Stem Blight of Blueberry — Control

 

Botryosphaeria dothidea
Cross-section of blueberry stem
showing brown discoloration
caused by the fungus
Botryosphaeria dothidea.
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 …

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 …

Blueberry Freeze Damage and Protection Measures

 

Frost_Freeze_Protection
Many blueberry growers use sprinkler
systems to protect blueberry flowers
from freeze.

Commercial blueberries are generally planted in low areas with high organic-matter content. These sites satisfy the cultural requirements of blueberries for a constant and uniform moisture supply. However, …