Dileepa Jayawardena
Research Associate, Michigan State University
Research Expertise
About
Publications
Effects of Drought on Nutrient Uptake and the Levels of Nutrient-Uptake Proteins in Roots of Drought-Sensitive and -Tolerant Grasses
Plants / Mar 30, 2018
Bista, D., Heckathorn, S., Jayawardena, D., Mishra, S., & Boldt, J. (2018). Effects of Drought on Nutrient Uptake and the Levels of Nutrient-Uptake Proteins in Roots of Drought-Sensitive and -Tolerant Grasses. Plants, 7(2), 28. https://doi.org/10.3390/plants7020028
Elevated CO2 plus
chronic warming reduce nitrogen uptake and
levels or activities of nitrogen‐uptake
and ‐assimilatory proteins in tomato roots
Physiologia Plantarum / Jan 19, 2017
Jayawardena, D. M., Heckathorn, S. A., Bista, D. R., Mishra, S., Boldt, J. K., & Krause, C. R. (2017). Elevated <scp>CO2</scp> plus chronic warming reduce nitrogen uptake and levels or activities of nitrogen‐uptake and ‐assimilatory proteins in tomato roots. Physiologia Plantarum, 159(3), 354–365. Portico. https://doi.org/10.1111/ppl.12532
Effect of drought and carbon dioxide on nutrient uptake and levels of nutrient‐uptake proteins in roots of barley
American Journal of Botany / Oct 01, 2020
Bista, D. R., Heckathorn, S. A., Jayawardena, D. M., & Boldt, J. K. (2020). Effect of drought and carbon dioxide on nutrient uptake and levels of nutrient‐uptake proteins in roots of barley. American Journal of Botany, 107(10), 1401–1409. Portico. https://doi.org/10.1002/ajb2.1542
Elevated carbon dioxide plus chronic warming causes dramatic increases in leaf angle in tomato, which correlates with reduced plant growth
Plant, Cell & Environment / Jan 18, 2019
Jayawardena, D. M., Heckathorn, S. A., Bista, D. R., & Boldt, J. K. (2019). Elevated carbon dioxide plus chronic warming causes dramatic increases in leaf angle in tomato, which correlates with reduced plant growth. Plant, Cell & Environment, 42(4), 1247–1256. Portico. https://doi.org/10.1111/pce.13489
Confirmation of morphophysiological dormancy in sandalwood (Santalum album, Santalaceae) seeds
Journal of the National Science Foundation of Sri Lanka / Sep 24, 2015
Jayawardena, M. D. M., Jayasuriya, K. G., & Walck, J. L. (2015). Confirmation of morphophysiological dormancy in sandalwood (Santalum album, Santalaceae) seeds. Journal of the National Science Foundation of Sri Lanka, 43(3), 209. https://doi.org/10.4038/jnsfsr.v43i3.7949
A meta-analysis of the combined effects of elevated carbon dioxide and chronic warming on plant %N, protein content and N-uptake rate
AoB PLANTS / May 25, 2021
Jayawardena, D. M., Heckathorn, S. A., & Boldt, J. K. (2021). A meta-analysis of the combined effects of elevated carbon dioxide and chronic warming on plant %N, protein content and N-uptake rate. AoB PLANTS, 13(4). https://doi.org/10.1093/aobpla/plab031
Effects of Elevated Carbon Dioxide and Chronic Warming on Nitrogen (N)-Uptake Rate, -Assimilation, and -Concentration of Wheat
Plants / Dec 01, 2020
Jayawardena, D. M., Heckathorn, S. A., & Boldt, J. K. (2020). Effects of Elevated Carbon Dioxide and Chronic Warming on Nitrogen (N)-Uptake Rate, -Assimilation, and -Concentration of Wheat. Plants, 9(12), 1689. https://doi.org/10.3390/plants9121689
Spring wheat yield and grain quality response to nitrogen rate
Agronomy Journal / Jul 01, 2022
Walsh, O. S., Marshall, J., Nambi, E., Shafian, S., Jayawardena, D., Jackson, C., Lamichhane, R., Owusu Ansah, E., & McClintick‐Chess, J. (2022). Spring wheat yield and grain quality response to nitrogen rate. Agronomy Journal, 114(4), 2562–2572. Portico. https://doi.org/10.1002/agj2.21101
Elevated Carbon Dioxide and Chronic Warming Together Decrease Nitrogen Uptake Rate, Net Translocation, and Assimilation in Tomato
Plants / Apr 08, 2021
Jayawardena, D. M., Heckathorn, S. A., Rajanayake, K. K., Boldt, J. K., & Isailovic, D. (2021). Elevated Carbon Dioxide and Chronic Warming Together Decrease Nitrogen Uptake Rate, Net Translocation, and Assimilation in Tomato. Plants, 10(4), 722. https://doi.org/10.3390/plants10040722
Cellular and whole‐organism effects of prolonged versus acute heat stress in a montane, desert lizard
Journal of Experimental Zoology Part A: Ecological and Integrative Physiology / Nov 01, 2020
Refsnider, J. M., Vazquez, T. K., Clifton, I. T., Jayawardena, D. M., & Heckathorn, S. A. (2020). Cellular and whole‐organism effects of prolonged versus acute heat stress in a montane, desert lizard. Journal of Experimental Zoology Part A: Ecological and Integrative Physiology, 335(1), 126–135. Portico. https://doi.org/10.1002/jez.2426
Wheat yield and protein estimation with handheld‐ and UAV‐based reflectance measurements
Agrosystems, Geosciences & Environment / Jan 01, 2022
Walsh, O. S., Marshall, J., Jackson, C., Nambi, E., Shafian, S., Jayawardena, D. M., Lamichhane, R., Owusu Ansah, E., & McClintick‐Chess, J. R. (2022). Wheat yield and protein estimation with handheld‐ and UAV‐based reflectance measurements. Agrosystems, Geosciences & Environment, 5(4). Portico. https://doi.org/10.1002/agg2.20309
Comparative productivity of six bioenergy cropping systems on marginal lands in the Great Lakes Region, United States
Agronomy Journal / Jul 18, 2023
Jayawardena, D. M., Robertson, G. P., Sanford, G. R., & Thelen, K. D. (2023). Comparative productivity of six bioenergy cropping systems on marginal lands in the Great Lakes Region, United States. Agronomy Journal, 115(5), 2451–2468. Portico. https://doi.org/10.1002/agj2.21416
UAV‐based NDVI estimation of sugarbeet yield and quality under varied nitrogen and water rates
Agrosystems, Geosciences & Environment / Feb 16, 2023
Walsh, O. S., Nambi, E., Shafian, S., Jayawardena, D. M., Ansah, E. O., Lamichhane, R., & McClintick‐Chess, J. R. (2023). UAV‐based NDVI estimation of sugarbeet yield and quality under varied nitrogen and water rates. Agrosystems, Geosciences & Environment, 6(1). Portico. https://doi.org/10.1002/agg2.20337
Grain yield, quality, and spectral characteristics of wheat grown under varied nitrogen and irrigation
Agrosystems, Geosciences & Environment / Jan 01, 2020
Walsh, O. S., Torrion, J. A., Liang, X., Shafian, S., Yang, R., Belmont, K. M., & McClintick‐Chess, J. R. (2020). Grain yield, quality, and spectral characteristics of wheat grown under varied nitrogen and irrigation. Agrosystems, Geosciences & Environment, 3(1). Portico. https://doi.org/10.1002/agg2.20104
Education
University of Toledo
PhD, Biology (Ecology-Track) / May, 2020
The University of Toledo
MS, Biology (Ecology-Track) / December, 2015
Experience
Michigan State University
Research Associate-Fixed Term / April, 2021 — Present
(1) Investigated the sustainability of cellulosic bioenergy cropping systems on marginal lands in the Great Lakes Region, USA. (2) Investigated the productivity of industrial hemp varieties for grain, fiber and cellulosic bioenergy production. (3) Investigating the corn stover removal effects on grain and stover yield and quality plus soil quality.
University of Idaho
Post-Doctoral Fellow / June, 2020 — March, 2021
Investigated the effects of different water and nutrient management practices on crop growth and quality of wheat, sugar beets, hops, and garden beans.
The University of Toledo
Graduate Assistant / January, 2014 — May, 2020
(1) Conducted a meta-analysis to investigate the effects of CO2 enrichment and global warming on N and protein concentration in plant tissues and root N uptake rate. (2) Investigated root uptake rate, translocation, and assimilation of N in tomato and wheat in response to elevated CO2 and chronic warming using 15N stable isotopes and protein biochemistry. (3) Investigated phenotypic changes of leaves in three tomato cultivars, soybean, marigold, okra, and sunflower in response to elevated CO2 and chronic warming by measuring leaf angle and physiological parameters. (4) Investigated the relationship between N transporters and N uptake of tomato and barley in response to elevated CO2 and forms plus levels of inorganic N using protein- and N-analyses.
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