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Evaluation of Major Fruit Traits in Progenies Derived from a Cross between ‘Tano Red’ and ‘Ruby Seedless’ Grapevines(Vitis spp.)
포도 ‘Tano Red’와 ‘Ruby Seedless’ 교배 후대에서의 주요 과실 형질에 대한 평가
Korean J. Breed. Sci. 2017;49(4):324-333
Published online December 1, 2017
© 2017 Korean Society of Breeding Science.

Kang Hee Cho1*, Youn Young Hur1, Jong-Chul Nam1, Seo Jun Park1, Se Hee Kim1, Jeom Hwa Han1, Han Chan Lee1, Sung-Hwan Jo2
조강희1*, 허윤영1, 남종철1, 박서준1, 김세희1, 한점화1, 이한찬1, 조성환2

1Fruit Research Division, National Institute of Horticultural and Herbal Science, Wanju-gun 55365 Korea2SEEDERS Inc. Deajeon 34015, Korea
1국립원예특작과학원 과수과, 2㈜씨더스
Abstract
In this study, phenotypic distribution of 15 major fruit quality traits were analyzed using 252 progenies derived from a cross between ‘Tano Red’ (seed) and ‘Ruby Seedless’ (seedless), to obtain basic data for improving the breeding efficiency of grapevine cultivars. Berry skin color was dark red-violet in 46.4% of the progenies, which is the color of ‘Tano Red’ and ‘Ruby Seedless’, and berry shape was elliptic in 48.4%. Most of the progenies were very juicy with soft flesh, and closely related to the characteristics of ‘Tano Red’. Seeds were well developed in 67.1% of the progenies, rudimentary in 30.1%, and 2.8% were seedless, with seed weight being less than 0.15 g in 84.9% of the progenies. Among the 15 fruit quality traits assessed, bunch density, ease of berry detachment from pedicel, berry weight, berry seed number, berry longitudinal diameter, berry transverse diameter, berry soluble solids, and berry acidity showed normal distributions. Heritability of berry weight, berry longitudinal diameter, berry transverse diameter, berry soluble solids, and berry acidity was 0.89, 0.82, 0.78, 0.86, and 0.93, respectively. Berry weight was positively correlated with seed weight (r = 0.486**), presence of seeds (r = 0.483**), and seed number (r = 0.211**). Seed weight significantly increased with presence of seeds (r = 0.607**) and seed number (r = 0.725**). In addition, presence of seeds was positively correlated with seed number (r = 0.319**). These results could be useful for the identification of quantitative trait loci associated with fruit quality to assist in grapevine breeding.
Keywords : Grapevine, Fruit character, Evaluation, Correlation, Progeny


September 2018, 50 (3)
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