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.
12 Emblem
year
1 0.5
7 & 12 Miravis Prime
1 0.5 Do not make more than two applications
of Miravis Prime or other Group 7 and 12
fungicides before alternation with a fungicide
that is not in Group 7 or 12.
13 Quintec See label 3 0.5 Do not make more than 4 appl. Do not
make more than two consecutive appls . Not
labeled for all cucurbits; labeled for various
melons, cantaloupe, winter squash, gourds,
pumpkins, and watermelon.
(quinoxyfen)
19 See label 0 4 hr
Oso 5% SC
PH-D
(polyoxin D zinc salt)
21 Actigard 50WG 1 oz 8 oz 0 0.5 Apply preventively prior to disease
(acibenzolar-S-methyl) development. Suppression of disease.
27 & M5 Ariston
(chlorothalonil + cymoxanil)
3.0 pt 17.5 pt 3 0.5 See label
3 & 33 Viathon
(tebuconazole + potassium phosphite)
4 pt 12 pt 7 0.5 Disease suppression only. See label
U6 Torino 3.4 oz 6.8 oz 0 4 hr
U8 Vivando 0 0.5 See label for instructions
(metrafenone)
Pythium spp.
(damping-off)
4 Apron XL, Orondis Gold B SEE INDIVIDUAL
Ridomil Gold SL LABELS
Ultra Flourish
(mefenoxam)
4 (metalaxyl) SEE INDIVIDUAL
Many brands available: Acquire, Allegiance LABELS
FL, Metalaxyl 318 FS, Metalaxyl 265 ST,
Metalaxyl 4.0 ST, Metastar 2E, Metastar 4S,
MetXL, Sebring 318 FS, Sebring 480 FS
4 &11 Uniform SEE LABEL 0
spray in a minium of 5 gal. of water per acre
at planting. Make only one application per
season.
(mefonoxam & azoxystrobin)
28 Previcur Flex, Promess 1.2 pt 6 pt 2 0.5 Use a tank mix partner. See label for
directions using a contact fungicide and
Pythium suppression.
(propamocarb hydrochloride)
Target spot 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
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.
2019 Vegetable Production Handbook of Florida 81