TY - JOUR
T1 - The impact of ozone on a salt marsh cordgrass (Spartina alterniflora)
AU - Taylor, Matthew D.
AU - Sinn, Judith P.
AU - Davis, Donald D.
AU - Pell, Eva J.
N1 - Funding Information:
The authors acknowledge financial support from the USDI Fish and Wildlife Service (FWS), Denver, CO, and thank FWS personnel for providing the S. alterniflora plants. The authors thank Christian Vinten-Johansen, Marc Kovach, Amber Dance, Joanne McCloskey, and Jennifer Pavesi for technical assistance. Department of Plant Pathology Contribution No. 2080.
PY - 2002/12
Y1 - 2002/12
N2 - Spartina alterniflora plants were collected from salt marshes within New Jersey, South Carolina, and Georgia USA and shipped to The Pennsylvania State University. New plants were grown from rhizomes in six open-top field chambers. Three chambers received charcoal-filtered air, and three received charcoal-filtered air plus 80 ppb ozone, 8 h/day for 65 days. Flower, leaf, and shoot number per plant were recorded weekly. Photosynthetic rates were measured in week 5, and foliar injury was assessed during week 9. Final dry weight of roots, shoots, and rhizomes were determined. While ozone-treated plants from all states expressed symptoms of ozone injury, plants from South Carolina exhibited no effect of ozone on any other measured variable. Plants from the Georgia site showed ozone-induced reductions in all measured variables except leaf dry weight. Ozone-treated plants from New Jersey showed reductions in photosynthetic rate, leaf and shoot number, and root dry weights. Only plants from New Jersey produced flowers, with ozone treatment causing delay in flowering and reduction in the number of flower spikes produced.
AB - Spartina alterniflora plants were collected from salt marshes within New Jersey, South Carolina, and Georgia USA and shipped to The Pennsylvania State University. New plants were grown from rhizomes in six open-top field chambers. Three chambers received charcoal-filtered air, and three received charcoal-filtered air plus 80 ppb ozone, 8 h/day for 65 days. Flower, leaf, and shoot number per plant were recorded weekly. Photosynthetic rates were measured in week 5, and foliar injury was assessed during week 9. Final dry weight of roots, shoots, and rhizomes were determined. While ozone-treated plants from all states expressed symptoms of ozone injury, plants from South Carolina exhibited no effect of ozone on any other measured variable. Plants from the Georgia site showed ozone-induced reductions in all measured variables except leaf dry weight. Ozone-treated plants from New Jersey showed reductions in photosynthetic rate, leaf and shoot number, and root dry weights. Only plants from New Jersey produced flowers, with ozone treatment causing delay in flowering and reduction in the number of flower spikes produced.
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U2 - 10.1016/S0269-7491(02)00178-1
DO - 10.1016/S0269-7491(02)00178-1
M3 - Article
C2 - 12442793
AN - SCOPUS:0036887636
SN - 0269-7491
VL - 120
SP - 701
EP - 705
JO - Environmental Pollution
JF - Environmental Pollution
IS - 3
ER -