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.
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 Procure 480 SC
1 0.5 Not labeled for watercress or head and stem
cole crops. Apply prior to infection and repeat
sprays at a 14 day interval.
4 & M5 Ridomil Gold Bravo
Ridomil Gold Bravo SC
(mefenoxam + chlorothalonil)
1.5 lb See label 7 2 Not labeled for leafy cole crops or watercress.
Limit is 4 applications per crop.
7 Endura
(boscalid)
9 oz 18 oz 0
(head
and stem)
14 (leafy)
0.5 Not labeled for watercress; Limit is 2 appl/
crop.
7 Fontelis
(penthiopyrad)
0 0.5 No more than 2 sequential applications.
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 No more than 2 sequential appl. before rotating
to a different mode of action for at least 2
appl; 30 day plant back for off-label crops.
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 500 SC
(fenamidone)
2 0.5 Do not make more than 1 sequential
application.
11 Quadris
Equation SC
Satori
(azoxystrobin)
0 4 hr No more than 2 sequential appl. Different
seasonal application limits for head and stem,
and leafy green brassica subgroups.
11 & 3 Quadris Top 1 0.5 No more than 1 sequential appl. Limit of 4
(azoxystrobin + difenoconazole) applications per season.
11 & 3 Quilt 7 0.5
(azoxystrobin + propiconazole)
11 & 7 Priaxor 3 0.5 No more than 2 sequential applications. No
more the 3 applications in a season.
29 Omega 500F
See label See Label 0.5 The REI is 2 days for workers conducting
handset irrigation activities.
U15 & M5 Orondis Opti 7 0.5 Limit is no more than 2 sequential appl. Max
(oxathiapiprolin + chlorothalonil) of 4 applications per year.
Alternaria blight
(Alternaria spp.)
7 Endura
(boscalid)
9 oz 18 oz 0
(head
and stem)
14 (leafy)
0.5 Not labeled for watercress; Limit is 2 appl/
crop.
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
11 & 3 Quadris Top
(azoxystrobin + difenoconazole)
1 0.5 No more than 1 sequential appl.
Anthracnose
(Colletotrichum spp.)
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
48 2019 Vegetable Production Handbook of Florida