重庆市主城区花境植物应用调查与分析
Study and Analysis of Flower Border Plants in Principal Urban Zone of Chongqing City

对重庆市主城区花境植物进行了调查和分析.结果表明：①目前重庆市主城区已应用花境植物171种，隶属65科138属，其中以多年生草本为主，较多的科有禾本科、菊科、唇形科和百合科等. ②表现优良的有140种，存在部分有病虫害、易倒伏植物. ③观赏价值高的有157种，其中以观花观叶为主，观干、观果的极少；花期主要集中在春夏秋三季，以夏季为盛；常绿植物有93种. ④应用安全的有161种，存在部分有毒、易扩散植物. ⑤运用层次分析法(AHP)对重庆市主城区花境植物进行综合评价，筛选出观赏应用价值高的常绿植物52种，其中综合评分在3.5以上的可大规模推广应用.
A survey made of the flower border plants in the principal urban green space of Chongqing shows that there are 171 flower border plants used in the study area, which belong to 65 families and 138 genera. Most of them are perennials and the major plant species belong to Gramineae, Compositae, Lamiaceae and Liliaceae. One hundred and forty plants species perform well under the local environment, showing a good adaptability. However, some plants are prone to lodging and susceptible to diseases and insect pests. There are 157 kinds of plants of high ornamental value, mainly for their flower and foliage and rarely for their stem and fruit. Their florescence mostly occurs in spring, summer or autumn, especially in summer. Besides, there are 90 kinds of evergreen plants. There are 161 kinds of plants which are safe for application. However, there are some species that are poisonous or easy to spread. The analytic hierarchy process (AHP) is used to give a comprehensive evaluation of the flower border plants, and 52 kinds of evergreen plants with high ornamental and application value are selected, of which the ones with a comprehensive score of 3. 5 or more can be popularized and utilized on a large scale