26 | The Blueberry News FloridaBlueberryGrowers.org
TABLE 9. EFFICACY OF SELECTED FUNGICIDES AGAINST BLUEBERRY DISEASES
CONTINUED
Fungicide Rust
Anthracnose
leaf spot
Septoria leaf
spot
Ripe rot
(anthracnose)
Phomopsis
twig blight
Alternaria
rot
Botrytis
(gray mold)
Mummy
berry
Phytophthora
root rot
NA + ++ ++ ++ +++ ++ +++ NA
Captan
(Captan,
Captec) [M4]
* tank mix with
captan products
during bloom to
prevent fruit rots
topic of the season
continued on page 30
continued from page 18
NA NA NA NA NA NA ++++ ??? +++
Do not use Do not use Do not use Do not use Do not use Do not use Do not use Do not use Do not
before before before before before before before before use before
harvest. harvest. harvest. harvest. harvest. harvest. harvest. harvest. harvest.
Chlorothalonil
(Bravo®) [M5]
NA ++ +++++ +++++ +++ +++++ +++ ++++ ???
Cyprodinil +
fludioxonil
(Switch®)
[9+12]
NA + ++ ++ ++ +++ ++ +++ +++
Fenbuconazole
(Indar®)* [3]
NA ++ +++++ NA NA NA NA NA NA
Fenhexamid
(Elevate®) [17]
NA ++ +++++ ++ ++ +++ ++ ??? NA
Fenhexamid
+ captan
(Captevate®)
[17+M4]
NA NA ++ ++ +++ +++ NA NA NA
Fluazinam
(Omega
500F) [29]
NA??? NA NA?? NA
Fluopyram +
pyrimethanil
(Luna
Tranquility)
[7+9]
+++ NA NA NA + + ++++ +++ NA
Fosetyl-Al
(Aliette®
WDG) [33]
+++ NA NA NA NA NA ++++ ++++ NA
Mefenoxam
(Ridomil
Gold®) [4]
NA +++++ ??? ??? ++++ ??? ++++ ++++ ++++
Metconazole
(Quash) [3]
+++ NA NA NA NA NA ++++ ++++ NA
Mono- and
dipotassium
salts of
phosphorous
acid
(Agri-Fos®,
K-Phite®) [33]
+++ NA NA NA NA NA ++++ ++++ NA
Potassium
phosphite
(ProPhyt®)
[33]
NA +++++ NA NA NA NA ++++ ??? +++
Propiconazole
(Orbit, Tilt,
Bumper,
PropiMax [3]