of named cultivars in the genus Penstemon University of Nebraska Cooperative Extension EC1255 Lindgren, D.T. Schaaf, D.M. 2007 Penstemon: A summary of interspecific crosses Hort-Science 42 494 498

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Elliot H. Norden, Paul M. Lyrene and Jose X. Chaparro

southwestern British Colombia, all species in the section are native to eastern North America ( Vander Kloet, 1988 ). The species in section Cyanococcus are closely related. Homoploid interspecific crosses are easy to make, and thousands of vigorous, fertile

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Dario J. Chavez, Eileen A. Kabelka and José X. Chaparro

433 441 Contin, M. Munger, H.M. 1977 Inheritance of powdery mildew resistance in interspecific crosses with Cucurbita martinezii HortScience 12 397 (abstract). Donahoo, R.S. Kousik, C.S. Thies, J.A. 2009 Response of US Cucumis melo Plant

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Ming Cai, Ke Wang, Le Luo, Hui-tang Pan, Qi-xiang Zhang and Yu-yong Yang

et al. (2001) . Other interspecific crosses between H . macrophylla and H . arborescens or H . macrophylla and H. quercifolia failed because of postzygotic barriers. The putative hybrid seedlings died at the cotyledonary stage or the first

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Phillip D. Griffiths, Laura Fredrick Marek and Larry D. Robertson

. oleracea , it will be important to determine the presence and frequency of Xcc resistance not just within cultivated Brassica vegetables, but also within related crucifer accessions. Resistance may then be exploited through interspecific crosses of B

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Qijing Zhang and Dajun Gu

Amygdalus . Evidence from interspecific crosses also supports the classification of subgenus Lithocerasus as distinct from subgenus Cerasus and suggests that subgenus Lithocerasus is more closely related to subgenus Prunophora . For example, members

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Ebrahiem M. Babiker, Stephen J. Stringer, Barbara J. Smith and Hamidou F. Sakhanokho

of responses among the southern highbush accessions after inoculation with an isolate of T. minima . Most of the tested accessions were rated susceptible to T. minima , and progeny of interspecific crosses of V. pallidum with V. elliottii and V

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John W. Scott, Stephen M. Olson and Jerry A. Bartz

interspecific cross. International Symposium on Tospoviruses and Thrips of Floral and Vegetable Crops, Taichung, Taiwan, Nov. 7–11, 1995 Acta Hort. 43 385 392