Abstract
Leaf chicory type belongs to valuable vegetables in terms of its high nutrition and taste qualities. In spite of those advantages, in Poland, chicory is relatively little
known. The purpose of field experiment carried out in the years 2009–2010 was the assessment of possibility of cultivation different types and cultivars of salad chicory in climatic conditions of Lower Silesia. In the experiment there were used 9 types of chicory: ‘Palla Rossa 3’, ‘Orchidea Rossa’, ‘Rosso di Verona’, ‘Grumolo bionda’, ‘Capotta di mantovana’, ’Pan di Zucchero’, ‘Rosso di Treviso 2’, ‘Rosso di Chioggia’, ‘Variegato di Castelfranco’ and two breed cultivars ‘Indigo’ and ‘Fidelio’. The highest marketable yield was recorded for ‘Grumolo bionda’ (4.24 kg·m-2) and ‘Capotta di mantovana’(4.00 kg·m-2), while the lowest one characterized ‘Fidelio’ cv. (1.27 kg·m-2) and ‘Rosso di Chioggia’ (1.56 kg·m-2). The highest amount of nitrates was observed in ‘Rosso di Verona’ – 1063.60 mg NO3·kg-1 and the lowest quantity – in ‘Indigo’ cv. (302.23 mg NO3·kg-1). The highest phosphorus content featured the plants of intensive red leaves (0.50 do 0.58% s.m.), while the highest quantity of calcium green – leaf plants. Average magnesium content in chicory leaves equaled 0.20% f.m.
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