杭州地区34种观果植物的综合评价与分析

对杭州地区34种观果植物采用层次分析法（AHP）进行评价与分析。评价的约束层权重值分别为果（C₁）0.715 3，花（C₂）0.187 0以及其他影响因子（C₃）0.097 8，说明观果植物的观赏性状是以果实观赏为基础，在人们的视觉观赏中占有较大分量。34种观果植物可分为5个等级，等级Ⅰ共4种植物，占总数的11.8%，等级Ⅱ共12种植物，占总数的35.3%，等级Ⅲ共10种植物，占总数的29.4%，等级Ⅳ共4种植物，占总数的11.8%，等级Ⅴ共4种植物，占总数的11.8%。

Comprehensive Evaluation and Analysis on 34 Ornamental-Fruit Plants in Hangzhou

Analytic hierarchy process (AHP) was adopted to evaluate 34 ornamental-fruit plants occurring in Hangzhou area.Constrained layer weights of evaluation values were fruit (C₁) 0.715 3,flower (C₂) 0.187 0 and other factors (C₃) 0.097 8,indicating that the ornamental characters of fruit plants is based on their fruit,which accounted for a large component in people’s visual enjoyment.Based on the final scores of the evaluation,34 plant species were divided into 5 levels,in which 4 species were in level,accounting for 11.8% of the total,12 species in level II,35.3%,10 species in level Ⅲ,29.4%,4 species in level IV,11.8%,and 4 species in level V,11.8%.