Evaluation of Romanian alfalfa varieties under the agro–environmental conditions in northern Bulgaria

Abstract

The aim of the present study was to determine forage productivity, crude protein content, grass stand height and regrowth rate of Romanian alfalfa varieties in the specific agroenvironmental conditions in Northern Bulgaria during four growing seasons. Six Romanian alfalfa varieties-Catinca, Magnat, Madalina, Sandra, Roxana and Daniela were included in the experiment. Bulgarian Prista 3 variety was used as a standard. The analysis of results for studied traits showed that with good performance concerning both forage productivity and rapid recovery after cutting Sandra variety was distinguished. Regarding dry matter yield and crude protein content, for four years of study no significant differences were detected among the alfalfa varieties. The yields of Romanian varieties were satisfactory and less below (2.22 %) the average yield produced by Prista 3 local variety. With respect to the crude protein (CP) content, as the most important quality parameter, the studied varieties fall into the medium CP content group, excepting Prista 3 and Roxana varieties falling into the high CP content group. There were found statistically significant differences among the varieties regarding grass stand height and regrowth rate after cutting. The studied Romanian varieties are characterized by high forage productivity and high crude protein content in dry matter. They could be evaluated as the varieties suitable for cultivation in the conditions of the Northern Bulgaria.

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