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1
SMALL GRAINS DISEASE MANAGEMENT
Fungicide Efficacy for Control of Wheat Diseases
The North Central Regional Committee on Management of Small Grain Diseases (NCERA-184) has developed the following information about fungicide efficacy for the control of certain foliar diseases of wheat for use by the grain produc-tion industry in the United States.The efficacy ratings for each fungicide listed in this table were determined by field testing the materials over multiple years and locations by the members of the committee. Effi-cacy is based on proper application timing to achieve opti-mum effectiveness of the fungicide as determined by labeled instructions and overall level of disease in the field at the time of application. Differences in efficacy among fungicide products were determined by direct comparisons among products in field tests and are based on a single application of the labeled rate as listed in the table.
CPN-3002-W
The table includes most widely marketed products and is not intended to be a list of all labeled products.Many products have specific use restrictions. Restrictions may be present on the amount of active ingredient that can be applied within a period of time or on the number of sequential applications that can occur.Read and follow all use restrictions before applying any fungicide.
2Small Grain Disease Management
Fungicide Efficacy for Control of Wheat DiseasesFu
ngic
ide
Effic
acy
for C
ontr
ol o
f Whe
at D
isea
ses1
1 Effi
cacy
cate
gorie
s: N
L=N
ot L
abel
ed; N
R=N
ot R
ecom
men
ded;
P=P
oor;
F=Fa
ir; G
=Goo
d; V
G=V
ery
Goo
d; E
=Exc
elle
nt; U
=Unk
now
n ef
ficac
y or
insu
ffici
ent d
ata t
o ra
nk p
rodu
ct.
2 App
licat
ion
of p
rodu
cts c
onta
inin
g str
obilu
rin fu
ngic
ides
may
resu
lt in
elev
ated
leve
ls of
the m
ycot
oxin
Deo
xyni
vale
nol (
DO
N) i
n gr
ain
dam
aged
by
head
scab
.3 P
rodu
ct ef
ficac
y m
ay b
e red
uced
in ar
eas w
ith fu
ngal
pop
ulat
ions
that
are r
esist
ant t
o str
obilu
rin fu
ngic
ides
.4 E
ffica
cy m
ay b
e sig
nific
antly
redu
ced
if so
lo st
robi
lurin
pro
duct
s are
appl
ied
afte
r stri
pe ru
st in
fect
ion
has o
ccur
red.
5 Mul
tiple
gen
eric
pro
duct
s con
tain
ing
the s
ame a
ctiv
e ing
redi
ents
also
may
be l
abel
ed in
som
e sta
tes.
6 Pro
duct
s with
mix
ed m
odes
of a
ctio
n ge
nera
lly co
mbi
ne tr
iazo
le an
d str
obilu
rin ac
tive i
ngre
dien
ts. N
exic
or®
, Pria
xor®
, and
Triv
apro
® in
clud
e car
boxa
mid
e act
ive i
ngre
dien
ts.
7 Bas
ed o
n ap
plic
atio
n tim
ing
at th
e beg
inni
ng o
f ant
hesis
(Fee
kes 1
0.5.
1).
Fung
icide
(s)Ra
te/A
(fl. o
z)Po
wder
y M
ildew
Stag
onos
pora
Le
af/G
lum
e Bl
otch
Sept
oria
Le
af
Blot
chTa
n Spo
tSt
ripe
Rust
Leaf
Rus
tSt
em
Rust
Head
Sc
ab2
Harv
est
Restr
ictio
nCla
ssAc
tive
Ingr
edien
tPr
oduc
t
Stro
bilur
inspic
oxys
trobin
22.5%
Apro
ach S
C®6.0
-12.0
GVG
VG3
VGE4
VGVG
NLFe
ekes
10.5
pyra
clostr
obin
23.6%
Head
line S
C®6.0
-9.0
GVG
VG3
EE4
EG
NLFe
ekes
10.5
Triaz
oles
met
cona
zole
8.6%
Cara
mba
0.75
SL®
10.0-
17.0
VGVG
UVG
EE
EG
30 da
ys
prop
icona
zole
41.8%
Tilt 3
.6EC®
54.0
VGVG
VGVG
VGVG
VGP
Feek
es
10.5.
4
prot
hioco
nazo
le 41
%Pr
oline
480S
C®5.0
-5.7
UVG
VGVG
VGVG
VGG
30 da
ys
prot
hioco
nazo
le19%
tebu
cona
zole
19%
Pros
aro 4
21SC
®6.5
-8.2
GVG
VGVG
EE
EG
30 da
ys
tebu
cona
zole
38.7%
Folic
ur 3.
6F®5
4.0NL
NLNL
NLE
EE
F30
days
Mixe
d mod
es
of ac
tion6
benz
ovind
iflup
yr 2.
9%pr
opico
nazo
le 11
.9%
azox
ystro
bin 10
.5%Tri
vapr
o SE®
8.0VG
VGVG
VGE
EVG
NLFe
ekes
10
.5.4
14 da
ys
cypr
ocon
azole
7.17
%pic
oxys
trobin
17.94
%Ap
roac
h Prim
a SC®
3.4-6
.8VG
VGVG
VGE
VGU
NR45
days
fluap
yroxa
d 2.8%
pyra
clostr
obin
18.7%
prop
icona
zole
11.7%
Nexic
or EC
®7.0
-13.0
GVG
VGE
EE
VGNL
Feek
es 10
.5
fluox
astro
bin 14
.8%flu
triafo
l 19.3
%Pr
eem
ptor
SC®
4.0-6
.0U
UVG
VGE
VGU
NLFe
ekes
10.5
and 4
0 day
s
fluxa
pyro
xad 1
4.3%
pyra
clostr
obin
28.6%
Priax
or®
4.0-8
.0G
VGVG
EVG
VGG
NLFe
ekes
10.5
prop
icona
zole
11.7%
az
oxys
trobin
13.5%
Quilt
Xcel
2.2SE
®510
.5-14
.0VG
VGVG
VGE
EVG
NLFe
ekes
10
.5.4
prot
hioco
nazo
le 10
.8%tri
floxy
strob
in 32
.3%St
rate
go YL
D®4.0
GVG
VGVG
VGVG
VGNL
Feek
es 10
.535
days
prot
hioco
nazo
le 16
.0%tri
floxy
strob
in 13
.7%De
laro 3
25SC
®8.0
GVG
VGVG
VGVG
VGNL
Feek
es 10
.5 35
days
pydif
lumet
ofen
13.7%
pr
opico
nazo
le 11
.4%M
iravis
Ace S
E13
.7VG
VGVG
VGVG
VGVG
G7Fe
ekes
10
.5.4
tebu
cona
zole
22.6%
triflo
xystr
obin
22.6%
Abso
lute M
axx S
C®5.0
GVG
VGVG
VGE
VGNL
35 da
ys
3Small Grain Disease Management
Fungicide Efficacy for Control of Wheat Diseases
June 2019
Find Out MoreThe Crop Protection Network (CPN) is a multi-state and international collaboration of university and provincial extension specialists, and public and private professionals who provide unbiased, research-based information to farmers and agricultural personnel. Our goal is to communicate relevant information that will help professionals identify and manage field crop diseases.Find more resources at CropProtectionNetwork.org.
This publication was developed and published by Erick DeWolf (Kansas State University) and members of the NCERA-184.
The information in this publication is only a guide, and the authors assume no liability for practices implemented based on this information. Reference to products in this publication is not intended to be an endorsement to the exclusion of others that may be similar. Individuals
using such products assume responsibility for their use in accordance with current directions of the manufacturer.
The U.S. Department of Agriculture (USDA) prohibits discrimination in all its programs and activities on the basis of race, color, national origin, age, disability, and where applicable, sex, marital status, familial status, parental status, religion, sexual orientation, genetic information, political beliefs,
reprisal, or because all or a part of an individual’s income is derived from any public assistance program. (Not all prohibited bases apply to all programs.) Persons with disabilities who require alternative means for communication of program information (Braille, large print, audiotape, etc.) should contact
USDA’s TARGET Center at (202) 720-2600 (voice and TDD). To file a complaint of discrimination write to USDA, Director, Office of Civil Rights, 1400 Independence Avenue, S.W., Washington, D.C. 20250-9410 or call (800) 795-3272 (voice) or (202) 720-6382 (TDD). USDA is an equal opportunity
provider and employer.
©2019 by the Crop Protection Network. All rights reserved.