Table 6.8. Cole crop fungicides ordered by disease and FRAC group according to mode of action. (continued)
Pertinent Diseases
Fungicide
or Pathogens
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 Cabrio EG
(pyraclostrobin)
16 oz 64 oz 0
(head
and stem)
3 (leafy)
4 hr No more than 2 sequential appl/stem and
head crop.
11 & 7 Priaxor
3 0.5 No more than 2 sequential applications. No
more the 3 applications in a season.
11 & 3 Quadris Top
(azoxystrobin + difenoconazole)
1 0.5 No more than 1 sequential appl.
11 & 3 Quilt 7 0.5
(azoxystrobin + propiconazole)
Black Leg
(Leptosphaeria
maculans)
2 Iprodione 4L AG
Rovral 4F
Enclosure 4
Nevado 4F
(iprodione)
2 pt 4 pt 0 - Only labeled for broccoli. Limit is 2 appl for
broccoli.
11 Cabrio EG
(pyraclostrobin)
16 oz 64 oz 0
(head and
stem)
4 hr No more than 2 sequential appl/stem and
head crop.
11 & 7 Priaxor
3 12 hr No more than 2 sequential applications. No
more than 3 applications in a season. Do not
apply to turnip greens or roots.
Black Rot M1 (copper compounds) SEE INDIVIDUAL
LABELS
1 Varies by
product
from 4 hr
to 2 days
Mancozeb or maneb enhances bactericidal
(Xanthomonas Many brands available.
camprestris)
P Actigard 50 WG
(acibenzolar-S-methyl)
1 oz 4 oz 7 0.5 Apply preventively; limit is 4 appl/crop on a
7-day schedule. Suppression only.
Cercospora Leaf Spot
(Cercospora brassicicola)
3 Monsoon
Orius 3.6F
TebuStar 3.6L
Tebuzol 3.6F
Toledo 3.6F
(tebuconazole)
7 0.5 Not labeled for watercress or head and stem
cole crops. Apply prior to infection when
environmental conditions are favorable.
3 Rhyme
7 0.5 Use of silicone or oil based additives may
result in negative crop response. In situations
where an adjuvant is necessary; use of a
nonionic surfactant is recommended
3 Tilt 7 0.5
(propiconazole)
9 & 3 Inspire Super
(cyprodinil + difenoconazole)
7 0.5 Begin applications prior to disease development,
and continue on a 7 – 10 day interval.
Make no more than 2 sequential applications
before rotating to another effective fungicide
with a different mode of action.
9 &12 Switch 62.5WG
14 oz 56 oz 7 0.5 Can be applied as a preplant and surface
application. Do not use in greenhouse crops
Suppression only.
11 Cabrio EG
(pyraclostrobin)
16 oz 64 oz 0
(head
and stem)
3
(leafy)
4 hr No more than 2 sequential appl/stem and
head crop.
11 Reason 500SC 8.2 oz 24.6 oz 2 0.5 Limits are no more than 1 sequential appl.
(fenamidone) Suppression only.
11 Quadris
Equation SC
Satori
(azoxystrobin)
0 4 hr Labelled for leaf greens brassica. No more
than 2 sequential appl.
11 & 3 Quadris Top
(azoxystrobin + difenoconazole)
1 0.5 No more than 1 sequential appl.
2019 Vegetable Production Handbook of Florida 49