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Janine R. Conklin and James C. Sellmer

. ‘Columnare’, ‘Emerald Queen’, and the species produced many flowers and seeds for 1 year. These observations on cultivar differences agree with similar studies on the butterfly bush ( Buddleja ), barberry ( Berberis ), miscanthus ( Miscanthus ), and mexican

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Lauren E. Kurtz, Mark H. Brand, and Jessica D. Lubell-Brand

tetraploids of Japanese barberry. Table 2. Percent emergence and number of tetraploid and mixoploid plants produced from treating pregerminated seeds of five hemp cultivars with 0.05% colchicine for 12 h. Parsons et al. (2019) reported that the ploidy of

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Janine R. Conklin and James C. Sellmer

’, ‘Greenlace’, ‘Reitenbachii’, ‘Summershade’, ‘Superform’, and the species did not germinate over the 3-year study ( Fig. 2, A and B ). Comparable variation in germination among cultivars has been reported for barberry ( Berberis ) and buckthorn ( Rhamnus

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Todd J. Rounsaville, Darren H. Touchell, Thomas G. Ranney, and Frank A. Blazich

Improved’ HortScience 45 801 804 Hibberd, S. 1862 The floral world and the garden guide Volume 5 163 Groombridge and Sons London Karhu, S. Hakala, K. 1990 Rooting in vitro of micropropagated barberry ( Berberis thunbergii ) shoots Ann. Agr. Fenn. 29 179 185

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Jonathan D. Mahoney, Thao M. Hau, Bryan A. Connolly, and Mark H. Brand

. 2003 Apomixis: A developmental perspective Annu. Rev. Plant Biol. 54 547 574 Lehrer, J.M. Brand, M.H. Lubell, J.D. 2008 Induction of tetraploidy in meristematically active seeds of Japanese barberry ( Berberis thunbergii var. atropurpurea ) through

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Dewayne L. Ingram, John M. Ruter, and Chris A. Martin

. However, the degree of susceptibility differs with species and RZT treatment methods, including length of daily exposure. Berberis thunbergii DC. ‘Atropurpurea’ (‘Atropurpurea’ barberry), Pinus eldarica Medu. (Afghan pine) and Buxus mirophylla

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Kelly J. Vining, Ryan N. Contreras, Martin Ranik, and Steven H. Strauss

., 2009 ). Lehrer et al. (2008) treated meristematically active seeds of Berberis L. (barberry) with oryzalin to develop tetraploids. Rounsaville and Ranney (2010) confirmed induced polyploids of barberry were tetraploid; however, the method of

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Amanda J. Hershberger, Tracie M. Jenkins, and Carol Robacker

( Cervantes-Flores et al., 2008 )], pecan [ Carya illinoinensis ( Beedanagari et al., 2005 )], Rhododendron sp. ( Chappell et al., 2008 ), barberry [ Berberis thunbergii ( Lubell et al., 2009 )], and Lactuca sp. ( Koopman et al., 2001 ). AFLP markers

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Mohammad Majdi, Ghasem Karimzadeh, Mohammad A. Malboobi, Reza Omidbaigi, and Ghader Mirzaghaderi

Lehrer, J.M. Mark, H.B. Jessica, D. 2008 Lubell induction of tetraploidy in meristematically active seeds of Japanese barberry ( Berberis thunbergii var. Atropurpurea) through exposure to colchicine and oryzalin Sci. Hort

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Youping Sun, Liqin Li, Yuxiang Wang, and Xin Dai

(japanese barberry) ( Chen et al., 2017 ), Diervilla rivularis (mountain bush-honeysuckle), Forsythia × intermedia ‘Mindor’ (border forsythia) ( Liu et al., 2017 ), Salvia farinacea ‘Henry Duelberg’ (‘Henry Duelberg’ salvia), Verbena × hybrida