9个西北牡丹品种在北京西南山区引种表现

Introduction Performance of Nine Cultivars of Paeonia rokii × in Southwest Mountainous Area of Beijing

[目的]筛选适宜在北京西南山区种植的西北牡丹新品种。[方法]以引自甘肃的9个西北牡丹品种为试材,观察记录其在北京西南山区的物候期、适应性,并对其观赏特性进行分析。[结果]引进的9个牡丹品种在西南山区适应性较好;过冬的芽饱满;花色和花型纯正;花期均在5月1日前后;整体物候期晚于平原地区5~10 d。适宜在北京西南山区进行栽培和园林应用。[结论]该研究为西北牡丹在北京山区的推广应用提供理论依据。

[Objective]To screen a new variety of peony from northwest China,suitable for planting in the southwest mountainous area of Beijing.[Method]An experiment was conducted to study morphologic characters,phonologic phase and adaptability of nine cuhivars of Paeonia rokii×introduced from Gansu Province in southwest mountainous area of Beijing.[Result]The adaptability of nine cultivars of Paeonia rokii×introduced was good.The over-wintering buds were ruddy and plump.The flowers were bright-colored and beautiful with its own characteristics.The phonologic phase was in May Day Holiday.The phenophase of southwest mountainous area of Beijing was later than that in Beijing plain area.The adaptability of nine cultivars of Paeonia rokii×was suitable for planting in Beijing.[Conclusion]The study can provide the basis for the popularization and application of northwest peony in the mountainous area of Beijing.