Effect of ambient-level gas-phase peroxides on foliar injury, growth, and net photosynthesis in Japanese radish (Raphanus sativus)

被引：9

作者：

Chen, Xuan ^{[1
]}

Aoki, Masatoshi ^{[2
]}

Takami, Akinori ^{[3
]}

Chai, Fahe ^{[1
]}

Hatakeyama, Shiro ^{[2
]}

机构：

[1] Chinese Res Inst Environm Sci, Beijing 100012, Peoples R China

[2] Tokyo Univ Agr & Technol, Fac Agr, Fuchu, Tokyo 1838509, Japan

[3] Natl Inst Environm Studies, Tsukuba, Ibaraki 3058506, Japan

来源：

ENVIRONMENTAL POLLUTION | 2010年 / 158卷 / 05期

关键词：

Peroxides; Ozone; Ambient-level; Plant damage; Radish; HYDROGEN-PEROXIDE; AIR-POLLUTION; HYDROXYMETHYL HYDROPEROXIDE; OZONE; FOREST; TREES; PLANTS; STRESS; REGION; LEAVES;

D O I：

10.1016/j.envpol.2009.12.002

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

To investigate the effects of ambient-level gas-phase peroxides concurrent with O(3) on foliar injury, photosynthesis, and biomass in herbaceous plants, we exposed Japanese radish (Raphanus sativus) to clean air, 50 ppb O(3), 100 ppb O(3), and 2-3 ppb peroxides + 50 ppb O(3) in outdoor chambers. Compared with exposure to 100 ppb O(3), exposure to 2-3 ppb peroxides + 50 ppb O(3) induced greater damage in foliar injury, net photosynthetic rates and biomass; the pattern of foliar injury and the cause of net photosynthetic rate reduction also differed from those occurring with O(3) exposure alone. These results indicate for the first time that sub-ppb peroxides + 50 ppb O(3) can cause more severe damage to plants than 100 ppb O(3), and that not only O(3), but also peroxides, could be contributing to the herbaceous plant damage and forest decline observed in Japan's air-polluted urban and remote mountains areas. (C) 2009 Elsevier Ltd. All rights reserved.

引用

页码：1675 / 1679

页数：5