Drought affects the heat-hardening capacity of alpine plants as indicated by changes in xanthophyll cycle pigments, singlet oxygen scavenging, α-tocopherol and plant hormones
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- 作者：Othmar Buchner ; 1 ; Othmar.Buchner@uibk.ac.at" class="auth_mail" title="E-mail the corresponding author ; Thomas Roach ; 1 ; Joy Gertzen ; Stephanie Schenk ; Matthias Karadar ; Wolfgang Stö ; ggl ; Ramona Miller ; Clara Bertel ; Gilbert Neuner ; Ilse Kranner
- 关键词：Abscisic acid ; Global warming ; Heat tolerance ; Jasmonic acid ; Photosystem 2 ; Primula minima ; ROS ; Salicylic acid ; Senecio incanus ; Stress
- 刊名：Environmental and Experimental Botany
- 出版年：2017
- 出版时间：January 2017
- 年：2017
- 卷：133
- 期：Complete
- 页码：159-175
- 全文大小：2211 K
文摘
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Combined heat and drought stress can diminish the heat hardening capacity of leaves.
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Drought significantly enhances the effect of global warming on leaf temperature.
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The risk of suffering heat damage is increased on south exposed, ruderal alpine sites.
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Heat tolerance tests using detached leaves may have limited ecological relevance.
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Heat hardening is a multifaceted process which is orchestrated by hormonal crosstalk.
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