Abstract

The choice of appropriate cultivars is crucial for a well-functioning system in organic farming. Based on a three-year study (2012–2014) and comprehensive assessments of five cultivars (Pleven 4, Glyans, Svit, Kamerton, Modus) of forage pea, it was concluded that Pleven 4 showed the complex of features that defined it as suitable for growing in organic farming conditions. This cultivar was distinguished by a greater height, total biomass, average daily growth rate; parameters that provide good competitiveness against weeds as well as uptake and use of nutrients. In addition, Pleven 4 had a high yield of fodder (4050.7 kg ha−1) combined with an average ecological stability (bi = 0.93), medium resistance to downy mildew (mean disease score = 2.7) and a high nitrogen content of the forage biomass (31.8 g kg−1 dm). Kamerton also showed to have good qualities for most of the above-mentioned characteristics, but this cultivar was found to be ecologically unstable and moderately sensitive to downy mildew. Modus could be used as a donor for resistance to downy mildew.

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