Yellowing of foliage, twisting and cracking of stalks. See Aster yellows under carrot. Fusarium oxysporum 1.
Plants turn yellow and are stunted.
Stalks may be brittle and taste bitter. Grow wilt-resistant varieties, such as green or Utah pascal strains. Use disease-free transplants. Small, yellow spots at first. Spots enlarge to ash-gray, irregular and velvety dead areas on leaves and petioles.