Marfona
A second early ware variety with large tubers, a high yield and suitable for the ‘baker’ markets.
- Rather firm cooking
- Uniform tuber shape and size
- Good virus resistances
Cultivation
Pre-sprouting (chitting) is recommended. Removal of the sprouts more than once can have a negative effect on tuber numbers. Plant spacing at tuber size 35/55mm is 27cm (50,000 plants per Ha). Proper ridging is essential as tubers grow large and become green when not covered with soil. If correctly used, Metribuzin
(eg. Sencorex) does not result in reduction of yield, but discolouration of foliage can be seen. Initial development is good and further development is fine. Foliage is strong and soil coverage is good. Susceptibility to bruising is low.
Fertiliser treatment suggestions
The recommendation for Nitrogen is 25kgs less than standard. The recommendation for Potassium is 10% more than standard and for phosphate is standard.
Storage
The dormancy of Marfona is good and therefore suitable for long term storage at a temperature 5°C.
Resistance
Marfona can be susceptible to Common Scab and somewhat susceptible to Fusarium (Dry Rot) and Foliage Blight. Resistance to Viruses Yntn, Yn, X and A, Spraing and Tuber Blight is good. Marfona is resistant to Wart Disease fysio 1.
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