Cornell Onion Fungicide "Cheat Sheet" for Leaf Diseases, 2019
Christy Hoepting, Extension Vegetable Specialist
Cornell Vegetable Program
Last Modified: July 10, 2019
This chart provides information on fungicides available for use in New York in 2019 in onions for control of leaf diseases including Botrytis Leaf Blight (BLB), Stemphylium Leaf Blight (SLB), and Downy Mildew (DM). Rotation restrictions and maximum allowable per season are provided.
2019 Cornell Onion (Dry Bulb) Fungicide “Cheat-Sheet” for Leaf Diseases in NY (pdf; 339KB)
Asparagus
Beets
Broccoli
Brussels Sprouts
Cabbage
Carrots
Cauliflower
Cucumbers
Dry Beans
Eggplant
Ethnic Vegetables
Garlic
Horseradish
Kohlrabi
Leeks
Lettuce / Leafy Greens
Melons
Onions
Parsnips
Peas
Peppers
Potatoes
Pumpkins / Gourds
Radishes
Rhubarb
Rutabaga
Snap Beans
Squash - Summer
Squash- Winter
Sweet Corn
Sweet Potatoes
Tomatoes
Turnips
