Comprehensive Evaluation of Colored-leaf Trees in Qingdao

doi:10.11924/j.issn.1000-6850.casb16030022

Abstract

Abstract: The paper aims to broaden the colored- leaf tree species in Qingdao. For quantitatively and qualitatively assessing the colored-leaf trees, based on the Analytic Hierarchy Process (AHP), 34 kinds of colored- leaf trees introduced in Qingdao were evaluated comprehensively. Biological features, ecological characteristics and ornamental values were observed and analyzed through 2 growing seasons’open field cultivation. The results showed that: the 34 kinds of colored-leaf trees were divided into 4 grades according to the scores: grade Ⅰ (＞4.0) included 9 kinds of colored- leaf trees and had the highest comprehensive application value, grade Ⅱ (3.5-4.0) contained 10 kinds of colored-leaf trees and had higher comprehensive application value, grade Ⅲ (3.0- 3.5) comprised 11 kinds of colored- leaf trees and had common comprehensive application value, and grade Ⅳ (＜3.5) included 4 kinds of colored-leaf trees and had lower comprehensive application value. Those colored-leaf trees which belonged to grade Ⅰ could be popularized in the landscape engineering construction in Qingdao. Our research for the first time conducted the comprehensive evaluation of colored- leaf trees in Qingdao and also provided basic references for rational development and utilization of colored-leaf tree resources.

CLC Number:

S687

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