Potato brown fleck
General information
Potato brown fleck is a disorder, not a disease.
Cause | Flecking caused by high soil temperatures during bulking. Calcium and/or boron deficiency is also believed to be involved. |
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How does it spread? | Being a disorder, brown fleck does not spread. |
Crops affected | Potato |
Control options | In the future, ensure calcium and boron levels are adequate, and do not plant susceptible varieties, such as Winlock, to mature in hot weather. |