The grades and grade names for onions are Canada No. 1,
Canada No. 1 Picklers and Canada No. 2. All onions sold in Ontario must
be properly packed to the grade standards and marked accordingly.
The following table identifies the requirements of the
Canada No. 1, Canada No. 1 Pickling and Canada No.2 grades.
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Grade Factors
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Canada No. 1
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Canada No. 1 Pickling
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Canada No.2
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Properly Packed
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When packaged, the onions must not be slack, overpressed or otherwise
in a condition likely to result in permanent damage during handling
or in transit.
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When packaged, the onions must not be
slack, overpressed or otherwise in a condition likely to result
in permanent damage during handling or in transit. |
When packaged, the onions must not be
slack, overpressed or otherwise in a condition likely to result
in permanent damage during handling or in transit. |
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Variety
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Onions must be of similar varietal characteristics. Different
colours or types cannot be mixed in the same package.
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Onions must be of similar varietal characteristics.
Different colours or types cannot be mixed in the same package. |
Onions must be of similar varietal characteristics.
Different colours or types cannot be mixed in the same package. |
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Decay and Condition
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Onions must be free from any moist or slimy breakdown such as
neck rot, skin rot which would include wet sunscald, heart rot,
butt rot, soft rot, or any slimy condition of the onions.
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Onions must be free from any moist or
slimy breakdown such as neck rot, skin rot which would include wet
sunscald, heart rot, butt rot, soft rot, or any slimy condition
of the onions. |
Onions must be free from any moist or
slimy breakdown such as neck rot, skin rot which would include wet
sunscald, heart rot, butt rot, soft rot, or any slimy condition
of the onions. |
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Seed Stems
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Onions must be free from any hard, pipe stem like or hollow type
neck that extends down through the middle of the onion.
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Onions must be free from any hard, pipe
stem like or hollow type neck that extends down through the middle
of the onion. |
Onions must be free from any hard, pipe
stem like or hollow type neck that extends down through the middle
of the onion. |
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Thick Necks
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Onions must be free from bottle shaped necks which show little
or no shoulder.
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Onions must be free from bottle shaped
necks which show little or no shoulder. |
Onions must be free from bottle shaped
necks which show little or no shoulder. |
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Wet Necks
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Onions should be free from wet necks where juice is squeezed
out when pressure is exerted on the neck.
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Onions should be free from wet necks
where juice is squeezed out when pressure is exerted on the neck. |
Onions should be free from wet necks
where juice is squeezed out when pressure is exerted on the neck. |
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Size
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Size requirements are listed following this table.
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Size requirements are listed following
this table. |
Size requirements are listed following
this table. |
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Maturity
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Onions must be firm and well cured meaning:
- The necks are completely dry except that prior to September
16 of each crop year may have necks only moderately dry, a damp
pliable feeling, but moisture cannot be squeezed from the necks.
- Onions do not yield to moderate pressure except prior to September
16 of each crop year may yield to moderate pressure but not
soft.
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Onions must be firm and well cured meaning:
- The necks are completely dry except that prior to September
16 of each crop year may have necks only moderately dry, a damp
pliable feeling, but moisture cannot be squeezed from the necks.
- Onions do not yield to moderate pressure except prior to September
16 of each crop year may yield to moderate pressure but not
soft.
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Onions must be moderately dry and yield only slightly to moderate
pressure.
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Appearance and Colour
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Must be free from loose onion scales and be clean and bright
to meet the staining requirement.
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Must be free from loose onion scales
and be clean and bright to meet the staining requirement. |
Must not be so badly stained or dirty that the appearance or
saleability is seriously affected.
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Doubles and Shape
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Must be free from ovoid specimens, lopsided specimens, or specimens
which clearly indicate more than one centre of growth.
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Must be free from ovoid specimens, lopsided
specimens, or specimens which clearly indicate more than one centre
of growth. |
Must not have outer skins broken so as to expose more than one
centres of growth.
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Insect Injury
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Must be free from insect injury usually at the base but sometimes
the side of the onion where:
- The insect larva is present.
- The worm hole penetrates beyond the hard root.
- The worm hole penetrates more than one edible scale on the
outer part of the onion.
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Must be free from insect injury usually at the base but sometimes
the side of the onion where:
- The insect larva is present.
- The worm hole penetrates beyond the hard root.
- The worm hole penetrates more than one edible scale on the
outer part of the onion.
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Must be free from insect injury usually at the base but sometimes
the side of the onion where:
- The insect larva is present.
- One single hole penetrates more than two edible scales.
- Two holes penetrate more than three edible scales.
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Mechanical Injury
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Must be free from any mechanical injury that penetrates more
than one edible scale.
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Must be free from any mechanical injury
that penetrates more than one edible scale. |
Must be free from any mechanical injury that penetrates more
than two edible scale.
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Old Root Growth
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Must be free from roots that are coarse, heavy and are longer
than 1 inch (25mm) that cannot be removed by normal handling.
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Must be free from roots that are coarse,
heavy and are longer than 1 inch (25mm) that cannot be removed by
normal handling. |
Must be free from roots that are coarse, thick and heavy that
seriously affect the appearance.
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Old Top Growth
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Not more than 25% of the onions may have old top longer than
3 inches (76mm).
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Not more than 25% of the onions may have
old top longer than 3 inches (76mm). |
Not more than 50% of the onions may have old top longer than
3 inches (76mm).
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Staining
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10% of the onions may be completely stained, while the remainder
must not have more than 25% of the surface stained in the aggregate.
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10% of the onions may be completely stained,
while the remainder must not have more than 25% of the surface stained
in the aggregate. |
10% of the onions may be completely stained, while the remainder
must not have more than 50% of the surface stained in the aggregate.
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Sunburn
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10% of the onions must be free from sunburn that is darker than
light green affecting an area of more than 15% of the surface.
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10% of the onions must be free from sunburn
that is darker than light green affecting an area of more than 15%
of the surface. |
No requirement.
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Sunscald
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Must be free from damaged areas of scalded tissues leaving sunken
leather-like pockets of which:
- The affected tissues are not dry.
- The affected areas of dry and sunken pockets penetrate deeper
than one edible scale.
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Must be free from damaged areas of scalded tissues leaving sunken
leather-like pockets of which:
- The affected tissues are not dry.
- The affected areas of dry and sunken pockets penetrate deeper
than one edible scale.
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Must be free from damaged areas of scalded tissues leaving sunken
leather-like pockets of which:
- The affected tissues are not dry.
- The affected areas of dry and sunken pockets penetrate deeper
than two edible scales.
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Bruising
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Where the flesh is not broken and the area is definitely soft,
bruising must not affect:
- More than two edible scales.
- More than 5% of the surface.
Where flesh is broken, bruising must not extend through more
than one edible scale.
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Where the flesh is not broken and the area is definitely soft,
bruising must not affect:
- More than two edible scales.
- More than 5% of the surface.
Where flesh is broken, bruising must not extend through more
than one edible scale.
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Where the flesh is not broken and the area is definitely soft,
bruising must not affect:
- More than three edible scales.
- More than 10% of the surface.
Where flesh is broken, bruising must not extend through more
than two edible scales.
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Cuts
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Must not extend through more than one edible scale.
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Must not extend through more than one
edible scale. |
Must not extend through more than two edible scales.
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Freezing Injury
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When cut, onions must not show:
- A wet, water-soaked or translucent appearance.
- Where the freezing injury has dried out affecting an equivalent
area equal to one complete outer scale.
- That the injury has left the onion less than firm.
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When cut, onions must not show:
- A wet, water-soaked or translucent appearance.
- Where the freezing injury has dried out affecting an equivalent
area equal to one complete outer scale.
- That the injury has left the onion less than firm.
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When cut, onions must not show:
- Where the freezing injury has dried out affecting an equivalent
area equal to two complete outer scales.
- That the injury has left the onion less than reasonably firm,
yielding only slightly to moderate pressure.
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Peeling
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25% of the onions may be completely peeled, while the remainder
must not have more than 15% of the surface exposed.
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25% of the onions may be completely peeled,
while the remainder must not have more than 15% of the surface exposed.
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25% of the onions may be completely peeled, while the remainder
must not have more than 30% of the surface exposed.
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New Root Growth
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- Must be free from new root growth at shipping point.
- Must be free from any new growth at destination that exceeds
¼ inch (6mm), and is sufficiently heavy so as to materially
affect the appearance.
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- Must be free from new root growth at shipping point.
- Must be free from any new growth at destination that exceeds
¼ inch (6mm), and is sufficiently heavy so as to materially
affect the appearance.
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- Must be free from any new growth at shipping point that exceeds
¼ inch (6mm) in length.
- Must be free from any new growth at destination that exceeds
½ inch (13mm) in length, and sufficiently heavy to seriously
effect the appearance.
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Smudge or Dark Powdery Discolouration
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10% of the onions may be completely affected by black spots or
powdery blotches on the outer surface, while the remainder must
not have more than 25% of the surface affected.
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10% of the onions may be completely affected
by black spots or powdery blotches on the outer surface, while the
remainder must not have more than 25% of the surface affected. |
10% of the onions may be completely affected by black spots or
powdery blotches on the outer surface, while the remainder must
not have more than 50% of the surface affected.
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Other Defects
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Must be free from any injury, defect or a combination not described
above which materially affects the appearance, edibility or shipping
quality .
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Must be free from any injury, defect
or a combination not described above which materially affects the
appearance, edibility or shipping quality . |
Must be free from any injury, defect or a combination not described
above which seriously affects the appearance, edibility or shipping
quality.
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A minimum diameter of 1¼ inch (32mm) and a maximum diameter
of 1¾ inch (44mm).
A minimum diameter of 3 inches (76mm).
A minimum diameter of 1¾ inches (44mm).