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Columbia
medium early, mainly firm cooking ware potato
- yellow flesh colour
- roundoval tuber shape
- large grading size
- high marketable yield
COLUMBIA - large sizes and attractive tubers
| Growing recommendations | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Site requirements | prefers average to better soil conditions with uniform supply of water and nutrients | |||||||||
| Planting |
for large seed sizes + 2 cm
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*; seek advice | |||||||||
| Foliage | average leaf health; timely and regular use of fungicides against late blight is advisable | |||||||||
| 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) |
| Phosphorus (P2O5) | 100 kg/ha (water soluble phosphate at planting) |
| Potassium (K2O) | 350-270 kg/ha (up to 80 kg/ha chloride possible; on lighter soils split doses) |
| Magnesium (MgO) | 70 kg/ha (for yield and quality assurance) |
| Variety characteristics | |
|---|---|
| Maturity | medium early |
| Cooking type | B |
| Consumption quality | mainly firm cooking, low discolouration after cooking, good taste |
| Yield | large grading size with high marketable yield |
| Youth development | rapid |
| Dormancy | good dormancy, good storability |
| Tuber characteristics | Tuber shape roundoval Eye depth shallow - medium Flesh colour yellow Skin colour yellow Skin smooth Number of tubers medium - high |
| Resistances | PCN
Ro1 (7) Potato wart disease
1 (a) |
| Sensitivities | Common scab low Spraing very low - low Bruising low Mechanical damage low - medium |
* preliminary | (a) low sensitivities
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. (07/2023)