Table 15.11. Carrot fungicides ordered by disease and then FRAC group according to their mode of action. (continued)
Pertinent Diseases
or Pathogens
Fungicide
Group1
Chemical
(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.
4 Ridomil Gold SL, Ultra Flourish 2 pt 2
incorporated applications and surface
applications at the time of planting.
(mefenoxam)
Various (see label) 7 & 9 Luna Tranquility
7 0.5 Do not make more than 2 sequential
applications without rotating to a fungicide of
dissimilar mode of action.
7 & 11 Pristine 10.5 oz 63 oz 0 0.5 Limit is 6 appl/crop and alternate chemistry.
(boscalid + pyraclostrobin)
7 & 11 Merivon Xemium
7 0.5 Alternate with fungicides of dissimilar modes
of action
7 & 11 Luna Sensation
7 0.5 Do not make more than 2 sequential
applications without rotating to a fungicide of
dissimilar mode of action.
11 Amistar 80DF 5 oz or 0.25
oz/1000
row ft
20 oz 0 4 hr Do not exceed 1 sequential and 4 total appl. of
Amistar or other Qol fungicides. See label for
soil appl.
(azoxystrobin)
11 Flint 3 oz 12 oz 7 0.5 Alternate every other application with a
fungicide of dissimilar mode of action.
11 Gem 500SC
7 0.5 Alternate every other application with a
fungicide of dissimilar mode of action.
11 Heritage 10.5 oz 4 lb 0 4 hr Do not apply more than 3 sequential
applications without altenating to a fungicide of
dissimilar mode of action.
(azoxystrobin)
11 (azoxystrobin) 3.75 qt 0 4 hr Do not exceed 1 sequential and 4 total appl. of
Many labels available: or
Qol fungicides. See label for soil appl.
Azoxystar, Azoxyzone, Equation
SC, Quadris, Satori, Trevo,
oz/1000
Willowood Azoxy
11 & M5 Quadris Opti 2.4 pt 14.4 pt 0 0.5 Do not exceed 2 sequential and 6 total appl. of
(azoxystrobin + chlorothalonil) Quadris Opti. or rotate with non Qol fungicides.
11 & 3 Quadris Top 7 0.5 Do not exceed 1 sequential and
(azoxystobin + difenconazole) 4 total appl. Quadris Top
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 day 0.5 Alternate every other application with a
(azoxystrobin + propiconazole) fungicide of dissimilar mode of action.
19 OSO 5%SC 0 4 hr See label for details.
(polyoxin D zinc salt)
33 (mono- and di-potassium salts 3 qt 0 4 hr See label for details.
of phosphorous acid)
Many brands available:
Fungi-phite, K-Phite 7LP,
Oxiphos, Phiticide, Phostrol,
Prophyt, Rampart
29 Omega 1 pt 4 pt 7 day 0.5 For southern blight, apply
45 days prior to harvest
Various seedling
diseases
12 Maxim 4FS, Spirato 480 FS
100 lb of
seed
0.5 Seed treatment only.
1 FRAC code (fungicide group): Number (1 through 45) 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
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.
2019 Vegetable Production Handbook of Florida 301
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