New Germplasm for Breeding: Pink-flowered and White-fruited Strawberry

Abstract

Most strawberry plants have white flowers and red fruit. We developed a new strawberry selection with pink flowers and white fruit, and named it G23. Basic phenotypic data were recorded over years of observation and experimentation with the flower crown diameter, petal color, and rate of fruit set, as well as fruit skin color, flesh color, seed color and attachment status, fruit weight and shape, soluble solids contents, and firmness. We found that G23 bloomed with a stable pink flower and produced white fruit consistently with a relatively high fruit-set rate compared with its female parent, ‘Pink Panda’. G23 displayed high resistance to Fusarium wilt (Fusarium oxysporum) and anthracnose (Colletotrichum spp.). It is also tolerant of high temperatures (up to 40 °C) and long-term drought. The asexual propagation ability of G23 is high, with ∼60 to 100 stolon ramets formed during the summer. In summary, this new pink-flowered and white-fruited strawberry germplasm is suitable for ornamental use, as a result of its remarkable flowering and fruiting characteristics. In addition, it provides opportunities for innovative strawberry germplasm for future breeding.

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“…A pink-flowered strawberry cultivar is shown in Figures 5C,D. As eye catchers, the red-flowered and pink-flowered strawberries with unique flower morphological characteristics (e.g., semi-double flowers in succession), diverse petal colors (i.e., covers the whole red series, flower colors range from light pink to deep red), relatively long florescence, strong ability to reproduce, edible and ornamental values are "add flowers to the brocade" for HFG, commanding a markedly higher selling price and economic value distinguished from common white-flowered strawberry varieties (Xue et al, 2016;Ding et al, 2019;Xue et al, 2019;Guan et al, 2023). Actually, there is an immense market potential for ornamental strawberries in the post-epidemic era (Guan et al, 2023).…”

“…As eye catchers, the red-flowered and pink-flowered strawberries with unique flower morphological characteristics (e.g., semi-double flowers in succession), diverse petal colors (i.e., covers the whole red series, flower colors range from light pink to deep red), relatively long florescence, strong ability to reproduce, edible and ornamental values are "add flowers to the brocade" for HFG, commanding a markedly higher selling price and economic value distinguished from common white-flowered strawberry varieties (Xue et al, 2016;Ding et al, 2019;Xue et al, 2019;Guan et al, 2023). Actually, there is an immense market potential for ornamental strawberries in the post-epidemic era (Guan et al, 2023). With a history of over 60 year efforts in modern ornamental strawberry breeding, breeders have successfully developed a broad assortment of pink-flowered and red-flowered strawberry cultivars with independent intellectual property rights (Mabberley, 2002;Khanizadeh et al, 2010;Xue et al, 2015;Ding et al, 2019;Bentvelsen and Vange, 2021;Yue et al, 2022;Guan et al, 2023).…”

“…Actually, there is an immense market potential for ornamental strawberries in the post-epidemic era (Guan et al, 2023). With a history of over 60 year efforts in modern ornamental strawberry breeding, breeders have successfully developed a broad assortment of pink-flowered and red-flowered strawberry cultivars with independent intellectual property rights (Mabberley, 2002;Khanizadeh et al, 2010;Xue et al, 2015;Ding et al, 2019;Bentvelsen and Vange, 2021;Yue et al, 2022;Guan et al, 2023). For instance, ABZ Seeds, a Dutch breeding company dedicated to the development of F1 hybrid seed-propagated strawberry cultivars, has delved into ornamental strawberry breeding and released a series of superior ornamental strawberry varieties full of aesthetic morphological attributes, such as "Summer Breeze Cherry Blossom", "Summer Breeze Rose", "Gasana" and "Toscana" in the market (Bentvelsen and Bouw, 2006;Bentvelsen and Vange, 2021).…”