Onion Sets
Bejo Zaden/De Groot en Slot and Broer BV are the leading breeders of varieties for the cultivation of onion sets. Our newest varieties are launched on the market as first year onion sets under the brand name ’Quality inside’.
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What is 'Quality Inside' ?
- Unique genetics in the newest varieties.
- Bejo Zaden/De Groot en Slot and Broer BV: advice from the specialists.
- Precise grading of the onion sets in 4 sizes for an even development, an optimum timing of field treatments, and uniform ripening which gives the highest production of uniform onions.
- A strictly-controlled, healthy product. Cultivation and control following Naktuinbouw standards and procedures, complemented by the Bejo Quality Management system:
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- Cultivated and delivered according to a closed tracking system. Consignments have full traceability due to the fact that the complete production process is managed; from seed cultivation to the harvest of onion sets throughout storage to point of delivery.
- Health: selection of production fields, field control during the growth and post harvest check of each consignment.
- Consignment control on size and abnormalities before delivery.
- Information about the set count per kg.
- Representative samples tested on our own trial field on regrowth, trueness to type and health.
- Delivered with a quality certificate.

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Varieties available from Europrise
Variety
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Earliness
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Yield
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Skin Quality
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Storage capacity
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Firmness
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Dry matter
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Pungency
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Forum F1
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14.0
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90
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-
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-
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6
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14.5
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4.7
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Centurion F1
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11.9
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90
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8,5
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9
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8
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-
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-
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Hercules F1
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12.0
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100
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8
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9
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8
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15.6
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5.0
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Hytech F1
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11.0
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110
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8
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8
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8
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13.3
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4.2
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Hyred F1
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11.0
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105
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8
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9
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7
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15.0
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4.9
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Each year the breeding department of Bejo Zaden/De Groot en Slot tests all varieties on their own trial fields.
All figures listed in the table are based on 3 year averages from these trial fields.
Earliness
Yield
Skin quality Sprouting Firmness Pungency |
One point higher indicates that the crop can be harvested 1 week earlier.
Numbers are ratios.
Rating 1-10, the higher the figure, the longer the storability.
Rating 1-10, the higher the figure, the higher the tolerance.
Rating 1-10, the higher the figure, the higher the firmness of the bulbs.
Varieties rated under 3 are mild; above 5 the varieties are pungent.
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