Southeastern U.S. Vegetable Crop Handbook - 2023 - 216

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
POWDERY MILDEW (cont'd)
difenoconazole + cyprodinil
(Inspire Super) 2.82 SC
cyflufenamid
(Torino) 0.85 SC
cyprodinil + fludioxonil
(Switch) 62.5 WG
fixed copper
(various)
fluopyram + difenoconazole
(Luna Flex)
fluopyram + tebuconazole
(Luna Experience) 3.3 F
flutianil
(Gatten)
fluxapyroxad + pyraclostrobin
(Merivon 500 SC)
metrafenone
(Vivando)
myclobutanil
(Rally) 40WP
penthiopyrad
(Fontelis) 1.67 SC
pyraclostrobin + boscalid
(Pristine) 38 WG
pyriofenone
(Prolivo)
quinoxyfen
(Quintec) 2.08 SC
sulfur
(various)
tebuconazole
(Monsoon) 3.6F
triflumizole
(Procure) 50 WS
SCAB
acibenzolar-S-methyl
(Actigard) 50 WP
chlorothalonil
(various)
chlorothalonil + potassium
phosphite
(Catamaran) 5.27 SC
SCLEROTINIA SCLEROTIORUM (SCLEROTINIA MINOR)
1 to 4lbs/acre
Coniothyrium minitans strain
CON/M/91-08
(Contans WG)
VINE DECLINE
fludioxonil
(Cannonball)
BM02
4 hrs
Broadcast application and incorporate into top 2 inches of soil immediately
after each application. Rotation with other fungicides allowed after 3
weeks following application. See label for different application method.
12
4 to 8 oz/acre
14
0.5
APPLY ONLY TO MELONS.
P01
M05
M05+
P07
0.5 to 1 oz/acre
See label
6 pints/acre
See label
0.5
See
label
0.5
3
3
4 to 6 fl oz/acre
4 to 8 oz/acre
7
M02
See label
See label
See
label
0.5
0.5
FRAC
Code
3+9
U6
9+12
M01
7 +3
7+3
U13
7+11
50
3
7
11+7
50
13
Rate of Material
Formulation
16 to 20 fl oz/acre
3.4 oz/acre
11 to 14 oz/acre
See label
8 fl oz/acre
8 to 17 fl oz/acre
6 to 8 fl oz/acre
4 to 5.5 fl oz/acre
15.4 fl oz/acre
2.5 to 5 oz/acre
12 to 16 fl oz/acre
12.5 to 18.5 oz/
acre
4 to 5 fl oz/acre
4 to 6 fl oz/acre
Harv.
7
1
See label
7
1
3
Reentry
0.5
4 hr
0.5
See
label
0.5
0.5
0.5
0.5
0.5
1
0.5
1
0.17
0.5
Method, Schedule, and Remarks
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.
Do not make more than 2 applications per crop.
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.
Apply at the critical time for disease control and continue as needed on a
7-to-14-day interval
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.
Begin applications prior to disease and continue on in a 7- to 10- day
interval.
Apply no more than 1.5 lb per acre per crop. Observe a 30-day plantback
interval.
Make no more than 2 sequential applications before switching to another
fungicide. Do not rotate with Pristine or Luna Experience.
Make no more than 4 applications per season
Make fungicide applications prior to disease on a 7- to 10-day interval. Do
not apply more than 16 fl oz/acre/year.
Make no more than 2 applications before alternating to a different fungicide.
Maximum of 24 fl oz/acre per year. DO NOT USE ON SUMMER
SQUASH or CUCUMBER; labeled on winter squashes, pumpkins,
gourds, melon, and watermelon.
See labels. Rates vary depending on the formulation. Do not use when
temperature is over 90°F or on sulfur-sensitive varieties.
Apply before disease appears when conditions favor development and
repeat at 10- to 14-day intervals; max 24 fl oz per season.
Begin applications at vining or first sign of disease and repeat at 7-to
10-day intervals.
Apply to healthy, actively growing plants. Do not apply to stressed plants.
Apply no more than 8 oz per acre per season.
See labels. Rates vary depending on the formulation.
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.
216
2023 Vegetable Crop Handbook for Southeastern United States
Southeastern U.S. Vegetable Crop Handbook - 2023

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