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Radish

Raphanus sativus L.

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Symptoms induced in controlled conditions (fumigation with ozone)

cv. Pernot

Interveinal chorosis in leaves of radish cv. Pernot caused by ozone exposure (A and C). Ozone lesions turn into brownish whit chronic exposures (B). At the end of the experiment ozone-affected leaves show severe dehydration (D and E).

cv. Cherry Belle

Ozone exposure produces two kinds of lesions on radish cv. Cherry Belle: necrosis (A and C) and interveinal chlorosis (B, D and E). Ozone symptoms appears close to the main vein that appears green and healthy (B and D).

cv. Murciano

Upper (A) and lower (B) surfaces of leaves from radish cv. Murciano with ozone symptoms. Typical interveinal chorosis at the beginning (A on the left) and in advanced stage (A on the right).

© 2009 Fundación CEAM © 2009 Copyright of the photos: their authors