Osira

very early crisp variety

  • very early maturity
  • excellent suitable for processing to crisps and flakes
  • very good crisp colour
  • good flavour and suitability as table potato
OSIRA is a very early crisp variety with excellent crisp quality. Due to early bulking and maturity, this variety can be processed already at the begin of the processing campaign. In addition OSIRA has good culinary quality and is marketable as ware potato with floury texture.
Growing recommendations
Site requirements
preferably to grow on soils in good agricultural condition; uniform water and nutrient supply is advantageous
Planting
approx. 39,000 plants/ha (seed size 35/55 mm) for early harvest; up to approx. 44,000 plants/ha in case of later intended harvest
Planting depth
normal
Seed preparation
careful sprouting stimulation; temperature shock
Seed dressing
preventive control of Rhizoctonia solani is generally recommended
Fertilization incl. return of previous crop at medium supply level
Nitrogen (N)
local usual level (approx.160 kg/ha, incl. soil supplied Nmin and organic fertilizer)
Phosphorus (P2O5)
100 kg/ha (to planting, water soluble phosphate)
Potassium (K2O)
150-200 kg/ha (at medium soil supply class)
Magnesium (MgO)
60 kg/ha
Variety characteristics
Maturityvery early
Cooking type
B - C
Processing quality
high dry matter; very low reducing sugars; very good crisp colour
Yield
high marketable yield; medium tuber size, uniform grading
Youth development
very rapid
Dormancy
good storability
Tuber characteristics
Tuber shape
round - oval
Eye depth
medium
Flesh colour
light yellow
Skin colour
yellow
Skin
netted
Resistances
PCN
Ro1, Ro4
Sensitivities
Potato Virus Y (PVY)
very low
Potato Leafroll Virus
medium
Foliage blight
medium
Tuber blight
low
Common scrab
low
Spraing
low
Bruising
low
Mechanical damage
medium

All particulars are based on offical variety trials and/or our own experience. However, as potatoes are natural products we cannot undertake any liability for these details. (status of information 10/2013)