Acclimation mechanisms to elevated CO2 in plants

被引：10

作者：

Walter, Lidiane Cristine ^{[1
]}

Rosa, Hamilton Telles ^{[1
]}

Streck, Nereu Augusto ^{[2
]}

机构：

[1] Inst Fed Educ Ciencia & Tecnol Farroupilha IF Far, BR-98590000 Santo Augusto, RS, Brazil

[2] Univ Fed Santa Maria, CCR, Dept Fitotecnia, BR-97119900 Santa Maria, RS, Brazil

来源：

CIENCIA RURAL | 2015年 / 45卷 / 09期

关键词：

photosynthesis; climate change; adaptation; ATMOSPHERIC CO2; PHOTOSYNTHETIC ACCLIMATION; CLIMATE-CHANGE; ENRICHMENT; EXPOSURE; FIELD;

D O I：

10.1590/0103-8478cr20140527

中图分类号：

S3 [农学（农艺学）];

学科分类号：

0901 ;

摘要：

The plant metabolism is altered with increasing of CO2 concentration in the atmosphere. Initially the photosynthetic rate increases by the greater CO2 available, after some time there is some adaptations in order to return to the initial equilibrium, characterizing acclimation. The objective of this review was to describe the acclimation mechanisms in plants to elevated CO2 concentration. In the short term, enzymes and other important substances for photosynthesis are scarce by accelerated metabolism. In addition, excess starch of high photosynthetic rate, accumulated within chloroplasts can impair photosynthesis. A longer period there is a decrease in productive advantage on high CO2 environment and biomass distribution that favors vegetative parts. Acclimation in the long term is related to the plant ability to increase its storage compartments.

引用

页码：1564 / 1571

页数：8

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