STRUCTURAL RESPONSES OF Platanus orientalis L. LEAVES TO ELEVATED CO2 CONCENTRATION AND HIGH TEMPERATURE

被引：0

作者：

Koleva, D. ^{[1
]}

Stefanova, M. ^{[1
]}

Ganeva, T. S. ^{[1
]}

Velikova, V. ^{[2
]}

Tsonev, T. S. ^{[2
]}

Loreto, F. R. ^{[3
]}

机构：

[1] Sofia Univ St Kliment Ohridski, Fac Biol, Sofia 1000, Bulgaria

[2] Bulgarian Acad Sci, Inst Plant Physiol, BU-1113 Sofia, Bulgaria

[3] CNR, Ist Biol Agroambientale & Forestale, I-00016 Monterotondo, RM, Italy

来源：

JOURNAL OF ENVIRONMENTAL PROTECTION AND ECOLOGY | 2010年 / 11卷 / 01期

关键词：

leaf; anatomical structure; cuticle; elevated CO2; high temperature; Platanus orientalis L; ASPEN POPULUS-TREMULOIDES; EPICUTICULAR WAX; AND/OR O-3; STRESS; ULTRASTRUCTURE; NEEDLES;

D O I：

暂无

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Anatomical structure of the leaves and the leaf surface of two-year-old Platanus orientalis L. plants after treatment with elevated CO2 (800 ppm) and high temperature (38 degrees C for 4 h) were studied. Light microscopy analysis (LM) revealed that the examined stress factors have the strongest effect on the photosynthesising parenchyma of the leaves. They cause changes of the shape and structure of the photosynthetic cells and increase the apoplast volume in the spongy tissue. The most prominent effect on the tissue structure of expanding leaves has the combined treatment with stress factors. Scanning electron microscopy (SEM) analysis showed that elevated CO2 stimulates wax formation in expanding leaves as epidermal reaction in stress conditions.

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页码：122 / 129

页数：8

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