SANDRA
SANDRA is a medium-early, red edible variety that produces very high market yields and retains its strong red skin color even after prolonged storage.
VARIETY DESCRIPTION
QUALITY
- predominantly waxy; export variety – direct marketing due to color/taste
- good color behavior with regard to raw pulp discoloration and cooking darkening
- starch content 13 – 14 %
- very low tendency to internal defects, damage and black spotting
- very easy to grow
YIELD
- very high (with a high proportion of market goods)
- large-falling in uniform grading
- high approach with good water supply
RESISTANCE
- Nematodes: Ro 1
- Cancer: K 1, 2, 6*, 18* (*lowly suspectible)
- Y-Virus: very good
- Leafroll virus: medium
- Late blight: very good
- Tuber blight: very good
- Scab: good
TUBER
- oval – long oval
- flat eyes
- smooth, bright red skin and yellow flesh color
PERENNIAL
- very tall, strong stem type
- red-purple flowering
- rapid youth development
- vigorous herb development
PLANTING
- makes low to medium demands on soil and water
- seed dressing recommended
- normal planting depth
- relatively late tuber set
FERTILIZATION
N-Fertilization: 100 – 140 kg N/ha (minus N min)
P-Fertilization: 60 – 80 kg/ha
K-Fertilization: 250 kg/ha
Mg-Fertilization: 60 – 80 kg/ha
PLANT PROTECTION
- no metribuzin intolerance detected
- normal spraying sequences against Phytophthora and Alternaria
- careful haulm killing using the splitting method
STORAGE
good and long shelf life
