Abstract

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Title:: AHPbased Ornamental Value Evaluation of sect.Calcareimontana （Impatiens L.）

Author(s):: YIN Juan; CAI Xiuzhen; LIU Yunzhe; LI Shuaijie; (College of Life Sciences,Hunan Normal University, Changsha,Hunan 410081)

Keywords:: Impatiens L.; analytic hierarchy process (AHP); wild plants; ornamental value; evaluation

Abstract:: With 10 species of the sect.Calcareimontana (Impatiens) as the test material,application of analytic hierarchy process (AHP),color,petal shape,petal markings and so on from flowers characteristics,quantity character,other properties,ecological adaptability of four aspects were studied.In order to obtain their influence on the comprehensive evaluation of the ornamental value of 10 species.And selected the excellent varieties suitable for landscaping.The results showed that the total order was the largest relative weight of flower color,petal shape and petal markings.According to the results of comprehensive evaluation,10 species were divided into 3 grades.There were two species at the first rank (>4.0),it could be developed into botanical garden flowers.Five species at the second rank (3.5-4.0) and three species at the third rank (3.5 points),they were not recommended.The colorful flowers,exotic flowers and the strong ecological adaptability of I.polyneura and I.morsei can be used as a good introduction to wild flowers.