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.
7 & 12
14 12 hr No more than 2 sequential applications
without moving to dissimilar mode of action.
May cause leaf cupping.
9 & 12 Switch (cyprodinil +
14 oz 56 oz 7 0.5 See label for details.
11 Quadris 0 4 hr Alternate with fungicides of dissimilar modes
of action.
Downy mildew 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
M2 (sulfur) SEE INDIVIDUAL
LABELS
1 1 Do not apply during periods of warm weather.
Many brands available: Do not apply within 2 weeks of an oil spray.
Microthiol Disperss, Suffa,
Sulfur 90W, Yellow Jacket
Wettable Sulfur
U15 Orondis Gold 200
(oxathiapiprolin)
0 4 hr Do not make foliar applications with Orondis
Ultra if applied using soil applications. Be
aware of plantback restrictions.
U15 Orondis Ultra
(oxathiapiprolin)
0 4 hr Do not make foliar applications with Orondis
Ultra if Orondis Gold was applied using soil
applications and do not exceed more than
33% of all fungicide applications with Orondis.
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 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 Cabrio EG 16 oz 48 oz 0 0.5
Limit is 3 appl./crop & alternate chemistry.
(pyraclostrobin)
11 (azoxystrobin) 2.88 qt 0 4 hr Alternate with fungicides of
Various brands available: dissimilar modes of action.
Equation SC, Quadris, Satori,
Willowood Azoxy
11 Reason 2 0.5 Alternate every other application with a
(fenamidone) fungicide of dissimilar mode of action.
21 Actigard 50WG 0.75 oz 2.25 oz 7 0.5
(acibenzolar)
(Suppression only) 21A Torac
(tolfenpyrad)
1 0.5 2 applications allowed per crop cycle.
Insecticide also controls aphids, thrips, etc.
27 Curzate 60DF
(cymoxanil)
5 oz 30 oz 1 0.5 Use only in combination with a broad
spectrum protectant such as copper funicides
27 & 11 Tanos 50DF 8 oz 72 oz 3 0.5 Do not alternate or tank mix with another
(cymoxanil + famoxadone) FRAC group 11 fungicide.
2019 Vegetable Production Handbook of Florida 139