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Thalessa
medium early processing variety for crisps and flakes
- yellow flesh colour
- stable dry matter content
- high product quality
- long-term storage variety
THALESSA - processing on the highest quality level
| Growing recommendations | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Site requirements | prefers average to better soil conditions with uniform supply of water and nutrients | |||||||||
| Planting |
Planting depth
planted 2 cm deeper for high-yielding locations (max. 17 cm soil cover)
Seed preparation
has good dormancy; sensitive to sprout breaking; a temperature shock briefly before planting (3-4 days) is beneficial
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 also against Alternaria is recommended | |||||||||
| Harvest | ensure gentle harvest | |||||||||
| 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) + 2x N leaf fertilization (max. 5 kg N/ha) after flowering |
| Phosphorus (P2O5) | 100 kg/ha (water soluble phosphate at planting) |
| Potassium (K2O) | 350-270 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 | stable in colour; best quality for crisps; suitability for crisps storage at > 6 °C and flakes > 4 °C |
| Yield | medium yield; stable starch content |
| Youth development | rapid |
| Dormancy | very dormant, suitable for long-term storage |
| Tuber characteristics | Tuber shape roundoval Eye depth shallow - medium Flesh colour yellow Skin colour yellow Skin netted Number of tubers high |
| Resistances | PCN
Ro1 (9), Ro4 (9) |
| Sensitivities | Common scab low - medium Spraing low Bruising medium Mechanical damage medium |
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. (04/2025)