Background and objectives: Humulus lupulus, a plant belonging to the family Cannabaceae, is used as a medicinal plant with therapeutic applications in different nations. In this study, two samples of H. lupulus (vernalized and wild hops) were selected for further analysis about differences of their essential oils. Methods: The essential oils f...

In this contribution to the mycoflora of Karaj, notes are given on 28 species of micromycetes (Peronosporales, Erysiphales, Dothideales, Leotiales, Ustilaginales and mitosporic fungi) mainly collected by the authors in various parts of Karaj area. Six species are new records for Iran viz. Ramularia geranii var. geranii on Geranium pyrenaicum, Septoria gallica on Colchicum robustum, Sphaerotheca...

Metcalfa pruinosa (Say, 1830) is an invasive, gregarious sap-sucking insect that spreads rapidly through Ukraine and now detects in Kyiv city, the Autonomous Republic of Crimea, Donetsk, Dnipropetrovsk, Zakarpattia, Odesa, Kharkiv, regions. Additionally, this parasitizes more than 300 species plants, including common hop (Humulus lupulus L.). H. a valuable industrial crop grown many countries, ...