|Table of Contents|

Study on the Anatomic Structure of Leaves of Nine Evergreen Broad-leaved Plants

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2024年5
Page:
53-61
Research Field:
Publishing date:

Info

Title:
Study on the Anatomic Structure of Leaves of Nine Evergreen Broad-leaved Plants
Author(s):
SUN Guoxin1; CHEN Fan2; MENG Xiaozhe1; HUANG Dazhuang1; MENG Qingrui1
(1.College of Landscape,Agricultural University of Hebei，Baoding，Hebei 071066；2.Baoding City Garden Greening Center，Baoding，Hebei 070000)
Keywords:
evergreen broad-leaved plants; low temperature stress; leaf anatomical structure; cold resistance
PACS:
S 688；S 731
DOI:
10.11937/bfyy.20233190
Abstract:
Nine evergreen broad-leaved plant leaves were used as test materials,and their relative water content and relative conductivity were measured by artificial low-temperature treatment.The micro anatomical structure of the leaves before and after overwintering was observed.Through coefficient of variation and correlation analysis,representative indicators of the eight leaf structure indicators were selected for membership function analysis and comprehensive evaluation of cold resistance,in order to provide reference for the breeding of northern tree species.The results showed that with the extension of freezing time,the relative electrical conductivity of leaves showed an increasing trend and the water content of leaves showed a decreasing trend.Leaves with thicker lower epidermis and palisade tissue had stronger cold resistance,while plants with higher P/S and tissue structure tightness were less affected by low temperature.Before and after overwintering,there was a significant difference in the cold resistance ranking of broad-leaved plants.The more cold resistant tree species include Ligustrum compactum,Photinia fraseri,Magnolia grandiflora L.,etc.

References:

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Last Update: 2024-03-28