Visual quality defects on potatoes



COLOUR PLATES  |  GUIDE TO GRADING REGULATIONS
Compiled by PROKON, in collaboration with Potatoes SA and Department of Agriculture, Land Reform and Rural Development


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GREENING
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SPROUTED

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MALFORMED
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GROWTH  CRACKS
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MECHANICAL DAMAGE
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ABRADED
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VASCULAR BROWNING
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BROKEN AND CUT TUBERS
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SOILED
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INSECT DAMAGE
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EELWORM
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RHIZOCTONIA
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SKIN EELWORM AND ENLARGED LENTICELLS
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COMMON SCAB AND SIMILAR DEFECTS
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DRY STEM-END ROT AND OTHER TYPES OF DRY ROT
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BROWN FLECK
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INSECT INFESTATION (TUBER MOTH), AND VASCULAR BROWNING
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DAMAGE BY WATER GRASS AND OTHER PLANTS AND  HOLLOW-HEART
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ASSIGNEE  |  ACCREDITATION  |  MEMBERSHIP




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DALRRD

Official assignee of the Department of Agriculture, Land Reform and Rural Development

 
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SANAS

SANAS accreditation for the inspection of fresh produce

 
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IFPA member

Affiliated membership of the International Fresh Produce Association: IFPA