Table 15.11. Carrot 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.
7 Fontelis 0 0.5 Alternate with non-FRAC code 7 fungicide.
(penthiopyrad) See label for directions.
7 & 11 Merivon Xemium
7 0.5 Alternate with fungicides of dissimilar modes
of action
7 & 11 Luna Sensation
7 0.5 Do not make more than 2 sequential
applications without rotating to a fungicide of
dissimilar mode of action.
11 Cabrio EG 12 oz 48 oz 0 0.5 Do not exceed 1 sequential and 4 total appl. of
Amistar or other Qol fungicides. See label for
soil appl.
(pyraclostrobin)
Damping Off M3 5.3 oz/ 100
lbs of seed
1 Seed treatment only.
(thiram)
Powdery mildew M2 (sulfur compounds) SEE INDIVIDUAL
LABELS
1 1 Do not apply during periods of warm weather.
Many brands available: Dusting Do not apply within 2 weeks of an oil spray.
Sulfur – Crusade, IAP, Kumulus
Microthiol Disperss, Sulfur 90W,
Super-Six, Top Cop w/ Sulfur,
Yellow Jacket Wettable Sulfur
3 (propiconazole) 14 0.5 Do not exceed 4 total appls.
Many labels available: Amtide
Propiconazole, Bumper 41.8EC,
Fitness, Propimax, Propi-Star EC,
Shar-Shield PPZ, Tilt 3.6E
3 & 9 Inspire Super
(difenoconazole & cyprodinil)
7 0.5 Alternate with fungicides of dissimilar modes
of action.
7 Fontelis 0 0.5 Alternate with non-FRAC code 7 fungicide.
(penthiopyrad) See label for directions.
7 & 11 Merivon SC 7 0.5 Alternate with fungicides of dissimilar modes
of action
9 & 12 Switch 62.5WDG 14 oz 56 oz 7 0.5
11 & M5 Quadris Opti 2.4 pt 14.4 pt 0 0.5 Do not exceed 2 sequential and 6 total appl. of
(azoxystrobin + chlorothalonil) Quadris Opti. or rotate with non Qol fungicides.
11 & 3 Avaris, Quilt, Willowood Azoxy 14 0.5 Alternate every other application with a
(azoxystrobin + propiconazole) fungicide of dissimilar mode of action.
11 & 3 Quilt XCEL 14 0.5 Alternate every other application with a
(azoxystrobin + propiconazole) fungicide of dissimilar mode of action.
33 & M2 Sanction 6 pt 2
(potassium phosphate and sulfur)
Pythium 21 Ranman 14 0.5 Alternate with fungicides of dissimilar
(cyazofamid) chemistry.
43 7 0.5 Must be applied with a fungicide of different
mode of action.
Pythium damping-off 4 Acquire, Sebring 2.65ST,
Metalaxyl 4.0 ST
1 Seed treatment only.
100 lbs of
seed
(metalaxyl)
Pythium seedling blight 4 Apron XL LS
oz./100 lb
seed
2 Seed treatment only.
(mefenoxam)
4 Metastar 2E AG 8 pt 2 Apply as a broadcast soil application and
incorporate into top 2 inches. See label for
directions.
(metalaxyl)
4 Ridomil Gold EC 2 pt 2 Apply at seeding in a 7-12” band on soil over
(mefenoxam) seed furrow.
300 2019 Vegetable Production Handbook of Florida