临沂市引种微型月季综合评价

Comprehensive Evaluation of Introduced Rosa chinensis in Linyi City

通过等权和加权灰色关联分析,采用花径、抗性、冠幅、花期、株高和生长速度为评价指标,综合评价从河南南阳引进的7个微型月季品种。结果显示:观赏价值较高的品种为和谐、小仙女、粉柯斯特和小女孩4种,与理想种的关联度均大于0.9,综合性状优良,适合在临沂地区大量使用;其次是金太阳,与理想种的关联度0.7以上,可根据要求进行推广;红宝石和紫色时代与理想种的关联度低于0.7,仅可以适当点缀使用。

Using flower diameter,resistance,crown width,flowering date,plant height and growth rate as evaluation indexes,7 Rosa chinensis varieties introduced from Nanyang were evaluated comprehensively through equal weight and weighted grey correlation analysis.The results showed that the four varieties with high ornamental value were Harmony,Little fairy,RosaPink Margo Koster and Little girl,and the correlation degree with the ideal species was greater than 0.9,and the comprehensive characteristics were good,which was suitable for mass use in Linyi area.The second is the Golden sun,the correlation degree with the ideal species is above 0.7,can be promoted according to the requirements;Ruby and Purple ages have a correlation of less than 0.7 with ideal spe-cies and can only be used as appropriate embellishment.