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| Content Provider | Springer Nature Link |
|---|---|
| Author | Erbs, Martin Manderscheid, Remy Hüther, Liane Schenderlein, Anke Wieser, Herbert Dänicke, Sven Weigel, Hans Joachim |
| Copyright Year | 2014 |
| Abstract | Climate scenarios show that atmospheric CO$_{2}$ concentrations will continue to increase. As a consequence, more frequent and severe drought periods are expected. Drought will thus modify plant growth. Although maize is a major crop globally, little information is available on how atmospheric and climatic changes will change maize quality. Here, in a field experiment, maize was grown in 2007 and 2008 under ambient (380 ppm) and elevated CO$_{2}$ (550 ppm) using free-air CO$_{2}$ enrichment. In 2007, maize was grown under well-watered conditions only. In 2008, we applied a drought stress treatment in which the plants received only half the amount of water of the well-watered treatment. We measured the concentrations of minerals and quality-related traits in aboveground biomass and kernels at the end of each growing season. Results show first the absence of effect of elevated CO$_{2}$ under well-watered conditions. By contrast, drought stress modified several traits and interactions under elevated CO$_{2}$. These results support the hypothesis that the C4 plant maize does not react to an increase in atmospheric CO$_{2}$ as long as no drought stress is prominent. This finding contrasts with the impact of elevated CO$_{2}$ on C3 plants. Several drought stress effects found in our study will have important implications for food and feed use. However, the effects of drought stress on the traits were less pronounced under elevated CO$_{2}$ than under ambient CO$_{2}$ level. Hence, an elevated CO$_{2}$ concentration mitigates the drought stress impacts on elemental composition and quality traits of maize. |
| Starting Page | 203 |
| Ending Page | 212 |
| Page Count | 10 |
| File Format | |
| ISSN | 17740746 |
| Journal | Agronomy for Sustainable Development |
| Volume Number | 35 |
| Issue Number | 1 |
| e-ISSN | 17730155 |
| Language | English |
| Publisher | Springer Paris |
| Publisher Date | 2014-04-25 |
| Publisher Institution | Institut National de la Recherche Agronomique (INRA) |
| Publisher Place | Paris |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Carbon dioxide Climate change FACE Fiber fractions Food and feed Free-air CO$_{2}$ enrichment Microelements Minerals Protein fractions Rain shelter Stoichiometry Water availability Water deficit Zeamaize Agriculture Soil Science & Conservation Sustainable Development |
| Content Type | Text |
| Resource Type | Article |
| Subject | Environmental Engineering Agronomy and Crop Science |
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