优质耐贮草莓新品种海丽姬的选育

Hailiji,a new strawberry cultivar with high quality and storability

海丽姬是由甜查理与章姬杂交选育而成的优质耐贮草莓新品种。株型紧凑,果实长圆锥形、整齐,平均单果质量23 g,果形指数2.04;果面鲜红有光泽、着色一致、表面平整,香味淡。果肉红色、肉质硬脆、甜酸适口、果实硬度0.39kg·cm^(-2)。整个采收期内可溶性固形物含量(w)10.5%~14.0%,果实成熟采收期5~6个月,在上海地区9月上旬定植,11月中旬成熟。匍匐茎抽生能力中等。较抗草莓白粉病,对灰霉病有一定抗性。货架期一般3~7 d。适合上海及长江流域地区设施栽培。

Hailiji is a new strawberry cultivar selected in 2021 from a progeny of the cross between Sweet Charlie and Akihime made in 2014.Those two cultivars were used as parents mainly because of its long shelf life and good fruit quality.Hailiji was evaluated for nine years(2014 to 2021)in evaluations in Shanghai and other nearby regions of the Southeastern China.The most extensive testing was done in Shanghai,where it was planted in replicated trials with Sweet Charlie and Akihime as control cultivars.From 2015 to 2021,three 200-plant plots were established each year in mid-September in a randomized complete block design.The plants are really vigous and compact.The plants have a mean height of 174.4 mm and a mean canopy diameter of 49 mm.The leaves are large with dark green color.The first inflorescences commonly have more than 16 flowers and the ratio of harvest fruits to flowers is above 89.5%.The first-grade fruits ripen in mid-November in Shanghai,14 to 16 d earlier than that in Akihime.The duration of harvest is about 6 months.The fruit shape is long roundish conical with an average length to width ratio of 2.04.The fruits ripen in the early to mid-season and are large(average fruit weight 23 g)with good firmness and slight aromatic flavor.The fruits are well adapted for fresh markets and long distance shipping.The plants and fruits are mid-resistant to powdery mildew[Podosphaera macularis(Wallr.)U.Braun&S.Takam]and resistant to Grey mold(Botrytis cinerea Pers.)to some extend.It perfoms well in Shanghai and would be recommended for the regions with mild winter.