Do not irrigate with water containing 1 ppm fluoride. Fusarium Leaf Spot Young leaves have reddish to tan spots with wide, yellow halos. Spotting occurs close to the base of the leaves. Fusarium moniliforme Avoid overhead watering. Soft Rot Rooted cuttings have a soft, brown rot and a foul odor.
Lower leaves collapse.
Erwinia carotovora pv. Discard infected plants.