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.
Acquire, Acceleron, Allegiance, Sebring
2.65ST
4 Apron XL LS 2 Seed treatment only.
(mefenoxam) 100 lb
seed
33 (mono- and di-potassium salts of
phosphorous acid)
3 qts 0 4 hr See label for details.
Various brands available:
Soil-borne diseases 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.
Various seedling
diseases
1 Thiabendazole 4L ST
80,000
kernel
0.5 Seed treatment only.
1, 4, 11,
12
Maxim Quattro 0.5 Seed treatment only.
(thiabendazole, mefenoxam,
3 Difenconazole 3L ST
100 lbs of
seed
0.5 Seed treatment only.
(difenconazole)
3 & 4 EverGol Energy
100 lbs of
Seed
0.5 Seed treatment only.
(metalaxyl + prothioconazole)
4, 14, &
NC
System 3
(mefenoxam + PCNB + Bacillus subtilis
GB03)
3 oz/bu of
seed
1 Seed treatment only.
7 Kernel Guard Supreme 0.5 Seed treatment only.
(carboxin + permethrin)
11 Stamina
oz/100 lbs
seed
Seed treatment only.
(pyraclostrobin)
12
oz/100 lbs
seed
0.5 Seed treatment only.
Various brands available:
Dyna-Shield, Maxim 4FS, Spirato
480 FS
14 Rizolex 12 hr Seed treatment only.
(tolclofos-methyl) 100 lbs/
seed
1 FRAC code (fungicide group): Number (1 through 46) and letters (U and P) are used to distinguish the fungicide mode of action groups. All fungicides within the same
group (with same number or letter) indicate same active ingredient or similar mode of action. This information must be considered for the fungicide resistance management
FRAC Code List 2019; http://www.frac.info/ (FRAC = Fungicide Resistance Action Committee).
2 Information provided in this table applies only to Florida. Be sure to read a current product label before applying any chemical. The use of brand names and any mention or
listing of commercial products or services in the publication does not imply endorsement by UF/IFAS Extension nor discrimination against similar products or services not
mentioned.
348 2019 Vegetable Production Handbook of Florida
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