AGROTECHNOLOGY Freezing Injury

Freezing Injury

By
T.G. Lynn
-
The vascular tissue is very susceptible to low temperature injury. It often turns black when affected by freezing temperatures.
Tissues that have been frozen are soft and watery after thawing A dark line separates the affected area from healthy tissues
Freezing injury results when ice crystals form in the cells Externally tubers or affected areas of
the tubers appear flabby and of a darker colour
Eventually the lesions dry up in storage
Usually a short period of frost that penetrates the soil will injure tubers that are close to the
soil surface causing superficial lesions
T.G. Lynn
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