Southeastern U.S. Vegetable Crop Handbook - 2021 - 287

DISEASE CONTROL
TABLE 3-45. GREENHOUSE DISEASE CONTROL FOR VARIOUS VEGETABLE CROPS (cont'd)
R. A. Melanson, Extension Plant Pathologist, Mississippi State University; A. Keinath, Plant Pathologist, Clemson University;
A. Cato, Extension Horticulture IPM, University of Arkansas; I. Meadows, Extension Plant Pathologist, North Carolina State University
Commodity Disease
Product 1
Basil (cont'd) Labels may include:Anthracnose,
Downy mildew, powdery mildew
hydrogen peroxide
+ peroxyacetic
acid
(OxiDate 2.0,
OxiDate 5.0
ZeroTol 2.0)
FRAC Rate of Material
NG
See label
Minimum Days
Harv.
Reentry
Method, Schedule, and Remarks
See label OMRI-listed. See labels for additional instructions
and labeled diseases, and precautions,
including those related to the use and application
of metal-based chemicals. Do not store spray
solution.
OxiDate 2.0: Not prohibited for greenhouse
use.
OxiDate 5.0: Not prohibited for greenhouse
use. Determine if product can be used safely
on greenhouse crops prior to application.
Downy mildew
(P. belbahrii)
mandipropamid
(Micora)
40
8.0 fl oz/acre
(0.9 fl oz/5,000
sq ft)
1
4 hr
For basil transplants grown in enclosed
greenhouses with permanent flooring for
resale to consumers. Do not make more than
two applications per crop before switching to
a fungicide with a different mode of action. Do
not apply within 1 day of shipping. See label for
additional restrictions and recommendations.
Labels may include:
Downy mildew, root rots
phosphonates
(mono- and
dibasic salts
of phosphites,
phosphorous
acid, potassium
phosphite)
(various)
Labels may include: Botrytis,
downy mildew, powdery mildew
potassium bicarbonate
(Carb-O-Nator,
MilStop)
P07
See
label
See
label
See label See product labels for complete application
instructions, labeled diseases, restrictions, and
crop and greenhouse usage. Check state registration
status prior to use.
NC 2.5 to 5.0 lb/100 gal
(Carb-O-Nator)
1.25 to 5.0 lb/100
gal (MilStop)
4 hr
(Carb-ONator)
1
hr
(MilStop)
OMRI-listed.
Do not store unused spray solution.
See labels for additional labeled diseases
and instructions.
Carb-O-Nator: Final spray solution should not
be below pH 7.0. Some tank-mixes may be
incompatible and may cause phytotoxicity.
MilStop: Do not exceed 0.5 lb of product per
4,350 sq ft or 1.15 lb product per 10,000 sq ft
per application. Do not adjust pH after mixing.
Do not mix with other soluble pesticide or
fertilizers.
Powdery mildew (Golovinomyces
spp.2
)
trifloxystrobin
(Flint Extra)
11
3.8 fl oz/acre
0.5
Not prohibited for greenhouse use. Do not
exceed 7.6 fl oz per acre per year. Do not apply
more than 2 sequential applications of another
FRAC 11-containing fungicide before rotating
with fungicide from different FRAC group. Minimum
interval between applications is 7 days.
Cucurbits -
transplant
production
Alternaria leaf blight (Alternaria
cucumerina), Alternaria leaf spot
(A. alternata), anthracnose (Colletotrichum
orbiculare), Cercospora
leaf spot (C. citrullina), downy
mildew (Pseudoperonospora
cubensis), gummy stem blight
(Stagonosporopsis spp. 2
ecium canker (Paramyrothecium
roridum 2
exigua 2
cucurbitacearum), Plectosporium
blight (Plectosphaerella cucumerina
2
, Golovinomyces cichoracearum
2
), Septoria leaf blight (S.
cucurbitacearum)
Gray mold (Botrytis cinerea)
fenhexamid
(Decree 50
WDG)
17
1.5 lb/acre
(stand-alone)
1.0 to 1.5 lb/acre
(tank-mix)
-
0.5
Labeled for cucumbers ONLY. Do not make
more than two consecutive applications. See
label for tank-mixing instructions. Do not exceed
6.0 lb product per acre to transplants,
), powdery mildew (Podosphaera
xanthii 2
azoxystrobin
+ benzovindiflupyr
(Mural)
),
Myroth);
Phoma blight (Boeremia
), Phyllosticta leaf spot (P.
11 + 7 0.6 to 0.8 oz/
5,000
sq ft
-
0.5
Allowed for use on transplants grown for
resale to consumers. Do not exceed two
applications of product per crop. See label for
restrictions for product use when multiple crops
are grown in the same area. Do not apply more
than one application of a FRAC 11-containing
fungicide before alternating to another fungicide
with a different mode of action.
2021 Vegetable Crop Handbook for Southeastern United States
287
Southeastern U.S. Vegetable Crop Handbook - 2021

Table of Contents for the Digital Edition of Southeastern U.S. Vegetable Crop Handbook - 2021
