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2009年和2010年通过大田试验对收集保存的58个单头切花菊品种主要品质性状进行观察统计,并建立了单头切花菊综合评价体系。应用专家咨询法并结合其他观赏植物评价体系,筛选出13个对单头切花菊品质性状影响较大的因子。应用层次分析法对各影响因子的权重进行定量评价,其中花径对单头切花菊品质影响最大,其权重为0.113;花色和舌状花数次之,其权重均为0.106。对58个单头切花菊品种进行K-Means聚类分析的结果为:优等级品种14个,占24.14%;良等级品种24个,占41.38%;差等级品种20个,占34.48%。品种评价结果与实际生产经验相符,表明应用专家咨询法、层次分析法和K-Means聚类法建立的评价体系可以很好地对单头切花菊品种进行评价和分级。
In 2009 and 2010, the main quality traits of 58 single cut chrysanthemum cultivars collected and stored were observed and tested by field experiments. A comprehensive evaluation system of single cut chrysanthemum was established. Thirteen factors which had a great influence on the quality traits of Monochalis chinensis were screened by using expert consultation method and other ornamental plant evaluation systems. The weight of each influencing factor was quantitatively evaluated by using analytic hierarchy process. The flower diameter had the greatest influence on the quality of single-headed cut chrysanthemum with the weight of 0.113. The flower color and the tongue-shaped flower took several times, and the weight was 0.106. The results of K-Means clustering analysis on 58 single-head cut chrysanthemum cultivars showed that 14 excellent cultivars (24.14%), 24 good cultivars (41.38%) and 20 poor cultivars (34.48%). The evaluation results of the cultivars are consistent with the actual production experience, indicating that the evaluation system established by expert consultation, analytic hierarchy process and K-Means clustering method can be used to evaluate and grade single-cut cut chrysanthemum varieties well.