Black cherry

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 Black cherry Flowers Courtesy, USDA PLANTS Database

Healthy Black cherry Leaves Courtesy, USDA Ozone Biomonitoring Program

Ozone Injury to Black cherry Leaves Courtesy, USDA Ozone Biomonitoring Program

Ozone Injury to Black cherry Leaves Courtesy, USDA PLANTS Database