Phytophthora porri (white tip of leek )
Phytophthora porri
white tip of leek
Africa: South Africa, Asia: Japan, Europe: widespread, Canada, Australia
None. The report from WI, USA is actually Phytophthora brassicae (USDA FD).
onion, leek. Reported as a post harvest disease in carrot.
Seed is not known to be a pathway. All reports of post harvest diseases in brassica probably due to Phytophthora brassiceae and not Phytophthora porri (Farr and Rossman, 2018). Lettuce was listed as a possible host, but no data found to confirm.