芍药设施栽培品种筛选

基于现有的芍药设施栽培品种评价，增加衡量芍药在设施弱光环境下光能利用能力的指标，初步建立了基于层次分析法的芍药设施栽培适用品种的评价体系。评价模型的层次分为:目标层（优良的设施栽培芍药品种），约束层（植株性状、开花性状、光能利用能力、抗病性），指标层（复叶数、开花率、抗病害能力等18个指标）。运用层次分析法对18个具体指标的权重进行计算，结果表明着花量、花径、茎粗、单朵花期、最大净光合的总排序权重值分别为0.127 9、0.109 9、0.088 9、0.085 5和0.080 2，所占比重较大。运用该体系对14个芍药品种进行评价，筛选出4个整体性状良好的设施栽培品种:‘蓝田飘香’、‘蓝海碧波’、‘粉玉奴’、‘莲台’。评价结果与实际栽培效果相符，具有良好的适用性。

Selection of Herbaceous Peony Cultivars under Protected Cultivation Condition

Based on the existing evaluation indices on the quality of herbaceous peony cultivars, new indices that reflected the capability of light use efficiency were added to the evaluation system.Fourteen traditional peony cultivars were evaluated by using analytical hierarchy process (AHP) method with the new evaluation system.The AHP model included target layer,constrained layer and index layer.The target layer referred to the excellent herbaceous peony cultivars.The constrained layer included the whole plant characters,floral characters,light use efficiency and disease resistance.The index layer contained 18 indexes such as number of leaf,flowering rate and disease resistance etc.Finally,the weights of 18 indexes were calculated.The rank weights of number of flowers, flower diameter,stem diameter,florescence of every single flower and maximum net photosynthesis were 0.127 9,0.109 9,0.088 9,0.085 5,and 0.080 2, respectively. According to the comprehensive scores,4 cultivars (Paeonia lactiflora ‘Lan Tian Piao Xiang’,P.lactiflora ‘Lan Hai Bi Bo’, P.lactiflora ‘Fen Yu Nu’and P.lactiflora ‘Lian Tai’) with excellent characters were selected out.The evaluation results had the consistency with traditional selection method.