|Table of Contents|

Differences in Functional Characters of Paeonia decomposita From Different Provenances and Their Relationships With Environmental Factors

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2019年21
Page:
48-55
Research Field:
Publishing date:

Info

Title:
Differences in Functional Characters of Paeonia decomposita From Different Provenances and Their Relationships With Environmental Factors
Author(s):
TAN Liping1; ZENG Wanqing1; LIU Xian′an2; ZHOU Xiaohui1; YANG Xing2; PENG Peihao1
(1.Academy of Tourism and Urban-Rural Planning,Chengdu University of Technology,Chengdu,Sichuan 610059;2.Academy of Earth Sciences,Chengdu University of Technology,Chengdu,Sichuan 610059)
Keywords:
functional characters; environmental factors; provenance; Paeonia decomposita
PACS:
-
DOI:
10.11937/bfyy.20190704
Abstract:
For its high ornamental and medicinal value and developed potential,Paeonia decomposita is scarce and is now in an endangered state.In this study,ten wild populations of Paeonia decomposita were selected as the research object.The functional characters of Paeonia decomposita from different provenances and their relationship with environmental factors were studied by one-way analysis of variance,correlation analysis and regression analysis.One-way analysis of variance showed that the average coefficient of variation of functional characters of Paeonia decomposita in different provenances ranged from 11.27% to 38.37%,and the average variation coefficient of leaf area and leaf dry weight was large,indicating that the characters were unstable.The stem diameter,plant height,chlorophyll content,leaf nitrogen content,specific leaf area,leaf dry weight and leaf area of Paeonia decomposita were significantly different (P<0.05),reflecting the strong adaptability of Paeonia decomposita to the environment.Preason correlation analysis showed that the functional characters of Paeonia decomposita were mainly affected by latitude,soil total nitrogen content and soil available phosphorus content,and the stem diameter was significantly positively correlate there was a linear relationship between the stem diameter and soil total nitrogen content (Y=6.366+1.902X,R2=0.507,P=0.021),the specific leaf area and soil available phosphorus content (Y=79.300+5 563.823X,R2=0.571,P=0.011),and the leaf area and latitude (Y=1 452.767-42.535X,R2=0.488,P=0.025).It is concluded that the Paeonia decomposita has strong adaptability to the environment,and the functional characters are significantly different among different provenances.The stem diameter of Paeonia decomposita increases with the increase of soil total nitrogen content,and the specific leaf area increases with the increase of soil available phosphorus content,and the leaf area decreased with the increase of latitude.

References:

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