Downy Mildew

Thanks to cooler temperatures, the disease pressure on vegetable growers across the Inland Northwest has been relatively light, but growers are reminded to continue to scout. Dr. Tim Waters with Washington State University said typically this time of year, potato growers need to worry about late blight, while onion growers need to keep an eye out for Downy Mildew ...

Washington State University is reminding onion growers to be on the lookout for Downy Mildew.  WSU’s Tim Waters said the cool wet spring we’ve seen across the Inland Northwest has allowed the mildew to develop and spread.   “It’s a water mold that’s similar to Late Blight in potatoes, so it doesn’t affect potatoes, but it does affect onions and the spores do move through the air fairly readily.  S

Washington State University is warning onion growers to be vigilant with their disease management.  WSU Extension’s Tim Waters told the Washington Ag Network one of the chief concerns is Downy Mildew, which is a water mold like Late Blight   “Conditions that promote Late Blight in potato are also going to promote Downy Mildew in Onions; so cool wet conditions.  And we had those co...