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.
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)
Sour Rot 3 Mentor 8 oz /100
gal or
/50,000 lb
of fruit
- - - Apply as a post-harvest dip, drench, or highvolume
spray for the post-harvest control of
certain rots. See label for details.
(Geotrichum candidum) (propiconazole)
3 & 9 Chairman
/100 gal
or /50,000
lb of fruit
- - - Apply as a post-harvest dip, drench, or highvolume
spray for the post-harvest control of
certain rots. Lower rates for small diameter
fruit. See label for details.
Southern blight 7 Fontelis
oz/ 1000
row-ft
0 0.5 Apply at-plant, pre-plant incorporated,
in-furrow, as a transplant drench, or by drip
irrigation.
(penthiopyrad)
(suppression) 7 & 3 Aprovia Top 0 0.5 No more than 2 sequential applications on a
7-day interval before rotating to a non-FRAC
group 7 fungicide; subsequent applications
on no shorter than a 14-day interval. Limit of
4 apps per a year. See label for surfactant
precautions. Not labeled for greenhouse use.
11 Evito 3 0.5 Limit is 4 appl/crop. Must alternate or tank
mix with a fungicide from a different FRAC
group.
Aftershock
(suppression) 11 Cabrio 16 oz 96 oz 0 0.5 Limit is 2 sequential applications before
alternating to another effective 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.
14 Blocker 4F SEE INDIVIDUAL
LABELS
Soil
treatment
Terraclor 75 WP restrictions.
(PCNB)
at
planting
0.5 See label for application type and
(suppression) 19 Oso 5% SC 0 4 hr Alternate with a non-FRAC code 19
(polyoxin D zinc salt) fungicide.
Target spot M5 (chlorothalonil) SEE INDIVIDUAL
LABELS
0 0.5 Use higher rates at fruit set and lower rates
Many brands available: before fruit set.
Bravo Ultrex, Bravo Weather Stik, Bravo
Zn, Chloronil 720, Echo 720, Echo 90 DF,
Echo Zn, Equus 500 Zn, Equus 720 SST,
Equus DF, Initiate 720
3 Rhyme 0 0.5 Limit is 4 applications per season.
4 & M5 Ridomil Gold Bravo 76.4 W 3 lb 12 lb 14 2 Limit is 4 appl./crop.
(chlorothalonil + mefenoxam)
7 Endura 12.5 oz 25 oz 0 0.5 Alternate with non-FRAC code 7 fungicides.
(boscalid)
390 2019 Vegetable Production Handbook of Florida