
Table 7.11. Cucurbit 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.
25 & M5 Zing See label 0 0.5
(zoxamide + chlorothalonil)
27 & M5 Ariston 3.0 pt 17.5 pt 3 0.5
(chlorothalonil + cymoxanil)
29 Omega 500 F
1.5 pt 7-9 pt/
year
7 0.5
Phytophthora blight/
fruit and root rot
4 Orondis Gold B, Ridomil Gold SL
(mefonoxam)
See label See label See
label
See label
(soil-injected or soil incorporated, soil-directed
and other foliar). Suppression only
4 & M1 Ridomil Gold Copper 2 lb 8 lb 5 2 For suppression only
(mefenoxam + copper hydroxide)
21 Ranman 400 SC, Ranman 0 0.5 Follow resistance management guidelines
(cyazofamid) on label
22 Elumin
(ethaboxam)
year
2 0.5 Application interval should not be less than
14 days
22 & M3 Gavel 75DF 2 lb 16 lb 5 2 Some cantaloupe varieties are sensitive,
(zoxamide + mancozeb) check label.
27 & 11 Tanos 8 oz See
label
3 0.5 Limit is 4 appl/crop. Must tankmix with a
contact fungicide. Phytophthora blight foliar
and fruit phase only (disease suppression)
(cymoxanil + famoxadone)
29 Omega 500 F
1.5 pt 7-9 pt/
year
7 0.5
33 Aliette 80WDG 5 lb 35 lb 12 hr 0.5 Do not tank mix with copper fungicides.
Linebacter WDG
(fosetyl-Al)
40 Forum 6 oz 30 oz When
spray is
dried
0.5 Apply with another fungicide that has a
different mode of action and alternate.
Minimum gallons per acre required.
(dimethomorph)
40 Orondis Ultra B, Revus 0 4 hr An adjuvant is recommended for best control.
(mandipropamid) Phytophthora blight (suppression).
43 Presidio 2 0.5 Tankmix with another fungicide product with a
different mode of action.
45 & 40 Zampro 0 0.5 No more than 2 sequential appl. Addition
of a spreading/penetrating adjuvant is
(ametoctradin + dimethomorph) recommended.
U15 Orondis Gold 200, SEE INDIVIDUAL
LABELS
0 4 h Cucurbit vegetables, Crop group 9. Must be
tank-mixed with an appropriate partner. See
label for more information.
Orondis Opti A,
Orondis Ultra A
(oxathiapiprolin)
U15 & 40 Orondis Ultra
(oxathiapiprolin + mandipropamid)
year
0 4 h Make no more than 2 sequential applications
before rotating to a fungicide with a different
mode of action. Check label for additional
details.
Powdery mildew M1 (copper compounds) SEE INDIVIDUAL
LABELS
1 Varies
from 4 hr
to 2 days
Many brands available: Americop 40 DF,
Badge SC, Badge X2, Basic Copper 53,
Camelot-O, Champ DP Dry Prill, Champ
Formula 2 FL, Champ WG, ChampION++,
Ultra 40 Disperss, Cuproxat, ET-F, Instill,
Kentan DF, Kocide 2000, Kocide 3000, Kocide
3000-O, KOP-5, Kop-Hydroxide, MasterCop,
Nordox 75WG, Nu-Cop 50 WP, Nu-Cop 3L,
Nu-Cop 30HB, Nu-Cop 50DF, Nu-Cop HB,
Nu-Cop XLR, Phyton 27 AG, Previsto
M1 & M2 Top Cop w Sulfur SEE LABEL - 1 Do not apply if air temperatures greater than
(copper + sulfur) 90°F are expected.
78 2019 Vegetable Production Handbook of Florida