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AGROTECHNOLOGY

Internal Anthocyanin Discolouration

Anthocyanin is the pigment responsible for the red, pink, purple and blue colours in flowers, fruits and leaves.Affected tubers show purplish red stripes and flameshaped discolouration of the flesh, the result of anthocyanin formation in the cell…

AGROTECHNOLOGY

Freezing Injury

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 ofthe…

AGROTECHNOLOGY

Chilling Injury

Potatoes are sensitive not only to freezing but also to chilling. Chilling injury occurs if tubers are exposed to temperatures between 0° and 3°C. Chilled tissue willdiscolour, turning grey or black, even though ice crystals have not…

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