The Comprehensive Evaluation of the Ornamental Flower Plants Introduced from Canada by the Application of Hierarchy-relation Analysis

Authors LIU Mengxia; ZHANG Yanlong; NIU Lixin; ZHANG Qingchun

Journal Acat Agriculturae Boreali-Occidentalis Sinica , 2009,4:18

Abstract Eighteen species of herbaceous flowers which were introduced from Canada were cultivated in Guanzhong plain of Shaanxi. The method of hierarchy-relation analysis of AHP in combination with grey relational grade theory were taken to do comprehensive evaluation based on the indicators of flower color, blooming period, flower aesthetics and drought resistance, cold tolerance, and so on. Analyzing results indicated that Lavatera trimestris, Papaver nudicaule, Impatiens sultanii and Campanula medium had low scores with poor adaptability; the other eight species flowers Anchusa azurea,Tithoniao tundi filia,Digitalis purpurea,Salvia farinacea which could adapt to the environment of Guanzhong plain had higher ornamental value and better adaptability, and they were worth to popularize in the areas around Shaanxi.

Species covered 野罂粟 Papaver nudicaule 毛地黄 Digitalis purpurea 牛舌草 Anchusa italica