Studies on the Screening of Wild Ornamental Plants in Liuzhou City

52 species of wild ornamental plants were collected by preliminary screening and cultivated in nursery gardening.The cultivation,propagation,growth features,stress resistance and other factors of these plants were tested.By analytic hierarchy process(AHP),evaluation matrix of arbor and shrubs were constructed respectively and corresponding standard layer factors for integrated evaluation were established.20 of arbors and 15 shrubs plants,which integrated evaluation value was over 3.5,were finally selected.These plants with high ornamental value,rich resources and high stress resistance were suitable for city garden green.