Quality factors

Colour plate Number

Class 1

Class 2

Class 3

Lowest Class

-

None

None

None

*

A. 15W

Tuber shall be free from moth

Tuber shall be free from moth

To the maximum extent depicted in photo 1 is permissible: Provided that not more than 20% of the tuber needs to be cut away with level cuts to remove the infested portions

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A. 9

To the maximum extent depicted in photo 2 is permissible: Provided that damage is not deeper than 4mm

To the maximum extent depicted in photo 5 is permissible: Provided that the damage is not deeper than 6 mm and that not more than 10% of the tuber needs to be cut away with grove cuts to remove the damaged portions

To the maximum extent depicted in photo 7 is permissible: Provided that not more than 20% of the tuber needs to be cut away with groove cuts to remove the damaged portions

*

-

None

None

None

*

-

None

None

None

*

A. 15 Y

Tuber shall be free from damage by watergrass and other plants

Tuber shall be free from damage by watergrass and other plants

To the maximum extent depicted in photos 1, 2 and 3 is permissible: Provided that two watergrass per tuber or a watergrass that has grown through the tuber shall be regarded as lowest class

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A. 15 Z

Tuber shall be free from hollow heart

To the maximum extent depicted in photo 3 is permissible

To the maximum extent depicted in photo 2 is permissible

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A. 13

To the maximum extent depicted in photo 1 is permissible: Provided that

the lesion is not deeper than 3 mm

To the maximum extent depicted in photo 2 is permissible: Provided that the lesion is not deeper than 3 mm

To the maximum extent depicted in photo 5 is permissible: Provided that not more than 20% of the tuber needs to be cut away with straight cuts to remove the decayed portions

*

A. 14

Tuber shall be free from brown fleck

To the maximum extent depicted in photo 5 is permissible

To the maximum extent depicted in photo 6 is permissible

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-

None

None

None

*

-

None

Minor wrinkling of the skin is permissible

Only wilt that does not seriously affect the tuber detrimentally is permissible

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A.2

To the maximum extent depicted in photo 3 is permissible: Provided that the length of the sprouts are not in excess of 2 mm

To the maximum extent depicted in photo 5 is permissible: Provided that

the length of the sprouts are not in excess of 4 mm

To the maximum extent depicted in photo 10 is permissible: Provided that the length of the sprouts are not in excess of 10 mm

*

A.1

No greening of the tuber

To the maximum extent depicted in photo 3 is permissible: Provided that the greening does not cover more than 10% of the surface of the tuber and that the intrusion is not deeper than 2 mm

To the maximum extent depicted in photo 4 is permissible: Provided that the greening does not cover more than 20% of the surface of the tuber and that the intrusion is not deeper than 4 mm

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A.3

To the maximum extent depicted in photo 5 is permissible

To the maximum extent depicted in photo 7 is permissible

To the maximum extent depicted in photo 8 is permissible

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-

Free from foreign matter

Free from foreign matter

Free from foreign matter

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A. 5

To the maximum extent depicted in photo 5 is permissible: Provided that the lesion is not deeper than 4 mm

To the maximum extent depicted in photo 6 is permissible: Provided that the lesion is not deeper than 6 mm and that not more than 10% of the tuber needs to be cut away with groove cuts to remove the lesion

To a greater extent damaged than depicted in photo 6 is permissible: Provided that not more than 20% of the tuber needs to be cut away with groove cuts to remove the lesion

*

A. 8.1

To the maximum extent depicted in photo 4 is permissible

To the maximum extent depicted in photo 6 is permissible

To the maximum extent depicted in photo 8 is permissible

*

A. 8.2

To the maximum extent depicted in photo 4 is permissible

To the maximum extent depicted in photo 6 is permissible

To the maximum extent depicted in photo 8 is permissible

*

A. 15 X

To the maximum extent depicted in photo 3 is

permissible

To the maximum extent depicted in photo 2 is permissible

To the maximum extent depicted in photo 1 is permissible

*

A. 12

To the maximum extent depicted in photo 4 is permissible: Provided that the lesion is not deeper than 3 mm

To the maximum extent depicted in photo 7 is permissible: Provided that the lesions are not deeper than 5 mm and  not more than 10% need to be cut to remove the damaged parts

To the maximum extent depicted in photo 9 is permissible: Provided that not more than 20% of the tuber needs to be cut away with a level cut to remove the damaged parts

*

A. 4

To the maximum extent depicted in photo 3 is permissible: Provided that the growth crack is not deeper than 4 mm

To the maximum extent depicted in photo 5 is permissible: Provided that the growth crack is not deeper than 6 mm and not more than 10% of the tuber needs to be cut away with groove cuts

To the maximum extent depicted in photos 8 is permissible provided that not more than 20 % of the tuber needs to be cut away with groove cuts

*

A. 6

To the maximum extent depicted in photo 3 is permissible: Provided that maximum 25% of the tuber is abraded and that no browning is present

To the maximum extent depicted in photo 5 is permissible: Provided that maximum 50% of the tuber is abraded and that no browning is present

To the maximum extent depicted in photo 8 is permissible

*

A. 6

No browning of the tuber

To the maximum extent depicted in photo 4 is permissible: Provided that not more than 25% of the area of the tuber is abraded and browned

To the maximum extent depicted in photo 8 is permissible: Provided that the browned areas are not shiny

*

A.7

To the maximum extent depicted in photo 3 is permissible

To the maximum extent depicted in photo 6 is permissible

To the maximum extent depicted in photo 8 is permissible

*

A. 10

Free from eelworm

To the maximum extent depicted in photo 3 is permissible: Provided that maximum 10% of the tuber is infested and that the penetration is not in excess of 3 mm

To the maximum extent depicted in photo 6 is permissible: Provided that maximum 20% of the tuber is infested, that the penetration is not in  excess of 3 mm and that the peeled tuber does not appear slimy

*

A. 11

Skin eelworm to the maximum extent depicted in the lower photo 3 is permissible

Skin eelworm to the maximum extent  depicted in the lower photo 4 is permissible

*

*

A. 11

Rhizoctonia to the maximum extent depicted in the top photo 3 is permissible

Rhizoctonia to the maximum extent depicted in the top photo 4 is permissible

*

*

-

Tuber shall be free from tomato spotted wilt virus

Tuber shall be free from tomato spotted wilt virus

Tuber shall be free from tomato spotted wilt virus

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-

*

*

*

*