However, the average yield/ha is considered to be between 28-36 tons, with each plant producing 2-4 kg of tuber. Storage is relatively easy and in proper conditions the tubers maintain their quality for 4-6 months. Once the tuber has been removed from the ground, it must be kept at low temperatures, around 1°C. The storage room must benefit from good ventilation and moderate lighting. Exposing the tubers to bright light will damage them. It is important to note that mashua tubers also store well outside if kept in the ground. Lastly, European growers should keep in mind, in selecting the planting material, that Tropaeolum tuberosum is considered a daylight sensitive plant. There are several varieties available (e.g. cultivar “Ken Aslet”) which have been developed specifically to adapt to Europe’s climate conditions and daylight characteristics. Although highly resistant, mashua can be affected by: the Mosaic virus, nematodes (such as Criconemoides, Paraphelenchus, iscocriconemella, Drylaimus, Aphelenchus, Neocriconema and Heiciclophora) and insects such as Corpitasia turbata and Primnotrypex vorax. Selected sources of planting material: McLure and Zimmerman Customer Service McClure & Zimmerman 335 S High St, Randolph, WI 53956 United States Contact form: http://www.mzbulb.com/ContactUs.asp Royal Horticultural Society Database –Seed Exchange Program 80 Vincent Square London, SW1P 2PE United Kingdom Tel. +44 845 260 50 00 Website: http://www.mzbulb.com/ContactUs.asp Sample recipe using mashua; Source: Nutrinet (Text adapted and translated from Spanish; original retrievable from www.nutrinet.org) Ingredients: 1 kg of mashua 5 cups of water 3 cloves of garlic 3 spoons of oil 1 kg potatoes 2 eggs Coriander, mint, salt according to taste 11 Pagina 20
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