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- W2363658705 abstract "In order to reveal the variation degree and variation pattern of the phenotypic in Gentiana rigescens.Twenty phenotypic traits of 400 individuals from twenty natural population accessions belonging five areas were investigated.Phenotypic variation between and within the populations of G.rigescens was analyzed by the coefficient of variation,Shannon-Weiner diversity index and nested variance analysis methods,and the pattern of variation morphological traits and geographical factors were analyzed by correlation analysis.The twenty populations of G.rigescens were classified by using cluster analysis.The results showed that,the highest phenotypic variation of G.rigescens was in Chuxiong region(CV=39.8%),the lowest variation was in Kunming region(CV=31.4%).Twenty phenotypic traits in different natural populations were significantly different.The coefficients of variation were in the range:14.4%～91.8%,and the average value was 40.4%,and the average value was between 26.8%～37.0% in 20 natural populations.The phenotypic differentiation was higher in G.rigescens.The highest and the lowest differentiation coefficients were 36.03% and 91.94%,respectively,and the average was 73.14%.Between-population variation comprised a majority of total phenotypic variation.The average diversity index was 2.547 by the total twenty phenotype traits,and there were different among the five different areas,the highest was Chuxiong and the lowest was Yuxi,the diversity index were 1.271 4 and 1.266 7,respectively.According to correlation analysis,the longitude and rainfall could significantly affect the phenotypic variation of G.rigescens.However,the latitude,altitude,and temperature did not reveal significant effect.Cluster analysis by twenty phenotypic traits,showed that the twenty populations of G.rigescens were divided into three groups,and the phenotypic traits not in same group by the near geographical distances.In conclusions,there is abundant phenotypic diversity in natural populations of G.rigescens,and the protection and utilizing of variation within geological population are important significance for G.rigescens." @default.
- W2363658705 created "2016-06-24" @default.
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- W2363658705 date "2011-01-01" @default.
- W2363658705 modified "2023-09-23" @default.
- W2363658705 title "Phenotypic Diversity and Environment Relations in Gentiana rigescens of Yunnan" @default.
- W2363658705 hasPublicationYear "2011" @default.
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