Contrasting drought-response strategies in California redwoods

Tree Physiology
Anthony R AmbroseTodd E Dawson

Abstract

We compared the physiology and growth of seedlings originating from different Sequoia sempervirens (D. Don.) Endl. (coast redwood) and Sequoiadendron giganteum (Lindl.) Buchh. (giant sequoia) populations subjected to progressive drought followed by a recovery period in a controlled greenhouse experiment. Our objective was to examine how multiple plant traits interact to influence the response of seedlings of each species and seed population to a single drought and recovery cycle. We measured soil and plant water status, leaf gas exchange, stem embolism and growth of control (well-watered) and drought-stressed (water withheld) seedlings from each population at the beginning, middle and end of a 6-week drought period and again 2 weeks after re-watering. The drought had a significant effect on many aspects of seedling performance, but water-stressed seedlings regained most physiological functioning by the end of the recovery period. Sequoiadendron seedlings exhibited a greater degree of isohydry (water status regulation), lower levels of stem embolism, higher biomass allocation to roots and lower sensitivity of growth to drought compared with Sequoia. Only minor intra-specific differences were observed among populations. Our resul...Continue Reading

References

Dec 9, 1998·Proceedings of the National Academy of Sciences of the United States of America·C D Allen, D D Breshears
Sep 19, 2000·American Journal of Botany·W T Pockman, J S Sperry
Apr 27, 2001·Environmental and Experimental Botany·F C. MeinzerG Goldstein
May 15, 2001·Plant Physiology·N M HolbrookM A Zwieniecki
Feb 14, 2002·Plant, Cell & Environment·J. S. SperryJ. P. Comstock
Dec 4, 2002·Philosophical Transactions. Series A, Mathematical, Physical, and Engineering Sciences·Yadvinder MalhiSandra Brown
Nov 4, 2006·Plant, Cell & Environment·Michael G RyanBarbara J Bond
Jan 24, 2007·Tree Physiology·Todd E DawsonAnthony R Ambrose
May 4, 2007·Nature·Bettina M J EngelbrechtStephen P Hubbell
Oct 29, 1982·Science·J S Boyer
Nov 18, 2008·Plant Physiology·Tim J Brodribb, Hervé Cochard
Feb 13, 2009·Plant, Cell & Environment·Anthony R AmbroseTodd E Dawson
Sep 8, 2010·Journal of Environmental Monitoring : JEM·Alistair S JumpPeter D Hunter
Jan 13, 2011·The New Phytologist·Stefan G SchreiberBarb R Thomas
Mar 23, 2011·Plant Science : an International Journal of Experimental Plant Biology·Andrea NardiniSebastiano Salleo
Apr 14, 2011·Plant, Cell & Environment·Elizaveta LitvakDiane E Pataki
May 27, 2011·American Journal of Botany·Katherine A McCullohBarbara Lachenbruch
Apr 1, 2007·American Journal of Botany·Alexander R CobbN Michele Holbrook
Sep 22, 2011·Plant, Cell & Environment·Tomo'omi Kumagai, Amilcare Porporato
Nov 23, 2012·Nature·Brendan ChoatAmy E Zanne
May 1, 2002·The New Phytologist·A D PeukeH Rennenberg
Jun 1, 2004·The New Phytologist·Tim J Brodribb, N Michele Holbrook

❮ Previous
Next ❯

Citations

Mar 11, 2016·Tree Physiology·Agnieszka Wujeska-KlauseMichael Tausz
Jul 15, 2015·Tree Physiology·Katherine A McCulloh, Frederick C Meinzer
Jun 5, 2015·Tree Physiology·Timothy J Brodribb, Scott A M McAdam
Jan 15, 2018·Environmental Science and Pollution Research International·Ilya E ZlobinVladimir V Kuznetsov
Apr 8, 2017·Tree Physiology·Alana R O Chin, Stephen C Sillett
Jul 1, 2018·The New Phytologist·Todd E Dawson, Gregory R Goldsmith
Jul 3, 2018·Global Change Biology·Shan GaoHui Luo
Jan 25, 2020·Tree Physiology·Lucy P KerhoulasNicholas J Kerhoulas
Oct 7, 2017·Tree Physiology·Cameron B WilliamsTodd E Dawson

❮ Previous
Next ❯

Related Concepts

Trending Feeds

COVID-19

Coronaviruses encompass a large family of viruses that cause the common cold as well as more serious diseases, such as the ongoing outbreak of coronavirus disease 2019 (COVID-19; formally known as 2019-nCoV). Coronaviruses can spread from animals to humans; symptoms include fever, cough, shortness of breath, and breathing difficulties; in more severe cases, infection can lead to death. This feed covers recent research on COVID-19.

Blastomycosis

Blastomycosis fungal infections spread through inhaling Blastomyces dermatitidis spores. Discover the latest research on blastomycosis fungal infections here.

Nuclear Pore Complex in ALS/FTD

Alterations in nucleocytoplasmic transport, controlled by the nuclear pore complex, may be involved in the pathomechanism underlying multiple neurodegenerative diseases including Amyotrophic Lateral Sclerosis and Frontotemporal Dementia. Here is the latest research on the nuclear pore complex in ALS and FTD.

Applications of Molecular Barcoding

The concept of molecular barcoding is that each original DNA or RNA molecule is attached to a unique sequence barcode. Sequence reads having different barcodes represent different original molecules, while sequence reads having the same barcode are results of PCR duplication from one original molecule. Discover the latest research on molecular barcoding here.

Chronic Fatigue Syndrome

Chronic fatigue syndrome is a disease characterized by unexplained disabling fatigue; the pathology of which is incompletely understood. Discover the latest research on chronic fatigue syndrome here.

Evolution of Pluripotency

Pluripotency refers to the ability of a cell to develop into three primary germ cell layers of the embryo. This feed focuses on the mechanisms that underlie the evolution of pluripotency. Here is the latest research.

Position Effect Variegation

Position Effect Variagation occurs when a gene is inactivated due to its positioning near heterochromatic regions within a chromosome. Discover the latest research on Position Effect Variagation here.

STING Receptor Agonists

Stimulator of IFN genes (STING) are a group of transmembrane proteins that are involved in the induction of type I interferon that is important in the innate immune response. The stimulation of STING has been an active area of research in the treatment of cancer and infectious diseases. Here is the latest research on STING receptor agonists.

Microbicide

Microbicides are products that can be applied to vaginal or rectal mucosal surfaces with the goal of preventing, or at least significantly reducing, the transmission of sexually transmitted infections. Here is the latest research on microbicides.