Online citations, reference lists, and bibliographies.
← Back to Search

QTL And Drought Effects On Leaf Physiology In Lowland Panicum Virgatum

S. H. Taylor, D. B. Lowry, Michael J Aspinwall, Jason E. Bonnette, P. Fay, T. Juenger
Published 2016 · Biology

Cite This
Download PDF
Analyze on Scholarcy
Switchgrass is a key component of plans to develop sustainable cellulosic ethanol production for bioenergy in the USA. We sought quantitative trait loci (QTL) for leaf structure and function, using the Albany full-sib mapping population, an F1 derived from lowland tetraploid parents. We also assessed both genotype × environment interactions (G×E) in response to drought and spatial trends within experimental plots, using the mapping population and check clones drawn from the parent cultivars. Phenotypes for leaf structure and physiological performance were determined under well-watered conditions in two consecutive years, and we applied drought to one of two replicates to test for G×E. Phenotypes for check clones varied with location in our plot and were impacted by drought, but there was limited evidence of G×E except in quantum yield (ΦPSII). Phenotypes of Albany were also influenced by plant location within our plot, and after correcting for experimental design factors and spatial effects, we detected QTL for leaf size, tissue density (LMA), and stomatal conductance (gs). Clear evidence of G×E was detected at a QTL for intrinsic water use efficiency (iWUE) that was expressed only under drought. Loci influencing physiological traits had small additive effects, showed complex patterns of heritability, and did not co-localize with QTL for morphological traits. These insights into the genetic architecture of leaf structure and function set the stage for consideration of leaf physiological phenotypes as a component of switchgrass improvement for bioenergy purposes.
This paper references
Photosynthetic Rates and Ploidy Levels among Populations of Switchgrass
S. Wullschleger (1996)
Photoprotection in an ecological context: the remarkable complexity of thermal energy dissipation.
B. Demmig-Adams (2006)
Effect of Leaf Rolling on Gas Exchange and Leaf Temperature of Andropogon gerardii and Spartina pectinata
S. Heckathorn (1991)
Biomass Production in Switchgrass across the United States: Database Description and Determinants of Yield
S. Wullschleger (2010)
Image processing with ImageJ
M. Abràmoff (2004)
Contrast: a collection of contrast methods. Version 0.19. http://cran.r-project. org/package=contrast
M Kuhn (2013)
The worldwide leaf economics spectrum. Nature 428:821–827
IJ Wright (2004)
Phylogenetic structural equation modelling reveals no need for an 'origin' of the leaf economics spectrum.
C. Mason (2016)
Core Team R (2015) nlme: linear and nonlinear mixed effects models
J Pinheiro (2016)
The Role of Ecotypic Variation in the Distribution of the Central Grassland of North America
C. Mcmillan (1959)
Land Clearing and the Biofuel Carbon Debt
Joseph E Fargione (2008)
Ecotypic Variation among Switchgrass Populations from the Northern USA
M. Casler (2005)
Trends Ecol Evol
Physicochemical and Environmental Plant Physiology
P. Nobel (1991)
R/qtl: QTL Mapping in Experimental Crosses
K. Broman (2003)
Chlorophyll fluorescence—a prac- tical guide
K Maxwell (2000)
OneMap: software for genetic mapping in outcrossing species.
G. Margarido (2007)
Biofuels and water use: comparison of maize and switchgrass and general perspectives. In: Wright JH, Evans DA Bioenerg. Res. Author's personal copy (eds) New research on biofuels
JR Kiniry (2008)
nlme : Linear and nonlinear mixed effects models
S. Debroy (2006)
Ecological interactions and the fitness effect of water-use efficiency: Competition and drought alter the impact of natural MPK12 alleles in Arabidopsis.
Brandon E. Campitelli (2016)
Genotypic variation in traits linked to climate and aboveground productivity in a widespread C₄ grass: evidence for a functional trait syndrome.
Michael J Aspinwall (2013)
Adaptation of Grasses to Water Stress-Leaf Rolling and Stomate Distribution
R. E. Redmann (1985)
Darwinian Agriculture: How Understanding Evolution Can Improve Agriculture
S. Shostak (2014)
Global Leaf Trait Relationships: Mass, Area, and the Leaf Economics Spectrum
J. L. D. Osnas (2013)
Linkage Maps of Lowland and Upland Tetraploid Switchgrass Ecotypes
D. Serba (2013)
Does greater leaf-level photosynthesis explain the larger solar energy conversion efficiency of Miscanthus relative to switchgrass?
F. Dohleman (2009)
Does greater leaf-level photosynthesis explain the larger solar energy con- version efficiency of Miscanthus relative to switchgrass? Plant, Cell Environ 32:1525–1537
FG Dohleman (2009)
Response of leaf water potential, stomatal resistance, and leaf rolling to water stress.
J. O'toole (1980)
Registration of Bliberty^ switchgrass
KP Vogel (2014)
Models of photosynthesis.
G. Farquhar (2001)
The evolution of the worldwide leaf economics spectrum.
L. Donovan (2011)
Investigation of genomic organization in switchgrass (Panicum virgatum L.) using DNA markers
A. Missaoui (2005)
Switchgrass Breeding, Genetics, and Genomics
M. Casler (2012)
The worldwide leaf economics spectrum
I. Wright (2004)
Ecotypic responses of switchgrass to altered precipitation.
J. C. Hartman (2012)
The genetic architecture of quantitative traits in locally adapted plant ecotypes
Elizabeth R. Milano (2015)
Chlorophyll fluorescence--a practical guide.
K. Maxwell (2000)
Biomass Yield and Stand Characteristics of Switchgrass in South Central U.S. Environments
K. A. Cassida (2005)
QTL Mapping for Reproductive Maturity in Lowland Switchgrass Populations
Hongxu Dong (2015)
An Analysis of Variation Between Upland and Lowland Switchgrass, Panicum Virgatum L., in Central Oklahoma
C. Porter (1966)
Photosynthesis, Leaf Anatomy, and Cellular Constituents in the Polyploid C(4) Grass Panicum virgatum.
D. A. Warner (1987)
High‐Density Single Nucleotide Polymorphism Linkage Maps of Lowland Switchgrass using Genotyping‐by‐Sequencing
Jason D. Fiedler (2015)
Sustainable bioenergy production from marginal lands in the US Midwest
I. Gelfand (2013)
Registration of ‘Liberty’ Switchgrass
K. Vogel (2014)
New research on biofuels
A High-Density Simple Sequence Repeat-Based Genetic Linkage Map of Switchgrass
L. Liu (2012)
An analysis of variation between upland and lowland switchgrass, Panicum virgatum L., in central Oklahoma
Porter CL (1966)
Biofuels and water use: comparison of maize and switchgrass and general perspectives
JR Kiniry (2008)
QTLs for Biomass and Developmental Traits in Switchgrass (Panicum virgatum)
D. B. Lowry (2015)
Beneficial Biofuels—The Food, Energy, and Environment Trilemma
D. Tilman (2009)
Stay wet or else: three ways in which plants can adjust hydraulically to their environment.
P. H. Maseda (2006)
Quantitative Trait Loci (QTL) Underlying Biomass Yield and Plant Height in Switchgrass
D. Serba (2014)
Breeding for high water-use efficiency.
A. G. Condon (2004)
Biomass yield and quality of 20 switchgrass populations in southern Iowa, USA.
R. Lemus (2002)
Spatial forecasting of switchgrass productivity under current and future climate change scenarios.
K. D. Behrman (2013)
Genetic linkagemapping and transmission ratio distortion in a threegeneration fourfounder population of Panicum virgatum ( L . ) . G 3 : Genes , Genomes
G Li (2014)
Designer synthetic media for studying microbial-catalyzed biofuel production
Xiaoyu Tang (2015)
Ecological and evolutionary lability of plant traits affecting carbon and nutrient cycling
L. Donovan (2014)
The Energy Independence and Security Act of 2007
Breck Norment (2011)
Feeding nine billion: the challenge to sustainable crop production.
Peter J. Gregory (2011)
Adaptations between Ecotypes and along Environmental Gradients in Panicum virgatum*
D. B. Lowry (2014)
Meeting US biofuel goals with less land: the potential of Miscanthus
E. Heaton (2008)
Assessment of drought tolerance of 49 switchgrass (Panicum virgatum) genotypes using physiological and morphological parameters
Yiming Liu (2015)
Physicochemical and Environmental Plant Physiology Ed. 4
P. Nobel (2009)
Latitudinal Adaptation of Switchgrass Populations
M. Casler (2004)
Measurement of leaf and canopy photosynthetic CO2 exchange in the field
S. Long (1996)
Models of pho- tosynthesis
GD Farquhar (2001)
Complete Switchgrass Genetic Maps Reveal Subgenome Collinearity, Preferential Pairing and Multilocus Interactions
M. Okada (2010)
Genetic Linkage Mapping and Transmission Ratio Distortion in a Three-Generation Four-Founder Population of Panicum virgatum (L.)
Guifen Li (2014)
Use of U.S. Croplands for Biofuels Increases Greenhouse Gases Through Emissions from Land-Use Change
T. Searchinger (2008)
Breeding Opportunities for Increasing the Efficiency of Water Use and Crop Yield in Temperate Cereals.
R. Richards (2002)
Switchgrass: a Valuable Biomass Crop for Energy
D. Bransby (2012)
Complete switchgrass genetic maps reveal subgenome col- linearity, preferential pairing and multilocus interactions. Genetics 185:745–760
M Okada (2010)
The genetics of divergence and reproductive isolation between ecotypes of Panicum hallii
D. B. Lowry (2015)
Contrast: a collection of contrast methods. Version 0.19
KuhnM (2013)
Improving Intrinsic Water-Use Efficiency and Crop Yield.
A. G. Condon (2002)
Switchgrass as a biofuels feedstock in the USA
M. Sanderson (2006)
The Switchgrass Genome: Tools and Strategies
M. Casler (2011)
nlme : linear and nonlinear mixed effects models
J Pinheiro (2015)
Plants and Microclimate, A Quantitative Approach to Environmental Plant Physiology
H. Jones (2013)
Image processing and classification algorithm for yeast cell morphology in a microfluidic chip.
Bo Yang Yu (2011)
Stomatal action
K Raschke (1975)

This paper is referenced by
Semantic Scholar Logo Some data provided by SemanticScholar