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.
7 & 11 Priaxor SC
7 0.5 Alternate with fungicides of dissimilar modes
of action.
3 & 7
& 11
propiconazole)
oz
14 12 hr Do not make more than 2 sequential
applications.
11 Aftershock
per 1000’
of row in
oz foliarly
oz infurrow
or 7.6
foliarly
0.5 Soil and foliar treatments. See label for
details.
11 Evito 480SC
oz
7 0.5 Do not exceed 2 sequential and 4 total appls.
11 Headline EC 0 0.5 Do not exceed 2 sequential and 6 total appls.
(pyraclostrobin) of Headline or other Qol fungicides.
11 Headline SC 0 0.5 Do not exceed 2 sequential and 6 total appls.
(pyraclostrobin) of Headline or other Qol fungicides.
11 Quadris 2.88 qt 0 4 hr Do not exceed 1 sequential and 4 total appl.
of Quadris or other Qol fungicides. See label
for soil applications.
(azoxystrobin)
1000 row ft
11 & 3 Evito T 7 19 Do not exceed 2 sequential and 4 total appls.
11 & 3 Headline AMP
(pyraclostrobin + metconazole) oz
of Headline AMP.
0.5 Do not exceed 2 sequential and 4 total appls.
11 & 3 Helmstar Plus (azoxystrobin +
tebuconazole)
oz
7 19 Do not spray after V-8 growth stage.
11 & 3 Quilt 14 0.5 Alternate every other application with a
(azoxystrobin + propiconazole) fungicide of dissimilar mode of action.
11 & 3 Quilt XCEL 14 0.5 Alternate every other application with a
(azoxystrobin + propiconazole) fungicide of dissimilar mode of action.
11 & 3 Avaris 14 0.5 See label for details.
(azoxystrobin + propiconazole)
11 & 3 Stratego 250EC 14 0.5 Do not apply more than 2 sequential
applications.
11 & 3 Stratego YLD 14 0.5 Do not apply more than 2 sequential
applications.
11 & 7 Priaxor SC 7 0.5 See label for details.
Damping-off M3 5.3 oz/ 100
lbs of seed
1 Seed treatment only.
(thiram)
M3 Signet 480FS
(thiram)
5.0
oz/100lbs
of seed
1 Seed treatment only.
Damping-off 3 Vortex
100 lb of
seed
0.5 Seed treatment only.
Seedling blight (ipconazole)
4 & 3 Dividend Extreme
100 lbs of
Seed
2 Seed treatment only.
(mefenoxam + difenoconazole)
11 Dynasty
oz/100 lbs
of seed
4 hrs Seed treatment only.
(azoxystrobin)
11 Trilex
oz/100 lb
of seed
0.5 Seed treatment only.
Pythium seedling blight 4 (metalaxyl)
lb seed
1 Seed treatment only.
Systemic downy mildew Various brands available:
2019 Vegetable Production Handbook of Florida 347