|
Fungicide (tradename)
|
Black Rot1
|
Downy Mildew1
|
Powdery Mildew1
|
Phomopsis Cane and Leaf Spot1
|
Anthracnose
|
|
azoxystrobin (Abound)2,3
|
+++
|
+++ (FRP)
|
+++ (FRP)
|
+
|
?
|
|
boscalid (Endura)
|
0
|
0
|
+++
|
0
|
?
|
|
boscalid + pyraclostrobin (Pristine)3
|
+++
|
+++ (FRP)
|
+++
|
++
|
?
|
|
captan (Captan, Captec)
|
+
|
+++
|
0
|
+++
|
+
|
|
cyprodinil (Vangard)
|
0
|
0
|
0
|
0
|
?
|
|
fenarimol (Rubigan)2
|
++
|
0
|
+++ (FRP)
|
0
|
?
|
|
fenhexamid (Elevate)
|
0
|
0
|
0
|
0
|
?
|
|
ferbam (Carbamate)
|
+++
|
+
|
0
|
+
|
?
|
|
fixed Copper and lime
|
+
|
+++
|
++
|
+
|
+
|
|
iprodione (Rovral)
|
0
|
0
|
0
|
0
|
?
|
|
kresoxim-methyl (Sovran)2,3
|
+++
|
++ (FRP)
|
+++ (FRP)
|
+
|
?
|
|
mancozeb (Dithane, Mancozeb, Manzate)
|
+++
|
+++
|
0
|
+++
|
+
|
|
metalaxyl (Ridomil GoldMZ)
|
++
|
+++
|
0
|
+
|
0
|
|
metalaxyl (Ridomil Gold Copper)
|
+
|
+++
|
++
|
+
|
0
|
|
myclobutanil (Nova)2
|
+++
|
0
|
+++ (FRP)
|
0
|
?
|
|
phosphorous acid (various formulations)
|
0
|
+++
|
0
|
0
|
0
|
|
potassium salts (Armicarb 100, Kaligreen)
|
0
|
0
|
++
|
0
|
-
|
|
pyrimethanil (Scala)
|
0
|
0
|
0
|
0
|
?
|
|
quinoxyfen (Quintec)
|
0
|
0
|
+++
|
0
|
0
|
|
Stylet oil (JMS)
|
0
|
0
|
+++
|
0
|
0
|
|
Sulfur (several formulations)
|
0
|
0
|
+++
|
+
|
?
|
|
tebuconazole (Elite)2
|
+++
|
0
|
+++ (FRP)
|
0
|
?
|
|
thiophanate-methyl (Topsin M)4
|
+
|
0
|
+++
|
++
|
?
|
|
trifloxystrobin (Flint)2,3
|
+++
|
+ (FRP)
|
+++ (FRP)
|
+
|
?
|
|
tebuconazole + trifloxystrobin (Adament)
|
+++
|
+
|
+++
|
+
|
?
|
|
triflumizole (Procure)2
|
++
|
0
|
+++ (FRP)
|
0
|
?
|
|
Ziram
|
+++
|
++
|
0
|
++
|
+
|
|
Lime sulfur (Calcium Polysulfide)
dormant spray
|
-
|
-
|
-
|
-
|
++
|
|
Key: +++ = highly effective; ++ = moderately effective; + =
slightly effective; 0 = not effective ? = effectiveness unknown or not established; FRP=Fungicide Resistance Possible
|
|
1Source: Midwest Commercial Small Fruit and Grape Spray Guide 2008
2These fungicides are not recommended for powdery mildew control due to the development of funigicide-resistant strains of the powdery mildew fungus.
3These fungicides are not recommended for downy mildew control due to the development of funigicide-resistant strains of the downy mildew fungus.
4Where Topsin M-resistant strains of the powdery mildew and Botrytis fungi have been detected, Topsin M will be ineffective and should not be used.
|
Note: The above ratings are intended to provide a rating of relative effectiveness. They are based on published data and/or field observations from various locations. Ratings could change based on varietal susceptibility and environmental conditions for disease development.
This publication may contain pesticide recommendations. Changes in pesticide regulations occur constantly and human errors are possible. Questions concerning the legality and/or registration status for pesticide use should be directed to the appropriate Extension Agent/Specialist or state regulatory agency. Read the label before applying any pesticide. The Texas A&M University System and its employees assume no responsibility for the effectiveness or results of any chemical pesticide usage. No endorsements of products are made or implied.
