Red elderberry

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).

Healthy Red elderberry Courtesy, Virginia Tech Forestry Department

Healthy Red elderberry Courtesy, USDA PLANTS Database

Ozone Injury to Red elderberry Courtesy, LWF Ozone Injury Databank

Healthy Red elderberry Courtesy, Virginia Tech Forestry Department

Ozone Injury to Red elderberry Courtesy, LWF Ozone Injury Databank

Ozone Injury to Red elderberry Courtesy, LWF Ozone Injury Databank