Groundnut

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).

Photo of Healthy Groundnut Courtesy, USDA PLANTS Database

Groundnut Leaves Courtesy, USDA Natural Resources Conservation Service

Photo of Groundnut Courtesy, USDA Natural Resources Conservation Service

Groundnut Leaves Courtesy, USDA Natural Resources Conservation Service