Forest and Grassland Resources Research >
Evaluation and Screening of Ornamental Illicium difengpi Germplasm in Terms of Leaf Morphology Using Analytic Hierarchy Process Method
Received date: 2022-08-29
Revised date: 2022-10-21
Online published: 2022-12-23
Illicium difengpi is a unique plant in karst area.The leaf shape,leaf color,especially the color difference between tender leaf and mature leaf are obvious.It is a good medicinal and ornamental plant resource.The objective is to establish a germplasm evaluation system of foliage type Illicium difengpi,and to select a number of fine individual plants with good characters and ornamental value,so as to provide a theoretical basis and the high quality provenance for selective breeding and the landscape utilization of Illicium difengpi.This study adopted the method of combining the field survey and analytic hierarchy process,selected 15 evaluation indexes from 3 aspects,namely plant growth,leaf growth and leaf ornamental,so as to conduct statistical analysis of 226 Illicium difengpi plants.The results showed that the factors with higher weight of comprehensive evaluation indexes were tender leaf color,leaf shape and glossiness.The weight values were 0.295,0.140 and 0.105.The 226 Illicium difengpi could be classified into 5 grades.The score of 20 plants with the highest comprehensive score ranged from 3.606 4 to 3.944 2,which was characterized by its bright red color and high ornamental value.They could be used as a good germplasm selection standard,and could be used in landscape construction first.Combined with the weight calculation results,the change process and color cycle of the tender leaves and the differences of the leaf shape of the mature leaves were observed.It was considered that the color of the tender leaves and leaf shape of Illicium difengpi were important indicators for the selection of germplasm.
Min HAO , Hui TANG , Manlian WANG , Baoyu LIU , Yujiao CHEN . Evaluation and Screening of Ornamental Illicium difengpi Germplasm in Terms of Leaf Morphology Using Analytic Hierarchy Process Method[J]. Forest and Grassland Resources Research, 2022 , 0(5) : 136 -144 . DOI: 10.13466/j.cnki.lyzygl.2022.05.017
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