Southeastern U.S. Vegetable Crop Handbook - 2021 - 260

TABLE 3-31. DISEASE CONTROL PRODUCTS FOR ROOT VEGETABLES (EXCEPT SUGAR BEET) (cont'd)
Z. Hansen, Plant Pathologist, University of Tennessee
Disease
Alternaria leaf blight,
Cercospora leaf spot
(cont'd)
Material
trifloxystrobin
(Flint)
(Gem)
fenamidone
(Reason)
FRAC
Code
Rate of Material
Formulation
2 to 2.9 oz/acre
1.9 to 2.9 fl oz/acre
11
8.2 fl oz/acre
14
Minimum Days
Harv. Reentry Method, Schedule, and Remarks
Beet (red, garden or table), Carrot, Parsnip, Radish, Turnip - Harvested for roots only (unless noted in remarks) (cont'd)
11
7
0.5 NOT FOR RADISHES. Make no more than 1 application before
alternating with a fungicide with another mode of action.
Make no more than 4 applications of trifloxystrobin or other
strobilurin fungicides per season.
0.5 NOT LABELED FOR RADISH ROOTS. Make no more than
1 application before alternating with a mefenoxam-containing
fungicide. Apply no more than 24.6 fl oz per season. Apply
with sprayer or in sprinkler irrigation. Do not use a spreader/
sticker on carrots. Pythium control only for carrot.
Cercospora leaf spot or
blight, powdery mildew
azoxystrobin + propiconazole
(various)
boscalid
(Endura)
fixed copper (various)
fluopyram + pyrimethanil
(Luna Tranquility)
fluopyram + trifloxystrobin
(Luna Sensation)
fluxapyroxad + pyraclostrobin
(Merivon)
cyprodinil + fludioxonil
(Switch)
11+3
7
14 fl oz
4.5 oz/acre
14
0.5 FOR USE ON CARROTS ONLY. No more than 1 application
before alternating with a non-Group11 fungicide. Make no
more than 42 fl oz per acre per year.
0.5 FOR USE ON CARROTS ONLY. Not for Cercospora. Do not
make more than 2 consecutive applications or more than 5
applications per season. Also labeled for use on harvested
radish leaves.
M
See labels
7 + 9 8.0 to 11.2 fl oz/acre
7+11 5.0 to 5.8 fl oz/acre
7
7
1 to 2 CHECK LABEL FOR SPECIFIC CROP LISTINGS. Make
sure product is labeled in state prior to use.
0.5
0.5
Not for Cercospora. Do not make more than 2 consecutive
applications before rotating to a labeled non-Group 7 or nonGroup
9 fungicide. Not labeled for use in Louisiana.
Not for Cercospora except on carrot. Do not make more
than 2 consecutive applications before rotating to a labeled
non-Group 7 or non-Group 11 fungicide. Carrot rate is 4.0 to
7.6 fl oz/acre.
7+11
4 to 5.5 fl oz/acre
7
0.5
Do not make more than 2 consecutive applications before
rotating to a labeled non-Group 7 or non-Group 11 fungicide.
Make no more than 3 applications per season. Use maximum
rate for Cercospora leaf spot.
9+12
11 to 14 oz/acre
7
0.5
Not for Cercospora. Apply when disease first appears, and
continue on 7 to 10 day intervals if conditions remain favorable
for disease development. For radish, make no more than
2 applications per year. For other root crops, do not exceed
56 oz of product per acre per year. Also labeled for use on
harvested garden beet, turnip, and radish leaves.
penthiopyrad
(Fontelis)
propiconazole (various)
7
16 to 30 fl oz/acre
0.5
Make no more than 2 consecutive applications before alternating
with a fungicide with a different mode of action. Apply
no more than 61 fl oz/acre per year. Also labeled for use on
harvested garden beet, turnip, and radish leaves.
3
3 to 4 fl oz/acre
14
0.5 FOR USE ON GARDEN BEETS, CARROTS, AND RADISHES
ONLY. Use higher rate for carrots. Make no more than 2
consecutive applications before alternating with a fungicide
with a different mode of action. Apply no more than 16 fl oz/
acre/season.
pyraclostrobin (Cabrio)
pyraclostrobin + boscalid
(Pristine)
sulfur (various)
trifloxystrobin
(Flint)
(Gem)
Phytophthora basal
stem rot
mefenoxam
(Ridomil Gold) 4 SL
(Ultra Flourish) 2 EC
metalaxyl (various)
4
11
11+7
8 to 12 oz/acre
8 to 10.5 oz/acre
0.5
Alternate with a fungicide with a different mode of action.
Apply no more than 48 oz/acre/season. Also labeled for use
on harvested garden beet, turnip, and radish leaves.
0.5 FOR USE ON CARROTS ONLY. Make no more than 2 consecutive
applications before alternating with a different mode
of action. Use no more than 63 oz or make no more than 6
applications per season.
M
11
2 to 2.9 fl oz/acre
1.9 to 2.9 fl oz/acre
4
1 to 2 pt/trt acre
2 to 4 pt/trt acre
4 to 8 pt/trt acre
-
2
-
3 to 10 lb/acre
7
1 POWDERY MILDEW ONLY. Spray at first appearance. Avoid
applying on days over 90°F. Also labeled for use on harvested
garden beet and turnip leaves
0.5 NOT FOR RADISHES. Make no more than 1 application before
alternating with a fungicide with another mode of action.
Make no more than 4 applications of trifloxystrobin or other
strobilurin fungicides per season.
2
Apply preplant incorporated into top 2 inches, as a soil spray
at planting. Surface spray must be incorporated by rainfall or
irrigation.
May be applied preplant incorporated or as a soil surface
spray after planting.
260
2021 Vegetable Crop Handbook for Southeastern United States
DISEASE CONTROL

Southeastern U.S. Vegetable Crop Handbook - 2021

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