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Edema is a common winter and early spring problem on Ivy Leaf geranium. It can also occur on other greenhouse crops. The following is more information on this disorder. Edema (oedema) is not a disease like a bacterium, or a virus and it is not transmittable from one plant to another. Edema is a physiological problem occurring mainly on ivy geraniums but is also found on sweet potato vine (ipomoea), begonias, cacti, ferns, palms, pansy, cleome and cole crop vegetables like broccoli, cabbage and cauliflower. Some fleshy leaved plants such as jade and peperomia are particularly sensitive to conditions which lead to the development of edema although almost any broadleaved plant may be affected. |
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