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USDA-ARS Air Quality Research Unit Publication List

1995 –2004

1995

  1. Booker, F.L. and E.L.Fiscus. 1995. Measurement and modeling of ultraviolet-B irradiance. IN: Climate Change and Rice (S.Peng, K.T.Ingram, H.U.Neue and L.H.Ziska, eds.). Springer-Verlag, BerlinHeidelberg, pp 147-157.
  1. Booker, F.L., S.Brunschn-Harti, C.D.Reid, E.L.Fiscus and J.E.Miller. 1995. Photorespiration in soybean treated with elevated carbon dioxide and ozone in open-top chambers. Plant Physiology 108 (S): 63.
  1. Booker, F.L., S.Anttonen and A.S. Heagle. 1995. Catechin, proanthocyanidin and lignin contents of loblolly pine (Pinus taeda L.) needles after chronic exposure to ozone. 27th Annual Air Pollution Workshop, Cuernavaca, Mexico. 6 - 9 March.
  1. Fiscus, E.L. and F.L. Booker. 1995. Is increased UV-B a threat to crop photosynthesis and productivity? Photosynthesis Research 43: 81-92.
  1. Fiscus, E.L., F.L. Booker, J.E.Miller and C.D.Reid. 1995. Response of soybean leaf water relations to tropospheric ozone. Canadian Journal of Botany 73: 517-526.
  1. Fisher, D.S., J.C.Burns and A.S. Heagle. 1995. The effects of ozone stress on white clover anatomy and nutritive value. Proc-South-Pasture-Forage-Crop-Improv-Conf. New 0rleans : Agricultural Research Service (Southern Region), U.S. Dept. of Agriculture, pp. 25-30.
  1. Heagle, A.S., J.E. Miller, B.I. Chevone, T.W. Dreschel, W.J. Manning, P.M. McCool, C.L. Morrison, G.E. Neely and J. Rebbeck. 1995. Response of a white clover indicator system to tropospheric ozone at eight locations in the United States. Water-Air-Soil-Pollution 85:1373-1378.
  1. Miller, J.E., S.F.Vozzo, R.P.Patterson, W.A.Pursley and A.S. Heagle. 1995. Effects of ozone and water deficit on field-grown soybean. II. Leaflet nonstructural carbohydrates. Journal of Environmental Quality 24:670-677.
  1. Reid, C.D., E.L.Fiscus and F.L. Booker. 1995. Is photorespiration affected by long-term ozone fumigation and carbon dioxide-enrichment? Bulletin of the Ecological Society of America 76 (S): 223.
  1. Vozzo, S.F., J.E.Miller, W.A.Pursley and A.S. Heagle. 1995. Effects of ozone and water deficit on field-grown soybean. I. Leaf gas exchange. Journal of Environmental Quality 24:663-670.

1996

  1. Anttonen, S.K. 1996. Impacts of ozone and other air pollutants on pine needle lipids: microscopical and chemical studies (Pinus sylvestris, Pinus halepensis, Pinus taeda). Ph.D. dissertation, Kupio University, Finland. 65 pp.
  1. Anttonen, S., M.-L. Sutinen, and A.S.Heagle. 1996. Ultrastructure and some plasma membrane characteristics of ozone-exposed loblolly pine needles. Physiologia Plantarum98:309-319.
  1. Booker, F.L., S.Anttonen and A.S. Heagle. 1996. Catechin, proanthocyanidin and lignin contents of loblolly pine (Pinus taeda L.) needles after chronic exposure to ozone. New Phytologist 132: 483-492.
  1. Booker, F.L., L.H.Pitcher, A.S. Heagle, J.E.Miller and B.A.Zilinskas. 1996. Effects of chronic ozone exposure on transgenic tobacco overexpressing cytosolic Cu/Zn superoxide dismutase. 28th Annual Air Pollution Workshop, Raleigh, NC. 13-17 April.
  1. Brunschon-Harti, S., F.L. Booker, A.Fangmeier, H-J. Jager, and J.E.Miller. 1996. Influence of elevated CO2 and ozone on enzymes related to photorespiration in soybean. Verhandlungender Gesellschaft fur Okologie 26:625-628.
  1. Eason, G., R.A.Reinert, and J.E.Simon. 1996. SO2-enhanced phytotoxicity of O3 to watermelon. Journal of the American Society for Horticultural Science 12: 718-721.
  1. Fiscus, E.L., F.L. Booker and J.E.Miller. 1996. Response of soybean bulk leaf water relations to ultraviolet-B irradiation. Journal of Plant Physiology 148: 63-68.
  1. Heagle, A.S. and J.E.Miller. 1996. Effects of rooting medium and fertilizer rate on response of white clover to tropospheric ozone. Environmental Pollution91: 113-119.
  1. Heagle, A., J.E. Miller, B. Chevone, T. Dreschel, W. Manning, P. McCool, C. Morrison, G. Neely, and J. Rebbeck. 1996. Response of a white clover indicator system to tropospheric ozone at eight locations in the United States. Water, Air, and Soil Pollution85: 1373-1378.
  1. Heagle, A.S., R.Reinert, and I. Miller. 1996. White clover response to ozone in different environments. Journal of Environmental Quality 25:273-278.
  1. Johnson, J.D., A.H.Chappelka, F.P.Hain and A.S. Heagle. 1996. Interactive effects of air pollutants with abiotic and biotic factors on southern pine forests. IN: Impact of Air Pollutants on Southern PineForests, vol. 118, New York, Springer-Verlag, pp. 280-312.
  1. Reinert, R.A., S.R.Shafer, G.Eason, M.M. Schoeneberger, and S.I.Horton. 1996. Responses of loblolly pine to ozone and simulated acidic rain. Canadian Journal of Forest Research 26: 1715- 1723.
  2. Shafer, S.R., M.M. Schoeneberger, S.I.Borton, C.B.Davey and I.E. Miller. 1996. Effects of rhizobium, arbuscular mycorrhizal fungi, and anion content of simulated rain on subterranean clover. Environmental Pollution92 (1):55-66.

1997

  1. Booker, F.L., C.D.Reid, S.Brunschon-Harti, E.L.Fiscus and J.E.Miller. 1997. Photosynthesis and photorespiration in soybean [Glycine max (L.) Merr.] chronically exposed to elevated carbon dioxide and ozone. Journal of Experimental Botany 48: 1843-1852.
  1. Booker, F.L. 1997. Effects of elevated CO2 and nitrogen on proanthocyanidins in cotton. Plant Physiology 114 (S): 111. Vancouver, BC, 2-6 August.
  1. Burns, J.C., A.S. Heagle and D.S.Fisher. 1997. Nutritive value of ozone sensitive and resistant Ladino white clover clones after chronic ozone and carbon dioxide exposure. ASA special publication no. 61. IN: Advances in Carbon Dioxide Effects Research. eds. L.H.Allen, Jr., M.B.Kirkham, D.M.Olszk, and C.E.Whitman. Nov. 7-12, 1993, Cincinnati, OH. Pp. 153-167.
  1. Fiscus, E.L., C.D.Reid, J.E.Miller and A.S. Heagle. 1997. Elevated CO2 reduces O3 flux and O3-induced yield losses in soybeans: possible implications for elevated CO2 studies. Journal ofExperimental Botany 48:307-313.
  1. Fisher, D.S., A.S. Heagle and J.C.Burns. 1997. Anatomy of clover exposed to enriched ozone and carbon dioxide. ASA special publication no. 61. IN: Advances in Carbon Dioxide Effects Research. eds. L.H.Allen, Jr., M.B.Kirkham, D.M.Olszk, and C.E.Whitman. Nov. 7-12, 1993, Cincinnati, OH. Pp. 169-177.
  1. MacKay, J.J., D.M.O’Malley, T. Presnell, F.L. Booker, M.M. Campbell, R.W. Whetten and R.R. Sederoff. 1997. Inheritance, gene expression, and lignin characterization in a mutant pine deficient in cinnamyl alcohol dehydrogenase. Proceedings of the National Academy of Sciences, USA 94: 8255-8260.
  1. Miller, I.E., S.R.Shafer, M.M. Schoeneberger, W.A.Pursley, S.I.Horton, and C.Davey. 1997. Infuence of a mycorrhizal fungus and/or rhizobium on growth and biomass partitioning of subterranean clover exposed to ozone. Water, Air, and Soil Pollution 96:233-248.
  1. Reinert, R.A., G.Eason and J.Barton. 1997. Growth and fruiting of tomato as influenced by elevated carbon dioxide and ozone. New Phytologist 137:411-420.

1998

  1. Booker, F.L. and J.E.Miller. 1998. Phenylpropanoid metabolism and phenolic composition of soybean [Glycine max (L.) Merr.] leaves following exposure to ozone. Journal of Experimental Botany 49:1191-1202.
  1. Booker, F.L., E.L.Fiscus, and J.E.Miller. 1998. Effects of elevated CO2 on O3 uptake and injury in soybean. Plant Physiology 1998 Suppl. p. 113 (abstract).
  1. Bradow, J.M., A.S. Heagle, and W.A.Pursley. 1998. Interactive effects of ozone, carbon dioxide, and soil nitrogen on cotton fiber properties. ASA/CSSA/SSSA Annual Meeting. Oct 18-22. p. 107. (abstract)
  1. Bradow, J.M., A.S. Heagle and W.A.Pursley. 1998. Interactive effects of ozone, carbon dioxide, and soil nitrogen on cotton fiber properties. Proceedings of the BeltwideCotton Conference, Memphis, TN, v. 2:1365-1366.
  1. Burkey, KentO. and JamesN.Mathis. 1998. Identification of a novel isoform of the chloroplast-coupling factor alpha-subunit. Plant Physiology 116:703-708.
  1. Chevone, B., A.S. Heagle, W.Manning, A.Varbanov, and S.Krupa. 1998. Relating ambient ozone concentrations to adverse biomass responses of white clover: A case study. Paper No. 98-RP106.04. In: Abstracts, 91st Annual Meeting & Exhibition of the Air & Waste Management Association, June 14-18, 1998San Diego, CA. p. 322. (abstract)
  1. Heagle, A.S., J.E.Miller, and F.L. Booker. 1998. Influence of ozone stress on soybean response to carbon dioxide enrichment. I. Foliar properties. Crop Science 38:113-121.
  1. Heagle, A.S., J.E.Miller, and W.A.Pursley. 1998. Influence of ozone stress on soybean response to carbon dioxide enrichment. III. Yield and seed quality. Crop Science 38:128-134.
  1. Hellkamp, A.S., S.R. Shafer, C.L. Campbell, J.M. Bay, D.A. Fiscus, G.R. Hess, B.F. McQuaid, M.J. Muster, G.L. Olson, S.L. Peck, K.N. Easterling, K. Sidik and M.B. Tooley. 1998. Assessment of the condition of agricultural lands in five mid-Atlantic states. Environmental Monitoring & Assessment 51:317-324.
  1. Holmes, G.J., M.A.Cubeta, and A.S. Heagle. 1998. Susceptibility of commercial potato cultivars to ozone Injury, 1997. Biological and Cultural Tests 13:105.
  1. Hummel, RobertL., RickL.Brandenburg, AllenS.Heagle, and ConsueloArellano. 1998. Effects of ozone on reproduction of two spotted spider mites (Acari: Tetranychidae) on white clover. Journal of Environmental Entomology 27(2):338-394.
  1. Miller, J.E., A.S. Heagle, and W.A.Pursley. 1998. Combined effects of elevated carbon dioxide and ozone on Wheat. 1998 Annual Meeting Abstract. American Society of Agronomy Oct 18-22. p. 106. (abstract)
  1. Miller, J.E., A.S. Heagle, and W.A.Pursley. 1998. Influence of ozone stress on soybean response to carbon dioxide enrichment. II. Biomass and development. Crop Science 38:122-128.
  1. Reid, C.D., E.L.Fiscus, and K.O.Burkey. 1998. Combined effects of chronic ozone and elevated CO2 on Rubisco activity and leaf components in soybean (Glycine max). Journal of Experimental Botany 49:1999-2011.
  1. Reid, C.D. and E.L.Fiscus. 1998. Effects of elevated [CO2] and/or ozone on limitations to CO2 assimilation in soybean (Glycine max). Journal of Experimental Botany 49: 885-896.
  1. Reid, C.D. and E.L.Fiscus. 1998. Effect of elevated CO2 and O3 on seed yield. Ecological Society of America Bulletin 79:208.
  1. Shafer, S.R., U. Blum, S.J.Horton, and D.L.Hesterberg. 1998. Biomass of tomato seedlings exposed to an allelopathic phenolic acid and enriched atmospheric carbon dioxide. Water, Air, and Soil Pollution 106:123-136.

1999

  1. Burkey, K.O. 1999. Effects of ozone on the apoplast/cytoplasm partitioning of ascorbic acid in snap bean. PhysiologiaPlantarum 107:188-193.
  1. Burkey, K.O. 1999. Effect of ozone on leaf apoplast ascorbic acid content. ASPP Plant Biology 1999 Meeting Abstracts, pg. 112.
  1. Burkey, Kent O. 1999. Apoplast ascorbic acid in ozone-sensitive and tolerant snap beans, 31st Air Pollution Workshop, Corvallis, Oregon
  1. Fiscus, E.L., F.L. Booker, A.B. Britt, and R.B. Philbeck. 1999. Growth of Arabidopsis flavonoid mutants under solar radiation and UV filters. Environmental and Experimental Botany 41:231-245.
  1. Gimeno, B.S., V. Bermejo, R.A. Reinert, Y. Zheng and J.D. Barnes. 1999. Adverse effects of ambient ozone on watermelon yield and physiology at a rural site in Eastern Spain. New Phytologist 144: 245-260.
  1. Heagle, A.S., F.L. Booker, J.E. Miller, E.L. Fiscus, W.A. Pursley, and L.A. Stefanski. 1999. Influence of daily carbon dioxide exposure duration and root environment on soybean response to elevated carbon dioxide. Journal of Environmental Quality 28:666-675.
  1. Heagle, A.S., J.E. Miller, F.L. Booker and W.A. Pursley. 1999. Ozone stress, carbon dioxide enrichment and nitrogen fertility interactions in cotton. Crop Science 39:731-741.
  1. Hudak, C., J. Bender, H. J. Weigel, and J. E. Miller. 1999. Interactive effects of elevated CO2, O3, and soil water deficit on spring wheat (Triticum aestivum L. cv. Nandu). Agronomie 19:677-687.
  1. Jackson, D.M., A.S. Heagle, and R.V.W. Eckel. 1999. Ovipositional response of tobacco hornworm moths (Lepidoptera: Sphingidae) to tobacco plants grown under elevated levels of ozone. Environmental Entomology 28 (4):566-571.
  1. Reid, C.D., E.L. Fiscus, and K.O. Burkey. 1999. Effect of chronic ozone and elevated atmospheric CO2 concentrations on ribulose-1, 5-bisphosphate in soybean (Glycine max). Physiologia Plantarum 106:378-385.
  1. Warren, J.M., H.L. Allen, F.L. Booker. 1999. Mineral nutrition, resin flow and phloem phytochemistry in loblolly pine. Tree Physiology 19:655-663.

2000

  1. Booker, F.L. 2000. Influence of carbon dioxide enrichment, ozone and nitrogen fertilization on cotton (Gossypium hirsutum L.) leaf and root composition. Plant, Cell and Environment 23:573-583.
  1. Booker, F.L., S.R. Shafer, W. Caimiao and S. Horton. 2000. Carbon dioxide enrichment, and nitrogen fertilization effects on cotton (Gossypium hirsutum L.) plant residue chemistry and decomposition. Plant and Soil 220:89-98.
  1. Burkey, K.O., C. Wei, G. Eason, P. Ghosh and G.P. Fenner. 2000. Antioxidant metabolites levels in ozone-sensitive and tolerant genotypes of snap beans. Physiologia Plantarum 110:195-200.
  1. Burkey, Kent O. 2000. Extracellular ascorbic acid content in ozone-sensitive and tolerant snap bean genotypes, 32nd Air Pollution Workshop, Auburn, Alabama.
  1. Heagle, A.S., J.E. Miller and W.A. Pursley. 2000. Growth and yield responses of winter wheat to mixtures of ozone and carbon dioxide. Crop Science 40:1656-1664.
  1. Heagle, A.S. and L.A. Stefanski. 2000. Relationship between ambient ozone regimes and white clover forage production using different ozone exposure indexes. Environmental Pollution. 34:735-744.
  1. Jackson, D.M., T.W. Rufty, A.S. Heagle, R.F. Severson, and R.V.W. Eckel. 2000. Survival and development of tobacco hornworm larvae on tobacco plants grown under elevated levels of ozone. Journal of Chemical Ecology 26:1-19.
  1. Mills, G., G. Ball, F. Hayes, L. Skarby, B. Gimeno, L. de Temmerman and A.S. Heagle. 2000. Development of a multi-factor model for predicting the critical level of ozone for white clover. Environment Pollution 109:533-542.
  1. Reinert, R.A. and G. Eason. 2000. Genetic control of O3 sensitivity in a cross between two cultivars of snapbean. Journal of the American Society for Horticultural Science 125: 222-227.

2001

  1. Booker, F.L. and K. Burkey. 2001. Extracellular RNase in snap bean leaves is stimulated by ozone. Plant Biology 2001 meeting abstract #458, p.105.
  1. Booker, F. L. and C. Maier. 2001. Atmospheric carbon dioxide, irrigation, and fertilization effects on phenolic and nitrogen concentrations in loblolly pine (Pinus taeda L.) needles. Tree Physiology 21:609-616.
  1. Booker, F.L. and K.O. Burkey. 2001. Stimulation of RNase activity by ozone stress. European Science Foundation Workshop, Adaptation of plant populations to environmental insult, Newcastle, UK. July 27-30.
  1. Burkey, K.O. 2001. Leaf extracellular ascorbic acid as a factor in ozone tolerance. Plant Biology 2001 meeting abstract #456, p. 105.
  1. Burkey, Kent O. 2001. Leaf extracellular ascorbic acid as a factor in ozone tolerance, 33rd Air Pollution Workshop, Riverside, California.
  1. Costa, S.D., G.G. Kennedy and A.S Heagle. 2001. Effect of host plant ozone stress on Colorado potato beetles. Environmental Entomology 30: 824-831.
  1. Fiscus, E.L., F.L. Booker, C.D. Reid, and J.E. Miller. 2001. Unconsidered environmental stresses may cause overestimates of the CO2-fertilization effect. Paper S33 in PS2001: Proceedings 12th International Congress on Photosynthesis.
  1. Krupa, S.V., G.T. McGrath, C. P. Andersen, F.L. Booker, K.O. Burkey, A. Chappelka, B. Chevone, E. Pell, and B. Zilinskas. 2001. Ambient ozone and plant health. Plant Disease Vol. 85(1): 4-12.

2002

  1. Booker, F.L., E.L. Fiscus and J.E. Miller. 2002. Combined effects of elevated atmospheric CO2 and ozone on soybean whole-plant water use. USDA Symposium on Natural Resource Management to Offset Greenhouse Gas Emissions, Nov. 19-21, Raleigh, NC.
  1. Burkey, K.O., and G. Eason. 2002. Ozone tolerance in snap bean is associated with elevated ascorbic acid in the leaf apoplast. Physiologia Plantarum 114: 387-394.
  1. Burkey, Kent O., Howard Neufeld, Lara Souza, Art Chappelka, Alan Davison. 2002. Seasonal profiles of leaf ascorbic acid in ozone-sensitive wildflowers, 34th Air Pollution Workshop, State College, Pennsylvania
  1. Fiscus, E. L. and F.L. Booker. 2002. Growth of Arabidopsis flavonoid mutant is challenged by radiation longer than the UV-B band. Environmental and Experimental Botany 48:213-224.
  1. Fiscus, E.L., J.E. Miller, F.L. Booker, A.S. Heagle and C.D. Reid. 2002. The impact of ozone and other limitations on the crop productivity response to CO2. Technology 8: 181-192.
  1. Heagle, A.S., J.C. Burns, D.E. Fisher, and J.E. Miller. 2002. Effects of carbon dioxide enrichment on reproduction of twospotted spider mites on white clover. Environmental Entomology. 31 (4):594-601.
  1. Heagle, A.S., J.E. Miller, K.O. Burkey, G.P. Eason, and W.A. Pursley. 2002. Growth and yield responses of Phaseolus vulgaris to mixtures of carbon dioxide and ozone. Journal of Environmental Quality 31:2008-2014.
  1. Niyogi, D., K. Alapaty, R. Boyles, F.L. Booker and E.L. Fiscus. 2002. Assessing environmental feedback on carbon assimilation over southeastern US. USDA Symposium on Natural Resource Management to Offset Greenhouse Gas Emissions, Nov. 19-21, Raleigh, NC.

2003

  1. Booker, F.L. and E.L. Fiscus. 2003. Effects of elevated carbon dioxide and ozone on soybean [Glycine max (L.) Merr.] transpiration. ASA/CSSA/SSSA Annual Meeting, Nov. 2-6, Denver, CO.
  1. Britt, A., and E.L. Fiscus. 2003. Growth and yield responses of Arabidopsis DNA repair mutants to solar radiation. Physiologia Plantarum 118:183-192.
  1. Burkey, K.O., G. Eason, and E.L. Fiscus. 2003. Factors that affect extracellular ascorbic acid content and redox status. Physiologia Plantarum 117:51-57.
  1. Fiscus, E.L., F.L. Booker and A. Britt. 2003. Responses of DNA repair and flavonoid deficient Arabidopsis mutants to solar UV -B radiation. 31st Annual Meeting of the American Society for Photobiology, July 5-9, Baltimore, MD.
  1. Fiscus, E.L., F.L. Booker and M. Flowers. 2003. Turgor maintenance in elevated CO2. ASPB Annual Meeting, July 25-30, Honolulu, HI.
  1. Fuhrer, J., and F.L. Booker. 2003. Ecological issues related to ozone: agricultural issues. Environment International. 29:141-154.
  1. Heagle, A.S., 2003. Influence of elevated carbon dioxide on interactions between Frankliniella occidentalis and Trifolium repens. Environmental Entomology 32: 421-424.
  1. Heagle, A.S., J.E. Miller, W.A. Pursley. 2003. Growth and yield responses of potato to mixtures of carbon dioxide and ozone. Journal of Environmental Quality 32:1603-1610.
  1. Niyogi, D., F.L. Booker, C. Dehui, C. F. Chen, H.-I. Chang, T. Holt, V. Saxena and R. Wells. 2003. Effect of aerosols, clouds and atmospheric pollutants on the terrestrial biosphere. National Conference on Advances in Environmental Sciences and Engineering. India.

2004

  1. Booker, F. 2004. Influence of ozone on ribonuclease activity in wheat (Triticum aestivum L.) leaves. Physiologia Plantarum 120:249-255.
  1. Booker, F.L., E.L. Fiscus, and J.E. Miller. 2004. Combined effects of elevated atmospheric carbon dioxide and ozone on soybean whole-plant water use. Environmental Management: in press.
  1. Booker, F.L., K.O. Burkey, K. Overmyer and A.M. Jones. 2004. Differential responses of G-protein Arabidopsis thaliana mutants to ozone. New Phytologist.
  1. Booker, F.L., Fiscus, E.L., and Miller, J. E. 2004. The role of ozone flux in the suppression of ozone injury by elevated carbon dioxide in soybean. Plant Cell and Environment.
  1. Booker, F.L., J.E. Miller, E.L. Fiscus, W.A. Pursley and L.A. Stefanski. 2004. Comparative effects of rooting environment on soybean (Glycine max (L.) Merr.] responses to elevated CO2 and O3. Plant, Cell and Environment.
  1. Booker, F.L., S.A. Prior, H.A. Torbert, E.L. Fiscus, W.A. Pursley and S. Hu. 2004. Influence of elevated CO2 and O3 on soybean residue chemistry, decomposition and microbial biomass. Plant, Cell and Environment.
  1. Burkey, K.O., Heagle, A.S., Miller, J.E. and E.L. Fiscus. 2004. Assessment of ambient ozone effects on vegetation using snap bean as a bio-indicator species. Journal of Environmental Quality.
  1. Burkey, K.O., H.S. Neufeld, L. Souza, A. H. Chappelka, A.W. Davison. 2004. Seasonal profiles of leaf ascorbic acid metabolism in ozone-sensitive wildflowers. Environmental Pollution.
  1. Fiscus, E.L. and F. L. Booker. 2004. Response of soybean leaf water relations to elevated CO2. Plant, Cell and Environment.
  1. Fiscus, E.L., Booker, F.L. 2004. Soybean (Glycine max) leaf water relations responses to elevated CO2 are influenced by cultural conditions. Physiologia Plantarum.
  1. Neufeld, H.S., A.W. Davison, A. H. Chappelka, K.O. Burkey, P.L. Finkelstein. 2004. Foliar injury caused by exposure to ozone reduces the absorbance of light in leaves of cutleaf coneflower (Rudbeckia laciniata var. digitata). Southeastern Biology.
  1. Peoples, S., H.S. Neufeld, P.L. Finkelstein A.W. Davison, A. H. Chappelka, K.O. Burkey. 2004. Seasonal development of stand structure for cutleaf coneflower (Rudbeckia laciniata) at two sites in the Great Smoky Mountains National Park: Influences on ozone uptake. Southeastern Biology.
  1. Reid, C.D. and E.L.Fiscus. 2004. Is the rice yield response to elevated CO2 and ozone affected by resource availability? Global Change Biology.