14个大花萱草品种在衡阳地区的观赏性与适应性评价

Appreciation and Adaptability Evaluation of 14 Varieties of Hemerocallis hybrida in Hengyang area

【目的】筛选出适宜衡阳地区栽培的萱草品种,为丰富衡阳地区园林景观花卉提供科学依据。【方法】对14个引种大花萱草品种的观赏性评价指标和生态适应性评价指标进行观测与记录,采用灰色关联分析法对各品种进行观赏性和适应性综合评价和分析。【结果】从观赏性来看,品种编号X7、X3、X11、X1、X2、X9、X14与理想品种的关联度较高,均在0.70及以上。从适应性来看,品种编号X7、X9、X3、X12、X13、X14、X11、X2、X6与理想品种的关联度较高,均在0.80以上。【结论】大花萱草品种X7、X3、X11、X9、X14的观赏价值和适应能力均表现相对较好,较适宜在衡阳地区的园林景观中推广应用。

【Objective】It is to screen suitable varieties of Hemerocallis for cultivation in Hengyang ar-ea,and provide scientific basis for adding materials for landscape application in Hengyang area.【Meth-od】By observing and recording the ornamental and ecological adaptability evaluation indicators of 14 in-troduced Hemerocallis varieties,the grey correlation analysis method was used to comprehensively evaluate and analyze the adaptability and ornamental characteristics of each major Hemerocallis variety.【Result】From the perspective of ornamental value,the correlation between X7,X3,X11,X1,X2,X9,X14 and the ideal variety is relatively high,all of which are greater than or equal to 0.70.From the per-spective of adaptability,the correlation between X7,X9,X3,X12,X13,X14,X11,X2,X6 and ideal varieties is relatively high,all of which are above 0.80.【Conclusion】Based on comprehensive analysis,the ornamental value and adaptability of materials X7,X3,X11,X9,and X14 from Hemerocallis hybr-ida are relatively high,making them suitable for promotion and application in the landscape of Hengy-ang area.