Fungicides and Bactericides for Small-Scale Onion Production
Fungicides and bactericides registered for small-scale use on onions in Utah, organized by Mode of Action (MoA).
|
Primary Active Ingredient |
Products |
MoA |
Residual Days |
Purple Blotch + Semphylium Leaf Blight |
Botrytis Neck Rot |
Bacterial Soft Rot |
Black Mold |
|---|---|---|---|---|---|---|---|
|
copper octanoate |
Epsoma Organic Copper Soap RTU |
M1 |
10 |
|
|
X |
|
|
Monterey Liquid Copper Fungicide RTU |
X |
|
X |
|
|||
|
Natural Guard Copper Soap Fungicide Concentrate, Natural Guard Copper Soap RTU |
X |
X |
X |
|
|||
|
copper sulfate |
Bonide Copper Fungicide Spray/Dust |
M1 |
7 |
X |
|
X |
|
|
mancozeb |
Bonide Mancozeb Flowable w/ Zinc Concentrate |
M3 |
7-10 |
X |
X |
|
X |
|
chlorothalonil |
Bonide Fung-onil Concentrate, Bonide Fung-onil RTU, GardenTech Daconil Fungicide Concentrate, GardenTech Daconil Fungicide RTU |
M5
|
7-14 |
X |
X |
|
X |
|
Ferti-lome Broad Spectrum Landscape & Garden Fungicide, Ferti-lome Broad Spectrum Landscape & Garden Fungicide RTU, Hi-Yield Vegetable, Flower, Fruit, and Ornamental Fungicide |
X |
X |
|
|
|||
|
myclobutanil |
Ferti-lome F-Stop Lawn & Garden Fungicide Concentrate, Ferti-lome F-Stop Lawn & Garden Fungicide RTS |
3 |
14 |
X |
X |
|
X |
|
propiconazole |
Bonide INFUSE Disease Control Concentrate |
3 |
14 |
X |
X |
|
X |
|
|
|
|
|
|
|
|
|
|
Bacillus amyloliquefaciens strain D747O |
Bonide Revitalize Bio Fungicide Concentrate, Bonide Revitalize Bio Fungicide RTS |
MBCA |
5-7 |
X |
X |
X |
X |
Note: All products listed in this table are registered trademarks. The list is not all-inclusive, but provides examples of products that are available for small acreage and home use. Always review the product label for the specific crop you are treating, targeted pests, safety information, and preharvest intervals. All product information was reference in 2023 from various major personal-use pesticide suppliers.
O = Organic Active Ingredient