Seed yield and germination characteristics of wild accessions of Arnica montana L. from Trentino (Italy)

• The seed yield of investigated accessions was of 8.5 (Monte Bondone) and 10 (Malga Juribello) g m−2, respectively (three-year average).
• The mean missing plants percentage was of 10.4%.
• The mean thousand seed weight was of 1.54 g.
• The mean germination capacity was of 84.7%.
• The mean germination time was of 9.1 days.

Two Arnica montana L. wild accessions, collected from natural sites (Monte Bondone and Malga Juribello) of the province of Trento (Italy), were compared in an experimental field to investigate their seed yield and germination characteristics. From second to fourth year of cultivation the two accessions showed a mean thousand seed weight of 1.69, 1.54 and 1.40 g, a mean germination capacity of 91.6%, 81.4% and 81%, a mean germination time of 9.2, 9.3 and 8.8 days and a mean missing plants percentage of 9.4%, 9.4% and 12.5%, respectively. The seed yield of the accession from Malga Juribello was, with 10 g m−2, higher than the accession from Monte Bondone (8.5 g m−2).

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