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Neil O. Anderson, Esther Gesick, Peter D. Ascher, Steven Poppe, Shengrui Yao, David Wildung, Patricia Johnson, Vincent Fritz, Charlie Rohwer, Lee Klossner, Neal Eash, Barbara E. Liedl and Judith Reith-Rozelle

Origin Mammoth™ ‘Twilight Pink Daisy’ ( Fig. 1 ) (Minnesota Sel’n. No. MN98-E90-15; U.S. Plant Patent 14,455; Canadian Plant Breeders’ Rights Certificate No. 4192) is a selection from the progeny of the open-pollinated interspecific cross No. 90

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John E. Preece and Gale McGranahan

the walnut interspecific crosses were made earlier, from 1878 to 1885, and that his first hybrid was in 1878 and was between J. hindsii × J. regia and the next year the first hybrid was obtained from J. hindsii × J. nigra . He further added that

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Esmaeil Fallahi, Bahar Fallahi, Michael J. Kiester and Shahla Mahdavi

. Imai, T. Saito, T. Sawamura, Y. Kotobuki, K. Hayashi, T. Matsuta, N. 2002c Genetic link-age maps constructed by using an interspecific cross between Japanese and European pears Theor. Appl. Genet. 106 9 18 Yamamoto, T. Kimura, T. Soejima, J. Sanada, T

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Neil O. Anderson, Peter D. Ascher, Vincent Fritz, Charlie Rohwer, Steven Poppe, Shengrui Yao, Patricia Johnson, Barbara E. Liedl, Judith Reith-Rozelle, Lee Klossner and Neal Eash

Mammoth™ ‘Dark Bronze Daisy’ ( Fig. 1 ) is the result of three generations of crosses between named cultivars and numbered chrysanthemum seedling parents from 1989 to 1994 after the original interspecific cross between allohexaploid (2 n = 6 x = 54

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Cecil Pounders, Tim Rinehart, Ned Edwards and Patricia Knight

was resistant to powdery mildew, served as the impetus for introgression of L. fauriei into the U.S. National Arboretum breeding program as a source of powdery mildew resistance. No detrimental effects from this interspecific cross on fertility were

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Wenhao Dai, Yuanjie Su, Hongxia Wang and Ceilo Castillo

may impede interspecific crosses; therefore, elite traits cannot be efficiently integrated into newly developed plants ( Rose et al., 2000 ; Tobutt, 1993 ). Transgenic plants have been obtained in many woody species ( Petri and Burgos, 2005 ; Poupin

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David J. Norman, Qi Huang, Jeanne M.F. Yuen, Arianna Mangravita-Novo and Drew Byrne

of interspecific crosses. Fig. 1. Genetic comparison of 61 cultivars of geraniums using amplified fragment length polymorphism. Similarity coefficients displayed across top axis. Cluster A contains regal and scented cultivars. Cluster B

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David O. Okeyo, Jack D. Fry, Dale J. Bremer, Ambika Chandra, Dennis Genovesi and Milton C. Engelke

quality ( Fry et al., 2008 ). These progeny were the result of interspecific crosses made at Texas AgriLife Research-Dallas Urban Solutions Center, most of which involved one parent from Z. japonica and one from a Z. matrella cultivar or ‘Emerald

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Neil O. Anderson, Steven Poppe, Peter D. Ascher, Esther Gesick, Shengrui Yao, David Wildung, Patricia Johnson, Vincent Fritz, James Hebel, Lee Klossner, Neal Eash, Barbara E. Liedl and Judith Reith-Rozelle

.S. Plant Patent 15,027; Canadian Plant Breeders’ Rights Certificate No. 2951) is a descendant of the 1989 open-pollinated interspecific cross No. 90-287 ( Anderson et al., 2008 ) between two allohexaploid (2 n = 6 x = 54) species, C. weyrichii (Maxim

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Richard L. Bell

controlling the trait. Pasqualini et al. (2006 ) did not find high levels of resistance in many selections from some interspecific crosses involving NY 10353 and NY 10355 and observed that transmission of resistance depended on the parental combination. They