Table 18.4. Tomato 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.
11 & 3 Quadris Top 0 0.5 Limit is 4 apps per season with no more than
2 sequential apps. Must tank mix or alternate
with another effective fungicide from another
FRAC group. Has up to a 1 year plant-back
restriction for certain off label crops.
(azoxystrobin + difenoconazole)
11 & 7 Priaxor 0 0.5 Limit is 3 apps per season; no more
than 2 sequential apps. See label about
compatibility with other formulated products
and adjuvants.
11 & 27 Tanos 8 oz 72 oz 3 0.5 Do not alternate or tank mix with other FRAC
(famoxadone + cymoxanil) group 11 fungicides.
27 & M5 Ariston 3.0 pt 30.2 pt 3 0.5 Check copper manufacturer’s label for
mixing with this product.
(cymoxanil + chlorothalonil)
40 & 3 Revus Top 1 0.5 4 apps per season; no more than 2
(mandipropamid + difenoconazole) sequential apps. Not labeled for transplants.
U15 + M5 Orondis Opti 2.5 pt 10 pt 0 4 hr Do not use Orondis Opti following a soil app.
of another oxathiapiprolin product. No more
than 2 sequential apps. before rotating to
another mode of action; 7 day minimum app.
interval. Applications of Orondis Opti should
not exceed more than 33% of the total
foliar fungicide apps., or 4 apps. per crop,
whichever is fewer. Limit on multiple crops
is 6 apps. per acre per year. Not labeled for
greenhouse use.
(oxathiapiprolin + chlorothalonil)
Timber Rot, Sclerotinia
stem rot, or White mold
(Sclerotinia sclerotiorum)
7 & 11 Luna Sensation 3 0.5 No more than 2 sequential applications
before rotating with another effective
fungicide from a different FRAC group. Limit
of 5 apps per a year.
(suppression)
11 (azoxystrobin) SEE INDIVIDUAL
LABELS
0 4 hr Must alternate or tank mix with a fungicide
label for mixing instructions and precautions.
Many brands available:
AFrame, Arius, AzoxyStar, Azoxystrobin
100ST, Azoxyzone, Azteroid FC, Dynasty,
Gold Rush, Heritage, Mazolin, Quadris
FL, Satori, Tetraban, Trevo, Willowood
Azoxy 2SC
(suppression) 11 Cabrio 2.09 F 0 0.5 Only 2 sequential apps. allowed. Limit is 6
apps/crop. Must alternate or tank mix with a
fungicide from a different FRAC group.
(pyraclostrobin)
(suppression) 11 & 7 Priaxor 0 0.5 Limit is 3 apps per season; no more
than 2 sequential apps. See label about
compatibility with other formulated products
and adjuvants.
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.
392 2019 Vegetable Production Handbook of Florida
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