|Table of Contents|

Comparative on Phenotypic Diversity of Cypripedium ventricosum Sw.With Different Flower Colors in Changbai Mountain Area

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2024年21
Page:
44-51
Research Field:
Publishing date:

Info

Title:
Comparative on Phenotypic Diversity of Cypripedium ventricosum Sw.With Different Flower Colors in Changbai Mountain Area
Author(s):
MA Huilin1; TIAN Ziye1; LIN Shusen1; PIAO Yinlin1; GAO Ri1; JIN Yinghua1; 2
(1.College of Agriculture，Yanbian University,Yanji，Jilin 133002；2. Key Laboratory of Natural Drug Research in Changbai Mountain，Ministry of Education (Yanbian University)，Yanji，Jilin 133002)
Keywords:
Cypripedium ventricosum Sw.; phenotypic diversity; floral organ; Tianqiaoling forest area
PACS:
S 682.3
DOI:
10.11937/bfyy.20241756
Abstract:
Taking six different colored wild Cypripedium venturicosum Sw.from Changbai Mountain area as the test materials,phenotypic diversity analysis，cluster analysis and principal component analysis were used to investigate their flower color and organ morphology，as well as the morphological characteristics of roots，stems，and leaves,in order to provide reference for the protection and taxonomic research of wild Cypripedium venturicosum Sw.resources in this area.The results showed that,1) the altitude distribution range of six different colored populations of C.macranthos in this forest area was 381-411 m，with a slope direction of northwest and a gentle slope of 10°-15°.The main associated species had 58 taxa.2) According to the comparative analysis of the color of the flower organs of six different flower colors of the C.macranthos，there were significant differences in the color of their flower organs.The various flower organs of DH4 and DH6 were relatively concentrated，and the colors of each flower organ were the most similar；the scattered floral organs of DH1 and DH2 indicate significant color differences among their respective floral organs.3) The coefficient of variation of genetic diversity for quantitative traits was 7.19%-44.26%，and the Shannon-Wiener diversity index for qualitative traits was 1.74-1.79；in the first group analysis of R-type clustering，it was found that the distribution of quantitative indicators of the same type in different floral organs was closely related，such as sepal length and petal length.Different quantitative characteristics of the same floral organ were also closely clustered，such as flower length and flower width；in principal component analysis，with eigenvalues>1.0 as the three principal components，the absolute values of the eigenvectors of the eight traits related to floral organs were relatively high，indicated that these eight traits related to floral organs were to some extent the main factors causing phenotypic variation in C.macranthos.

References:

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Last Update: 2024-11-21