Allelopathic Effect of Aqueous Extracts from the Leaves of Peppermint (&lt;i style='mso-bidi-font-style:normal'&gt;Mentha × piperita&lt;/i&gt; L.) on Selected Physiological Processes of Common Sunflower (&lt;i style='mso-bidi-font-style:normal'&gt;Helianthus annuus&lt;/i&gt; L.)
Notulae botanicae Horti Agrobotanici Cluj-Napoca