Southeastern U.S. Vegetable Crop Handbook - 2022 - 225

DISEASE CONTROL
TABLE 3-10. DISEASE CONTROL PRODUCTS FOR CUCURBITS (cont'd)
L. Quesada-Ocampo, Plant Pathologist, North Carolina State University; B. Dutta, Plant Pathologist, University of Georgia
Minimum Days
Disease/Material
FRAC
Code
40
Rate of Material
Formulation
PHYTOPHTHORA BLIGHT (FOLIAGE AND FRUIT) (CONT'D)
mandipropamid
(Revus 2.08F)
8 fl oz/acre
oxathiapiprolin + mefenoxam
(Orondis Gold 200)
49+4 4.8 to 9.6 fl oz/acre
Harv. Reentry Method, Schedule, and Remarks
0.5
For disease suppression only. Apply as a foliar spray with a copper-based
fungicide.
4 hr Limit to 38.6 fl oz per acre per year. Limit of 6 applications per acre per year for
the same crop. Do not follow soil applications of Orondis with foliar applications
of Orondis. Apply at planting in furrow, by drip, or in transplant water. Use the
higher rates for heavier soils, for longer application intervals, or for susceptible
varieties.
oxathiapiprolin + mandipropamid
(Orondis Ultra)
azoxystrobin
(Quadris 2.08F, Arius 250)
49+40
PLECTOSPORIUM BLIGHT (PLECTOSPORIUM)
11
azoxystrobin + difenoconazole
(Quadris Top 1.67SC)
fluxapyroxad + pyraclostrobin
(Merivon 500SC)
trifloxystrobin
(Flint 50WDG)
pyraclostrobin
(Cabrio 20WG)
POWDERY MILDEW
azoxystrobin + chlorothalonil
(Quadris Opti, Arius Advance)
azoxystrobin + difenoconazole
(Quadris Top 1.67SC)
chlorothalonil (various)
chlorothalonil + cymoxanil
(Cymbol Advance)
chlorothalonil +
potassium phosphite
(Catamaran) 5.27 SC
difenoconazole +
benzovindiflupyr
(Aprovia Top)
difenoconazole + cyprodinil
(Inspire Super) 2.82 SC
cyflufenamid
(Torino) 0.85 SC
cyprodinil + fludioxonil
(Switch) 62.5 WG
fixed copper (various)
fluopyram + tebuconazole
(Luna Experience) 3.3 F
flutianil
(Gatten)
fluxapyroxad + pyraclostrobin
(Merivon 500 SC)
11+M05
11+3
M05
M05+27
M05+
P07
7+3
3+9
U6
9+12
M01
7+3
U13
7+11
3.2 pt/acre
12 to 14 fl oz/acre
See label
3.0 pt/acre
6 pints/acre
10.5 to 13.5 fl oz/
acre
16 to 20 fl oz/acre
3.4 oz/acre
11 to 14 oz/acre
See label
8 to 17 fl oz/acre
6 to 8 fl oz/acre
4 to 5.5 fl oz/acre
1
1
See
label
3
7
1
See
label
7
0.5
0.5
See
label
0.5
0.5
0.5
0.5
Do not apply more than one foliar application before alternating with a fungicide
with a different mode of action. Do not make more than 4 applications of Group
11 fungicides per crop per acre per year.
Make no more than one application before alternating with fungicides that have
a different mode of action. Apply no more than 56 fl oz per crop per acre per
season.
Spray at first appearance and then at 7- to 14-days intervals. Avoid late-season
application after plants have reached full maturity. Does not control PM on leaf
undersides.
Repeat application at 7-day intervals. Alternate applications with different MOA
fungicide. Maximum of 17.5 pints of product per acre per year. Maximum of
15.75 lb a.i. chlorothalonil per acre per year.
Apply no more than 50 pints per crop per acre per season. Do not apply to
watermelon fruit when stress conditions conducive to sunburn occur.
Make no more than 2 applications before alternating to a fungicide with different
active ingredients. Apply no more than 53.6 fl oz per acre per year.
Make no more than two sequential applications before alternating with fungicides
that have a different mode of action. Apply no more than 80 fl oz per crop
per acre per season.
4 hr Do not make more than 2 applications per crop.
0.5
See
label
0.5
0.5
0.5
Make no more than 2 applications before alternating to a different fungicide.
Maximum of 4 to 5 applications at high and low rates. Not for target spot,
anthracnose, or Cercospora.
See label. Rates vary depending on the formulation. Repeated use may cause
leaf yellowing.
Make no more than 2 applications before alternating to a fungicide with different
active ingredients. Do not rotate with tebuconazole.
Not labeled for watermelon. Do not make more than five applications per year.
Make no more than two sequential applications before alternating with fungicides
that have a different mode of action. Maximum of 3 applications per crop.
11+3
7+11
11
11
5.5 to 8 fl oz/acre
4 hr Limit of 6 applications per acre per year for the same crop. Do not follow soil
applications of Orondis with foliar applications of Orondis. Use the higher rates
when disease is present.
11 to 15.4 fl oz/acre
12 to 14 fl oz/acre
4 to 5.5 fl oz/acre
1.5 to 2 oz/acre
12 to 16 oz/acre
1
1
4 hr Make no more than one application before alternating with a fungicide with a different
mode of action. Apply no more than 2.88 qt per crop per acre per season,
and do not make more than 4 applications of Group 11 products.
0.5
0.5
0.5
0.5
Make no more than one application before alternating with fungicides that have
a different mode of action. Apply no more than 56 fl oz per crop per acre per
season.
Make no more than two sequential applications before alternating with fungicides
that have a different mode of action. Maximum of 3 applications per crop.
Make no more than one application before alternating with fungicides that have
a different mode of action. Begin applications preventively when conditions are
favorable for disease and continue as needed on a 7-to 14-day interval.
Make no more than 1 application before alternating to a fungicide with a different
mode of action.
2022 Vegetable Crop Handbook for Southeastern United States
225

Southeastern U.S. Vegetable Crop Handbook - 2022

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