Symptoms of A. dauci appear first as greenish-brown, then water-soaked, and finally necrotic lesions 8–10 days following an infection event. These lesions will appear on carrot leaflets and petioles, and have a characteristic chlorotic, yellow halo. The lesions can be irregularly shaped, and will often appear on older leaves first.
Symptoms of A. dauci initially manifest as olive-green, then waterlogged, and ultimately necrotic lesions 8–10 days after an infection event. These lesions will appear on carrot leaflets and petioles, and have a distinctive pale yellow ring. The lesions can be irregularly shaped, and often first appear on older leaves.