|Table of Contents|

Variation of Morphology and Pigment Content in Leaf Development of Photinia×frasery(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2015年24
Page:
51-55
Research Field:
Publishing date:

Info

Title:
Variation of Morphology and Pigment Content in Leaf Development of Photinia×frasery
Author(s):
KONG Xianghai; LI Si; DING Li; QIU Fengyan
（College of Life Sciences，Longyan University，Longyan，Fujian 364012）
Keywords:
Photinia×frasery; leaf development; morphological characteristics; plastid pigment; anthocyanin
PACS:
-
DOI:
10.11937/bfyy.201524016
Abstract:
The leaves at different developmental stages in the same branch of Photinia×frasery were selected as test material.Leaf area，fresh weight，dry weight,plastid pigment and anthocyanin were selected as measure indicator.The determination and measurement method had been adopted.In order to reveal the relationship between leaf morphology and pigment content during leaf development，the research of morphological characteristics and pigment content had been conducted.The results showed that leaf water content，water content per unit area and relative water content had a downward trend，while leaf dry weight，the dry weight of per unit area and relative dry weight had an upward trend，leaf area presented a single peak change characteristic，in the process of the leaf color turning red to green.During the leaf color changing from red to green，the change of various pigment content was presented as below.The plastid pigment content showed an upward trend，in which the content of chlorophyll a，chlorophyll b and total chlorophyll content showed ‘low-high-low’ feature，while the relative content of anthocyanin declined.During the leaf development of Photinia×frasery，the changing of morphological characteristics was significant，the change of leaf color was caused by different pigment content in different developmental stages，and the key factor was the change of the relative content of anthocyanin.

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Last Update: 2016-02-16