桂花品种组合延长最佳观赏期的方案研究

Extension of Ornamental Duration by Different Combination of Sweet Osmanthus Cultivars

为使桂花专类园中花期景观保持相对平衡,开花期保持最佳观赏状态的植株数量比较匀称,对安徽省现有品种进行2年物候观察,根据花期选择出早、中、晚花以及间花品种,初步拟定比例为3.5∶3∶3∶0.5,适当增加早花品种、晚花品种,少量使用间花品种,以弥补各秋桂品种间隔无花时的观赏效果。

In order to keep flowering landscape balance and suitable plant numbers for best observation in sweet osmanthus garden.We conducted two years investigation in two local Gui caltivars.The result indicates that selecting different early,middle,terminal and interval cultivars in the ratios of 3.5330.5 can improves the viewing and admiring effect.