Evaluation of Major Fruit Traits in Progenies Derived from a Cross between 'Tano Red' and 'Ruby Seedless' Grapevines (Vitis spp.)
2017
Cho, K.H., National Institute of Horticultural and Herbal Science, Wanju, Republic of Korea | Hur, Y.Y., National Institute of Horticultural and Herbal Science, Wanju, Republic of Korea | Nam, J.C., National Institute of Horticultural and Herbal Science, Wanju, Republic of Korea | Park, S.J., National Institute of Horticultural and Herbal Science, Wanju, Republic of Korea | Kim, S.H., National Institute of Horticultural and Herbal Science, Wanju, Republic of Korea | Han, J.H., National Institute of Horticultural and Herbal Science, Wanju, Republic of Korea | Lee, H.C., National Institute of Horticultural and Herbal Science, Wanju, Republic of Korea | Jo, S.H., SEEDERS Inc. Deajeon, Republic of Korea
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.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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