Southeastern U.S. Vegetable Crop Handbook - 2022 - 238

DISEASE CONTROL
TABLE 3-16. DISEASE CONTROL PRODUCTS FOR GREENS, LEAFY BRASSICA
(COLLARD, KALE, MUSTARD, RAPE SALAD GREENS, TURNIP GREENS) (cont'd)
A. Keinath, Plant Pathologist, Clemson University
Note: For turnips harvested for roots, see Remarks and Table 3-31 Root Vegetables.
Minimum Days
Disease/Material
fluopyram + tebuconazole
(Luna Experience 400 SC)
fluopyram + trifloxystrobin
(Luna Sensation 500 SC)
penthiopyrad
(Fontelis1.67 SC)
Coniothyrium minitans
(Contans WG)
WHITE RUST
azoxystrobin
(Quadris 2.08 SC)
fenamidone
(Reason 500SC)
fluxapyroxad + pyraclostrobin
(Priaxor 500 SC)
WIRESTEM (RHIZOCTONIA)
flutolanil
(Moncut 3.8 SC)
11
8.2 oz/acre
2
0.5
Begin applications as soon as conditions become favorable for disease development.
Applications should be made on a 5-to 10-day interval. Do not make more
than 1 application of Reason 500SC before alternating with a fungicide from a
different resistance management group.
7+11
6.0 to 8.2 fl oz/acre
3
0.5
Make no more than two sequential applications before alternating with fungicides
that have a different mode of action. Maximum of 3 applications. Do not apply to
turnip greens or roots.
7
26 fl oz/acre
45
0.5
Apply to the row at planting as an in-furrow spray or a spray directed at the base
of transplants immediately after transplanting. Limit of 2 applications per year.
FRAC
Code
SCLEROTINIA STEM ROT (WHITE MOLD)
7+3
7+11
7
-
Rate of Material
Formulation
8.6 fl oz/acre
5 to 7.6 fl oz/acre
16 to 30 fl oz/acre
1 to 4 lb/acre
Harv. Reentry Method, Schedule, and Remarks
7
7
0.5
0.5
0.5
4 hr
Make no more than 2 sequential applications before alternating to a fungicide
with a different mode of action. Limit of 34 fl oz (4 applications at the high rate)
per acre per year. Do not apply to turnip grown for roots.
Make no more than 2 sequential applications before alternating to a fungicide
with a different mode of action. Limit of 15.3 fl oz (2 applications at the high rate)
per acre per year. May be applied to turnip grown for roots.
Do not exceed 72 fl oz of product per year. Make no more than 2 sequential applications
per season before rotating to another effective product with a different
mode of action.
OMRI listed product. Apply to soil surface and incorporate no deeper than 2
inches. Works best when applied prior to planting or transplanting. Do not apply
other fungicides for 3 weeks after applying Contans.
11
6.2 to 15.4 fl oz/acre
4 hr
Make no more than 2 sequential applications.
TABLE 3-17. DISEASE CONTROL PRODUCTS FOR HOPS (cont'd)
L. Quesada-Ocampo, Plant Pathologist, North Carolina State University
Disease/Material
FRAC
Code
45+40
21
U6
cymoxanil
(Curzate 60 DF)
dimethomorph
(Forum)
famoxadone + cymoxanil
(Tanos)
fixed copper (various)
fluopicolide
(Presidio)
fosetyl-Al
(Aliette WDG)
40
27+11
M01
43
P07
6 fl oz/acre
8 oz/acre
See label
4 fl oz/acre
2.5 lb/acre
7
7
0.5
0.5
27
Rate of Material
Formulation
DOWNY MILDEW (PSEUDOPERONOSPORA HUMULI)
ametoctradin + dimethomorph
(Zampro)
cyazofamid
(Ranman 400SC)
cyflufenamid
(Torino 0.85 SC)
6 to 8 oz/acre
3.2 oz/acre
6
7
4 hr
0.5
11 to 14 fl oz/acre
2.5 to 2.75 fl oz/acre
Minimum Days
Harv.
7
3
0.5
0.5
Reentry
Method, Schedule, and Remarks
Begin applications prior to disease and continue at 10- day intervals. Do not
make more than two sequential applications or three applications per year.
Begin applications prior to disease and continue at 7- to 10- day intervals. Do not
apply more than 32 fl oz per season.
Do not make more than 2 applications per crop. Begin application at first sign
of disease.
Tank mix with a protectant fungicide. Begin applications prior to disease and
continue at 10- to 14-day intervals.
Begin sprays prior to disease. Minimum interval is 10 days. Maximum 3 applications
per season.
Begin applications prior to disease and continue at 6- to 8-day intervals. Do not
make more than 6 applications per season.
See label See label See labels. Rates vary depending on the formulation. Repeated use may cause
leaf yellowing.
24
24
12 hr
0.5
Limit of 12 fl oz per acre per year. Make no more than two sequential applications.
Alternate with a fungicide with a different mode of action.
Apply as a directed foliar spray. When conditions are warm and humid applications
should be made as follows: (1) when shoots are 6-12 inches high; (2) after
training when bines are 5-6 feet tall; (3) approximately three weeks after the
second application; and (4) during bloom. Use sufficient volume of water to
insure complete coverage of foliage.
mandipropamid
(Revus)
40
8 fl oz/acre
7
4 hr
Begin applications prior to disease and continue at 7- to 10-day intervals. Do not
make more than 3 applications per season.
238
2022 Vegetable Crop Handbook for Southeastern United States

Southeastern U.S. Vegetable Crop Handbook - 2022

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