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.
M1 & M3 ManKocide
(copper hydroxide + mancozeb)
3 lb 24 lb 5 2 Some cantaloupe varieties are sensitive. See
label for details.
21 Actigard 50WG 1 oz 8 oz 0 0.5 Apply preventively prior disease development.
(acibenzolar-S-methyl) Suppression of disease.
Anthracnose 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,
C-O-C-S WDG, Camelot-O, Champ DP Dry
Prill, Champ Formula 2 FL, Champ WG,
ChampION++, Copper-Count-N, CS 2005,
ET-F, Instill, Kentan DF, Kocide 2000, Kocide
3000, Kocide 3000-O, KOP-5, Kop-Hydroxide,
MasterCop, Nordox 75WG, NorDox 50WP,
Nu-Cop 3L, Nu-COp 30 HB, Nu-Cop 50DF,
Nu-Cop HB, Nu-Cop XLR, Phyton 27 AG,
Previsto, Stretch
M1 & M3 ManKocide 3 lb 24 lb 5 2 Some cantaloupe varieties are sensitive.
(copper hydroxide + mancozeb) Check label for details.
M3 (mancozeb) SEE INDIVIDUAL
LABELS
5 1
Many brands available:
Dexter Max, Dithane DF Rainshield, Dithane
F45 Rainshield, Dithane M45, Fortuna
75WDG, Koverall, KOVERALL, Manzate
Max, Manzate Pro-Stick, Penncozeb 75DF,
Penncozeb 80WP, Protect DF, Roper DF
Rainshield
M5 (chlorothalonil) SEE INDIVIDUAL
LABELS
0 1
Follow label recommendations on watermelon
after fruit set. Do not apply to mature
watermelons under dry, hot and other
environmental conditions as indicated on the
label.
Many brands available:
Arius ADV, Bravo Ultrex, Bravo Weather Stik,
Bravo ZN, Choloronil 720, Chlorothalonil 720,
Chlorothalonil 720 SC, Echo 720, Echo 90 DF,
Echo ZN, EQUUS 720 SST, Equus 720 SST,
Equus DF, Initiate 720, Initiate ZN, Orondis
Opti B, Praiz
4 & M5 Ridomil Gold Bravo SC
(mefenoxam + chlorothalonil)
3.25 pt See label 7 2 Limit is 4 appl/crop.
M5 & U15 Orondis Opti
(chlorothalonil + oxathiapiprolin)
2.5 pt 10 pt/
year
0 0.5 Check label for additional guidelines. Make
no more than 2 sequential applications before
rotating to a fungicide with different mode of
action.
M5 & 27 Ariston 3 pt 17.5 pt 3 0.5
(chlorothalonil + cymoxanil)
4 & M5 Ridomil Gold Bravo SC
(mefenoxam + chlorothalonil)
3.25 pt See label 0 2 Limit is 4 appl/crop.
1 (thiophanate-methyl) SEE INDIVIDUAL
LABELS
1 1 Follow resistance management guidelines on
Many brands available: 3336 EG, 3336 F, label. Check label for additional guidelines.
3336 WP, Cercobin, Incognito 4.5F, Incognito
85 WDG, T-Methyl 4.5 AG, T-Methyl 4.5 F,
T-Methyl 70 WP, Talaris 4.5F, Talaris 70 WSB,
Thiophanate methyl 85 WDG, TM 4.5 F,
Topsin 4.5 FL, Topsin M WSB
7 & 3 Aprovia Top See label 0 0.5 See label for guidelines
7 & 3 Luna Experience 7 No more than 2 sequential apps before
rotating to a non-FRAC 7and non-FRAC 3
fungicide.
70 2019 Vegetable Production Handbook of Florida