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Redbud

Cercis canadensis

Ozone injury usually appears as black or purple spots (stipple), yellow or white bleached spots (chlorotic mottle, needle tip burn), or leaf browning (necrosis). Ozone may also cause premature leaf drop (senescence).


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Healthy Redbud Tree
Courtesy, The Ohio State University, Scott Biggs
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Redbud Tree
Courtesy, Virginia Tech Forestry Department

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Redbud flowers
Courtesy, Virginia Tech Forestry Department
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Redbud Leaves
Courtesy, Virginia Tech Forestry Department
updated on 09/17/2006  I   http://www.nature.nps.gov/air/Pubs/bioindicators/redbud.cfm   I  Email: Webmaster