Mitigating Mummy Berry Disease of Blueberry

 
Mummy berry
Mummy berry disease of blueberry.
Photo courtesy of NCSU
Cooperative Extension Service

 

Blueberries may be nutritional powerhouses, but some types are no match for the fungus Monilinia vaccinii-corymbosi, which causes “mummy berry” disease.

Fortunately, U.S. Department of Agriculture (USDA) scientists …

Stem Blight of Blueberry

 

Stem blight of blueberries
Early symptoms of stem blight on blueberries are yellowing, reddening
or drying of leaves on one or more
branches. Photo courtesy of NCSU
Cooperative Extension Service.

Blueberry stem blight caused by the fungus Botryosphaeria dothidea and other Botryosphaeria species is …

Leaf Rust of Blueberry

 

Rust
Rabbiteye cultivars suffer from pre-
mature defoliation that appears
to be caused by a rust fungus,
tentatively identified as
Pucciniastrum vaccinii (Synonym P.
myrtillus). Photo courtesy of
NCSU Cooperative Extension Service.

Leaf rust, caused by the rust fungus, Pucciniastrum vaccinii …

Armillaria Root Rot of Blueberry

 

Armillaria Root Rot
A plant infected with Armillaria Root Rot.
Photo courtesy of NCSU Cooperative Extension Service.

Armillaria root rot (Armillaria mellea, A. ostoyae) is a rare disease of blueberries in the United States, but it can cause serious damage where …