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The new white calla lily (Zantedeschia aethiopica) cultivar ‘White Cutie’ was bred at the National Institute of Horticultural & Herbal Science (NIHHS) in 2011. ‘Childsiana’ showing the multi-flowering characteristic and ‘Wedding March’ resistant to soft rot disease were artificially crossed in 2004. Of the progeny, ‘White Cutie’ was selected specifically for use in cut flower production after investigation over seven years (2005 to 2011) of genetic and phenotypic characteristics, resistance against soft rot, and customer preference regarding the culture vigor and post-harvest quality. ‘White Cutie’ was early flowering (85.6 days to flowering) with white flowers (RHS W155C), although it had a mid-sized flower in which spathe height and width were 8.6 cm and 8.7 cm, respectively. It was multi-flowering (6.2 flowers per plant) and produced a very high number of cormels (13.4 per plant). Furthermore, it was resistant to soft rot disease. Additional key words: field resistance, leaf disk resistance test, multi-flowering, Pectobacterium carotovorum subsp. carotovorum *Corresponding author: theodds@korea.kr ※ Received 21 December 2014; Revised 25 March 2015; Accepted 1 April 2015.   2015   ( : PJ01006204)    . C 2015 Korean Society for Horticultural Science   (Zantedeschia spp.)      ,     .  Z. albomaculata, Z. rehmannii, Z. elliottiana     ,        ,    .    Z. aethiopica            (Funnell, 1993; Kuehny, 2000).  Z. ordorata   , Z. ordorata     Z. aethiopica             Z. aethiopica  (Singh et al., 1996; Snijder et al., 2004a).                 , 2013    6,530 /      .             2002 26ha   2013 12ha 10   (MAFRA, 2013). Pectobacterium carotovorum subsp. carotovorum(= Erwinia carotovora subsp. carotovora)    , , , ,  619    ,         (Fig. 1).             ,    .           ,  2    ()             (Joung et al., 2013).                     .       Snijder et al.(2004b) Cho(2010)    ‘Crowbrough’, ‘Wedding March’       , Ni et al.(2009)  extracellular enzyme  culture filtrate            .           (Nuttall and Jasmin, 1958), , ,            (Darling et al., 2000; Ren et al., 2001; ZimnochGuzowska et al., 2000). Snijder et al.(2004b)      , Z. aethiopica, Z. rehmannii, Z. albomaculata                     .   Cho et al.(2014)       ‘Silky White’ ‘Monc Blanc’    .        Z. aethiopica ‘Childsiana’   Z. aethiopica ‘Wedding March’             .

Breeding of a Multi-flowering and Early-flowering White Calla Lily Cultivar ‘White Cutie’ Resistant to Soft Rot Disease