Table 10.9. Celery fungicides ordered by disease and then FRAC group according to their mode of action. (continued)
Pertinent Diseases
Fungicide
Chemical
or Pathogens
Group1
(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.
Pythium seedling
diseases
4 Ridomil Gold SL 2 pt 2 Apply at seeding in a 7-12” band on soil
(mefenoxam) over seed furrow.
4 Ridomil Gold GR 40 lb 2
incorporated applications and surface
applications at the time of planting.
(mefenoxam)
4 Ultra Flourish 4 pt 2
incorporated applications and surface
applications at the time of planting.
(mefenoxam)
4 & 11 Uniform SC 1 appl. 0 Soil incorporated.
(mefenoxam + azoxystrobin) 1000’ of
row
Stalk rot
(Rhizoctonia)
M5 (chlorothalonil) SEE INDIVIDUAL
LABELS
7 0.5
Many labels available: Bravo Ultrex,
Bravo Weather Stik, Bravo ZN, Chloronil
720, Chlorothalonil 720 SC, Echo 720, Echo
90DF, Echo ZN, Equus 500 ZN, Equus
720SST, Equus DF, Initiate 720, Initiate ZN,
Praiz
3 (propiconazole) 14 0.5 Do not exceed 4 total appls.
Many labels available: Amtide
Propiconazole, Bumper 41.8EC, Propi-Star
EC, Propimax EC, Shar-Shield PPZ, Tilt
3.6E
7 & 11 Merivon SC 1 0.5 Alternate with fungicides of dissimilar
modes of action
11 Aftershock 3 0.5 Alternate every other application with a
fungicide of dissimilar mode of action.
11 Evito 480SC 3 0.5 Alternate every other application with a
fungicide of dissimilar mode of action.
11 Flint 3 oz 12 oz 7 0.5 Alternate every other application with a
fungicide of dissimilar mode of action.
11 Gem 500SC 7 0.5 Alternate every other application with a
fungicide of dissimilar mode of action.
11 & M5 Quadris Opti 3.7 pt 22.2 pt 7 0.5 Do not exceed 2 sequential and 6 total
appl. of Quadris Opti. or rotate with non Qol
fungicides.
(azoxystrobin + chlorothalonil)
Various 7 & 11 Merivon SC 1 0.5 Alternate with fungicides of dissimilar
modes of action
11 Cabrio EG 16oz 64 oz 0 0.5 Do not exceed 1 sequential appl. of Qol
(pyraclostrobin) fungicides. See label for soil appl.
11 (azoxystrobin) 0 0.5 Do not exceed 1 sequential appl. of Qol
Many brands available: or fungicides. See label for soil appl.
Azoxyzone, Azteroid SC, Equation SC,
Quadris SC, Satori, Willowood Azoxy
1000
row ft
19 OSO 5%SC 0 4 hr See label for details.
(polyoxin D zinc salt)
33 (mono- and di-potassium salts 3 qt 0 4 hr See label for details.
of phosphorous acid)
Many brands available:
phite, K-Phite, Oxiphos, Phiticide, Phostrol,
Prophyt, Rampart, Reveille
Various seedling
diseases
12 Maxim 4FS 0.5 Seed treatment only.
100 lb of
seed
170 2019 Vegetable Production Handbook of Florida