Evaluation of St. John's wort (Hypericum perforatum L.) collection
2005
Seidler-Lozykowska, K., E-mail: [email protected] | Kazmierczak, K. (The Research Institute of Medicinal Plants, Poznan (Poland))
St. John's wort is a perennial medicinal plant commonly cultivated in Poland. St. John's wort herb, collected at the beginning of its flowering, has a broad spectrum of medical applications. In recent years St. John's wort plantations have been infected by fungi Colletotrichum gleosporioides (Penz.), which has caused necrosis of whole plants. In the Research Institute of Medicinal Plants (RIMP) a collection of 10 accessions was gathered to evaluate their morphological traits, secondary metabolites content and resistance to pathogen in comparison with cultivar "Topaz". The two-year evaluation of the collection made it possible to select accession nr 7, coming from Czarny Las near Ostrzeszow, whose plants showed C. gleosporioides tolerance and a high content of secondary metabolites
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