Comprehensive Evaluation of Ornamental Values of 40 Cherry Blossom Varieties in Nanchang
Using the Analytic Hierarchy Process(AHP)to comprehensively evaluate the ornamental value of 40 cherry blossom varieties in the Nanchang area,the constraint layer is based on three aspects:flowering time,flowers,and viewing convenience.The standard layer is set up with 10 indexes to establish a hierarchical structure model.Establish a judgment matrix based on expert scoring and perform consistency tes-ting,then calculate the weights of each factor.The factors with higher weights include tree shape,corolla size,pedicel length,and flower quantity,which are 0.480 8,0.158 2,0.108 2,and 0.096 2,respectively.The results showed that 1 variety with an evaluation score higher than 4 points,it's Cerasus subhirtella'Ujou-shidare',6 with a score of 3.5-4.0,12 with a score of 3.0-3.5,17 with a score of 2.5-3.0,and 4 with a score below 2.5.C.spachiana f.ascendens,C.×yedoensis,C.'Miyabi',C.subhirtella'Accolade'and some other varieties scored higher.
国家科技期刊平台
NSTL
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