Photosynthesis of Hedera canariensis var. azorica variegated leaves as affected by ozone

被引：16

作者：

Soldatini, GF

Nali, C

Guidi, L

Lorenzini, G

机构：

[1] Univ Pisa, Dipartimento Chim & Biotecnol Agr, I-56124 Pisa, Italy

[2] Univ Pisa, Dipartimento Coltivaz & Difesa Specie Legnose, Sez Patol Vegetale, I-56124 Pisa, Italy

来源：

PHOTOSYNTHETICA | 1998年 / 35卷 / 02期

关键词：

chlorophyll; fluorescence; ivy; net photosynthetic rate; stomatal conductance; transpiration;

D O I：

10.1023/A:1006914924287

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

A differential response to long-term ozone exposures (50 and 100 mm(3) m(-3)) was observed in the green and white areas of variegated leaves of Hedera canariensis var. azorica L. In green tissue the photosynthetic activity was depressed via a stomatal mechanism, and in white regions no effect was observed. Chlorophyll fluorescence parameters remained unchanged in green portions, whereas in the white ones F-m and F-v/F-m significantly diminished following ozone fumigation.

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收藏

页码：247 / 253

页数：7

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