JUWEL
By planting JUWEL you get early very high marketable yields with big tubers and a uniform sizing.
VARIETY DESCRIPTION
QUALITY
- cooking type B, fine taste
- no discoloration after cooking
- starch content 12-13%
- easily washable
- suitable for early harvesting not susceptible to internal defects
- suitable for processing of early French fries
YIELD
- medium number of big sized tubers
- uniform grading
- very high marketable yield
RESISTANCES
- PCN: Ro 1, 4
- Y-Virus (PVY): high
- potato leaf roll virus (PLRV): medium
- late blight: medium
- black leg: high
- common scab: high
TUBER
- oval to long-oval
- skin yellow
- smooth shallow eyes
- light yellow flesh colour
PLANT
- strong erect stem type
- rapid development and foliage cover
- red violet flowering
PLANTING
- Juwel is suitable for all kind of soils,
- Seed tubers should be pre-sprouted.
- As a precaution seed treatment against Rhizoctonia solani is recommended.
- Juwel should be planted in rows allowing 28-30 cm between tubers and 75 cm between rows in a well-prepared seedbed.
FERTILIZATION
N-Fertilization: 140 kg N/ha (incl. N-min)
P-Fertilization: 100 kg/ha
K-Fertilization: 200-250 kg/ha (preferably sulphate)
Mg-Fertilization: 70 – 80 kg/ha
PLANT PROTECTION
- Juwel is not sensitive to Metribuzin
- Use a very strong Phytophthora program: especially first application in time by a strong systemic fungicide is very important
- afterwards routine chemical control depending on weather conditions
HARVEST
-
Crop should show senescing before killing the haulm.
-
Dry matter content should be more than 18%.
-
Skin set should be finished before harvest.
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Avoid mechanical damage during harvesting.
STORAGE
Avoid fluctuation of temperature during storage otherwise sprouting is possible.
