Published in Scientific Papers. Series B, Horticulture, Vol. LXVIV, Issue 1
Written by Silvestru Ilie NUȚĂ, Mariana NICULESCU, Călin SĂLCEANU, Paula IANCU, Marin SOARE
The false indigo-bush – Amorpha fruticosa L. is an invasive shrub, native to south-western North America. It was acclimatized in Europe as an ornamental shrub, its invasive-aggressive nature being noted over time. Areas of this species have greatly expanded in recent years across the country. The current eco-pedo-climatic conditions as well as the geographical position allow the installation of invasive species within these meadow phytocoenoses, some of them having a very high abundance-dominance. Among the species with high abundance-dominance, we studied the species Amorpha fruticosa which has an increase aggressive character both in the Jiu meadow, but especially in the Danube meadow. Although both 2022 and especially 2023 were dry years, the false indigo-bush had a massive development, most populations having a high number of individuals/m2 within phytocoenoses. This species influences the successional dynamics and the floristic composition of the forest plant communities, occupying increasingly more and more space. Each tested method (mechanical and chemical) has its advantages and challenges and often a combination of strategies is necessary for sustainable management of the species.
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