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 Topguard EQ 0 0.5 Limit is 4 applications per season. Do not
use adjuvants or EC formulated tank mix
partners. The addition of silicone or oil
based additives may cause injury at high
temperatures. Do not exceed 0.125% (v/v)
adjuvant levels.
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.
12 Emblem 0 0.5 Transplant and Greenhouse use only. Limit
to 4 applications per year. No more than 2
sequential applications before rotating to a
different mode of action for 2 applications.
19 Ph-D WDG 6.2 oz 31.0 oz 0 4 hr Alternate with a non-FRAC code 19
Oso 5% SC 0 4 hr fungicide.
(polyoxin D zinc salt)
22 & M3 Gavel 75DF 2.0 lb 16 lb 5 2
(zoaximide + mancozeb)
22 & M5 Zing! 5 0.5 Limit is 8 apps per season. No more than 2
sequential applications before alternating to
a different mode of action.
(zoaximide + chlorothalonil)
27 & M5 Ariston 3.0 pt 30.2 pt 3 0.5 Check copper manufacturer’s label for
mixing with this product.
(cymoxanil + chlorothalonil)
28 Previcur Flex 1.5 pt 7.5 pt 5 0.5 Must tank mix with chlorothalonil or
(propamocarb hydrochloride) mancozeb.
28 Promess 1.5 pt 7.5 pt 5 0.5 Must tank mix with chlorothalonil or
(propamocarb hydrochloride) mancozeb.
40 & 3 Revus Top 1 0.5 Limit is 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)
Grey leaf spot M1 (copper compounds) SEE INDIVIDUAL
LABELS
1 Varies by
(Stemphyllium spp.) Many brands available:
product
from 4 hr
to 2 days.
Mancozeb or maneb enhances bactericidal
Americop 40 DF, Badge SC, Badge X2,
Basic Copper 50W HB, Basic Copper
53, C-O-C-S WDG, Champ DP, Champ
F2 FL, Champ WG, Champion WP,
C-O-C DF, C-O-C WP, Copper Count N,
Kocide 3000, Kocide 2000, Kocide DF,
Nordox, Nordox 75WG, Nu Cop 50WP,
Nu Cop 3L, Nu Cop 50DF, Nu Cop HB,
Previsto
M3 (mancozeb) SEE INDIVIDUAL
LABELS
5 1
Many brands available:
2019 Vegetable Production Handbook of Florida 379