Raudenes klonu atšķirības pēc kumulatīvas zaļās masas = Differences in cumulative fresh biomass among oregano accessions
2024
Sivicka, Irina
As the descriptor for oregano (Origanum vulgare L.) states, according to the methodology of European Cooperative Programme for Plant Genetic Resources, accessions’ yield should be preferably described during the second year after establishment to allow plants to fully express their characteristics. Unfortunately, for scientific observations, oregano productiveness can be explored every year, for younger or older plants. That is why research of cumulative (summary) biomass is important for the comparison of different oregano accessions. The detection of fresh biomass, g per plant, for 44 oregano accessions from the ex situ collection of aromatic and medicinal plants’ genetic resources was made during two periods: 2012–2015 (first) and 2016–2019 (second). Cumulative fresh biomass was counted per each period (the 1st–4th growing years). Accessions No. 3 and 43 can be defined as the most productive ones because of the cumulative biomass being higher than 1000 g per plant. For all growing years accessions No. 4, 11, 25 and 37 had minimum fresh biomass in both study periods. In this research it was observed that the influence of accession and the growing year on oregano fresh biomass were significant (p<0.05).
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Editorial Latvijas Biozinātņu un tehnoloģiju universitāte
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