Fungicides for Commercial Potato Production


Fungicides registered for commercial use on potato, organized by Mode of Action (MoA).

Primary Active Ingredient

Brand Name

MoA

Residual Days

Late Blight

fludioxonil

Startup Fludi, Dyna-Shield Fludioxonil, Fludioxonil 4L ST, Maxim 4FS, Spirato 480 FS

12

7-10

X

polyoxin d zinc salt

Ph-D

19

5-7

X

neem oilO

EcoWorks EC

BM1

3

X

Bacillus amyloliquefaciens strain D747O

Double Nickel 55

BM2

5-7

X

Streptomyces sp. strain K61

Lalstop K61 WP

BM2

7

X

hydrogen peroxide

Jet-Ag, Jet-Ag 5%

NC

7-10

X

Note: All products listed in this table are registered trademarks. The list is not all-inclusive, but provides examples of products that are registered for commercial use in Utah. Always review the product label for the specific crop you are treating, targeted pests, safety information, and preharvest intervals. All product information was sourced in 2023 from the TELUS Agronomy Label Database.
O = Organic Active Ingredient