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Thursday, 15 October 2009 13:46


Apium graveolens L. var. dulce Pers.

Symptoms induced in controlled conditions (fumigation with ozone)

cv. Raza Istar

Ozone exposure induces in celery plants two kinds of foliar symptoms. Small, necrotic stipple near the main vein (A) and an apparent chlorosis on the leaf surface (B). Both injuries not affect the veins of the leaf leaving green (B and C). In advanced stages, slimming of the injured leaves is evident owing to chlorotic area is eroded and depressed.


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Last Updated on Friday, 26 February 2010 13:57