Table 14.4. Potato fungicides ordered by disease and then FRAC group according to their mode of action. (continued)
Pertinent Diseases
Fungicide
or Pathogens
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.
19 Ph-D 6.2 oz 31 oz 0 0 Limit is 5 appl./season. Use in alternation
with fungicides that have different modes
of action.
(polyoxin D zinc salt)
22 & M3 Gavel 75DF
(mancozeb + zoxamide)
2.0 lb 12 lb 3 2 This product contains 66.7% mancozeb
so do not exceed maximum allowed for
mancozeb considering this and other
mancozeb-containing products.
22 & M5 Zing!
(zoxamide + chlorothalonil)
1.52 lb
zoxamide
and 8.8 lb
chlorothalonil
7 12 hr Do not make more than 2 consecutive
applications before switching to another
effective fungicide with a different mode of
action
27 & 11 Tanos 8 oz 48 oz 14 0.5 Do not make consecutive applications.
Rotate to material with different mode of
action
(cymoxanil + famoxadone)
27&M5 Ariston
(cymoxanil + chlorothalonil)
2 pt 17.5 pt
cymoxanil
and 11.25
lb a.i. chlorothalonil
14 12 hr
28 Previcur Flex 1.2 pt 6.0 pt 14 0.5 Use with a tank mix. See label for seed
(propamocarb hydrochloride) piece treatment
30 Agri-tin 3.75 oz 11.5 7 2
(triphenyltin hydroxide)
30 Super-Tin 80WP 18 7 2 For use with closed tractor cabs only.
Super Tin should be tank-mixed with another
fungicide
(triphenyltin hydroxide)
30 Super-Tin 80WP 3.75 oz 11.25 oz 7 2 For use with closed tractor cabs only.
Super Tin should be tank-mixed with another
fungicide
(triphenyltin hydroxide)
40 & 3 Revus Top 14 0.5 Do not make more than 2 consecutive
(mandipropamid + difenoconazole) applications
Fusarium tuber rot M3 (mancozeb) SEE INDIVIDUAL
LABELS
3 1 See label for seed piece treatment.
Many brands available:
Dithane M45, Dithane DF Rainshield,
Dithane F45 Rainshield,Fortuna 75WDG,
Koverall, Mancozeb Flowable, Manzate
Pro-Stick, Nubark Mancozeb, Penncozeb
4FL, Penncozeb 80WP, Penncozeb 75DF,
Roper DF Rainshield
1 Mertect 340-F
per 2,000 lb
of tuber
0.5
(thiabendazole)
3&7 Emesto Silver
per 100 lb
seed pieces
See label for seed piece treatment
12 Dyna-Shield, Fludioxonil, Maxim
See label See label for equipment requirements
M3 & 25 Nubark Mancozeb AS 1 lb/100
seed pieces
1 Seed treatment
(mancozeb & streptomycin)
27, M3
& 1
Evolve 0.75 lb/100
lb cut seedpieces
1 Potato seed piece treatment
(cymoxanil + mancozeb + thiophanatemethyl)
2019 Vegetable Production Handbook of Florida 269