Table 9.11. Spinach 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.
33 Aliette80WDG 5 lbs 35 lb 3 0.5 Caution should be used when applying in
a management program including copper
fungicides or adjuvants.
Legion 80WDG
Linebacker 80WDG
(fosetyl-Al)
33 (mono- and di-potassium
salts of phosphorous acid)
3 qt 0 4 hr See label for details.
Many brands available:
Fosiphite, Fungi-phite,
K-Phite, Oxiphos, Phiticide,
Phostrol, Prophyt, Rampart,
Reveille
40 Revus 2.08F 1 4 hr Do not exceed 2 sequential applications. See
(mandipropamid) label for soil applications.
40 Forum 0 0.5 Must be tank mixed with another fungicide
when used against downy mildew. Do not
make more than 2 sequential applications.
(dimethomorph)
40 & 45 Zampro SC 0 0.5 Do not exceed 2 sequential appl.
(dimethomorph +
ametoctradin)
43 Presidio 4L 4 oz 1 pt 2 0.5 Must be tank-mixed with a fungicide of
a different mode of action. See label for
rotational restrictions.
White rust M1 (copper compounds) SEE INDIVIDUAL
LABELS
Varies by
product from
4 hr to 2 days
Many brands available:
Badge SC, Badge X2, Basic
Copper 53, C-O-C-S WDG,
Champ DP, Champ WG,
Champ Formula 2, Champ
WP, Champion++, COC
DF, COC WP, Copper Count
Kentan DF, Kocide DF,
Kocide 2000, Kocide 3000,
Kocide 4.5 LF, Kop-hydroxide,
Mastercop, Nordox, Nordox
75 WG, NuCop 50WP, NuCop
3L, NuCop HB, NuCop DF,
Top Cop w/ Sulfur
4 Ridomil Gold SL 0.25 pt 0.5 pt 21 2 Shank application. A total of two applications
(mefenoxam) may be made.
4 & M1 Ridomil Gold/Copper WP 2 lb 4 lb 21 2 Follow Ridomil Gold EC at planting. Apply no
(mefenoxam + copper more than 2 foliar applications.
hydroxide)
7 &11 Merivon Xemium 33 1 0.5 Apply only in water with no adjuvants or tankmixtures.
Alternate with dissimilar modes of
action.
(pyraclostrobin +
11 Quadris 0 4 hr Alternate with fungicides of dissimilar modes
of action.
11 Reason 2 0.5 Alternate every other application with a
(fenamidone) fungicide of dissimilar mode of action.
11 (azoxystrobin)
Various brands available:
Quadris, Satori, Willowood
Azoxy
2.88 qt 0 4 hr Alternate with fungicides of dissimilar modes
of action.
21 Ranman 0 0.5 Do not make more than 3 sequential
(cyazofamid) applications.
140 2019 Vegetable Production Handbook of Florida