Cross-section of blueberry stem
showing brown discoloration
caused by the fungus
Image courtesy of NCSU CES.
The control of stem blight depends on cultural practices; fungicides do not provide adequate protection.
Having a clean planting stock is the …
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 …
During the blueberry growing season, you will be concerned about several foliar diseases of blueberry, including:
These diseases should be …
Yellow to black fruiting
bodies (cleistothecia) form on infected
leaves. Photo courtesy of
NCSU Cooperative Extension Service
The powdery mildew disease usually does not develop on blueberry leaves until midsummer after the crop is harvested.
Diseases caused by plant pathogenic fungi, viruses and bacteria can cause significant economic loss in commercial blueberry fields.
Blueberry diseases can be grouped into broad categories based on the type of plant pathogenic organism that causes the diseases – fungi, …
Gray sporulation of Botrytis cinerea.
If there is a late freeze or even cold weather during bloom time, check the flowers and young fruit for the presence of Botrytis blight. If Botrytis is present, there will be a gray-green …
Mummy berry is an important pathogen in many blueberry-growing regions of the United States.
Fruit infection stage of the mummy berry
disease. Image courtesy of NCSU CES
Mummy berry, a disease caused by the fungus Monilinia vaccinii-corymbosi, is …