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Kerren
medium early processing variety for French Fries
- white flesh colour
- longoval tuber shape
- high marketable yields
- high baking quality after cold storage
KERREN - high processing quality, even from long-term storage
| Growing recommendations | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Site requirements | prefers average locations with uniform supply of water and nutrients | |||||||||
| Planting |
Planting depth
standard
Seed preparation
has a good dormancy; sprout stimulation evenly before planting (7-10 days)
Seed dressing
dressing against Rhizoctonia solani recommended
| |||||||||
| Herbicides | no sensitivities are known when used properly* | |||||||||
| Foliage | average leaf health; timely and regular use of fungicides against late blight is required | |||||||||
| Harvest | French Fries form - therefore slightly prone to damage; raise gently | |||||||||
| Fertilization incl. return of previous crop at medium supply level | |
|---|---|
| Nitrogen (N) | medium - compared to the local standard (2/3 before planting and 1/3 later) |
| Phosphorus (P2O5) | 100 kg/ha (water soluble phosphate at planting) |
| Potassium (K2O) | 400-350 kg/ha (up to 150 kg/ha chloride possible; on lighter soils split doses) |
| Magnesium (MgO) | 70 kg/ha (for yield and quality assurance) |
| Variety characteristics | |
|---|---|
| Maturity | medium early |
| Processing quality | consistent baking qualities; suitable for light soils |
| Yield | high yield performance for French fries |
| Youth development | initially hesistant, later rapid |
| Dormancy | good dormancy |
| Tuber characteristics | Tuber shape longoval Eye depth shallow - medium Flesh colour white Skin colour yellow Skin rough Number of tubers low - medium |
| Resistances | PCN
Ro1 (9) |
| Sensitivities | Common scab low Spraing very low - low Bruising medium Mechanical damage high |
* preliminary
All particulars are based on official variety trials and/or our own experience. However, as potatoes are natural products we cannot undertake any liability for these details. (06/2024)