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

Hyang Young Joung; Hae Ryong Cho; Ju Hee Rhee; Hak Ki Shin; Sang Kun Park

doi:10.7235/hort.2015.14199

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2015 Vol.33, Issue 4 Preview Page

Breeding of a Multi-flowering and Early-flowering White Calla Lily Cultivar ‘White Cutie’ Resistant to Soft Rot Disease 절화수량이 우수한 무름병 저항성 조생 백색칼라 ‘White Cutie’ 육성

31 August 2015. pp. 618-623

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Abstract

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.

Keywords

field resistance

leaf disk resistance test

multi-flowering

Pectobacterium carotovorum subsp. carotovorum

국립원예특작과학원에서는 무름병에는 감수성이지만 다화성인 ‘Childsiana’ 품종과 무름병에 강하지만 절화수량이 적은 ‘Wedding March’ 품종을 각각 모본과 부본으로 인공 교배하여 얻은 실생계통으로부터 2005년부터 2011년까지 구근양성 및 생육개화특성검정, 무름병저항성 검정, 소비자기호도 평가를 수행하여 2011년 무름병 저항성 백색칼라 신품종 ‘White Cutie’를 육성하였다. 백색(RHS W155C) 화색의 ‘White Cutie’는 화포의 길이와 폭이 각각 8.6cm, 8.7cm인 중형 품종이다. 개화소요일수가 85.6일로 짧은 조기개화성 품종으로, 연간 채화수량도 주당 6.2개 정도로 많은 다화성 품종이다. 무름병 저항성 품종으로 구근증식량(13.4개/주) 매우 우수하고 소비자기호도가 높다.

키워드

포장저항성

잎절편검정

다화성

Pectobacterium carotovorum subsp. carotovorum

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Information

Publisher :KOREAN SOCIETY FOR HORTICULTURAL SCIENCE
Publisher(Ko) :한국원예학회
Journal Title :Horticultural Science and Technology
Journal Title(Ko) :원예과학기술지
Volume : 33
No :4
Pages :618-623
Received Date : 2014-12-21
Revised Date : 2015-03-25
Accepted Date : 2015-04-01
DOI :https://doi.org/10.7235/hort.2015.14199

Horticultural Science and Technology 원예과학기술지 ISSN:1226-8763(Print) 2465-8588(Online)

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