Table 17.6. Sweet corn fungicides ordered by disease and then FRAC group according to their mode of action. (continued)
Pertinent Diseases
Fungicide
Chemical
or Pathogens
Group1
(active ingredients)
Max. Rate/Acre Min. Days to
Applic. Season Harvest Reentry Remarks2
Labels change frequently. Be sure to read a current product label before applying any chemical.
Bacterial stalk rot M1 (copper compounds) SEE INDIVIDUAL
LABELS
1 Varies by
product
from 4 hr to
2 days
Many brands available: Badge X2,
Copper Count N, Cueva, Kocide 2000,
Kocide 3000, Mastercop, Nu-Cop 50 DF,
Top Cop w/ Sulfur
Powdery mildew M2 (sulfur) SEE INDIVIDUAL
LABELS
1 1 Do not apply during periods of warm weather.
Rust Many brands available: Kumulus DF, Do not apply within 2 weeks of an oil spray.
Sulfur, Yellow Jacket Wettable Sulfur
Northern blight M3 (mancozeb) 1.5 lb 24 lb 7 1
Southern blight
Common rust
Many brands available: Dithane DF
Rainshield, Dithane F-45 Rainshield,
Dithane M45, Koverall, Manzate DF,
Manzate Flowable, Manzate Pro-Stick,
Penncozeb 4FL, Penncozeb 75DF,
Penncozeb 80WP, Roper DF Rainshield
M5 (chlorothalonil) SEE INDIVIDUAL
LABELS
7 0.5
Many brands available: Bravo Ultrex,
Bravo Weather Stik, Chloronil 720,
Chlorothalonil 720 SC, Echo 720, Echo
90DF, Echo ZN, Equus 500 ZN, Equus 720
SST, Equus DF, Initiate 720, Initiate ZN
3 (propiconazole) 14 0.5 Do not exceed 4 total appls.
Many brands available: Amtide
propiconizole 41.8, Bumper 41.8EC,
Fitness, Propiconazole E-AG 41.8EC,
Propicure 3.6F, Propimax EC, Propi-Star
EC, Shar-Shield PPZ, Tide Propiconazole
41.8 EC, Tilt 3.6EC, Topaz
3 (tebuconazole) 7 0.5 Restricted-entry time is 19 days.
Many brands available: Folicur 3.6F,
Monsoon 3.6F, Onset 3.6L, Orius 3.6F,
Tebu-Crop, Tebustar 3.6L, Tebuzol 3.6F,
Toledo 3.6F
3 Prosaro 7 0.5 See label for adjuvant information and
(tebuconazole + prothioconazole) rotational restrictions.
3 & 33 Viathon 3.0 pt 16.5 pt 7 0.5 See label for details and rotational
(tebuconazole + potass. phosphite) restrictions.
3 & M2 Unicorn (tebuconazole & sulfur 3.75 lb 15.0 lb 14 19 See label for details and rotational
restrictions.
7 Vertisan 0 0.5 Soil and foliar treatments.
(penthiopyrad)
7 Luna Privilege
oz 7 0.5 Alternate with fungicides of
dissimilar modes of action.
7 & 11 Elatus 7.3 oz 14.6 oz 7 0.5 Alternate with fungicides of
dissimilar modes of action.
3 & 7
& 11 Trivapro
oz 14 0.5
Use no more than 2 sequential
applications before alternating with a
+ azozystrobin) fungicide of dissimilar mode of action.
3 & 7
& 11
Miravis Neo
propiconazole)
oz
14 12 hr Do not make more than 2 sequential
applications.
2019 Vegetable Production Handbook of Florida 345