Allelopathic and antifungal potentials of endemic salvia absconditiflora greuter & burdet collected from different locations in Turkey

Abstract

We determined the antifungal and bioherbicidal properties of essential oils of Salvia absconditiflora. Its plant samples were collected from 10-locations in Kırşehir province, Turkey and dried in shade. Essential oils of dried plant samples were extracted by hydro-distillation method using a Schilcher device and the compounds identified in S. absconditiflora essential oils by GC-MS analysis were: Camphor (10.52-58.64%), Bicyclo [2.2.1] Heptane-2-One, 1.7.7 (21.94-30.16%) and viridiflorol (3.42-25.2%). S. absconditiflora essential oil (a dose of 10 µl/petri dishes) inhibited the mycelium growth of Sclerotinia sclerotiorum and Alternaria solani pathogens by 9.3 and 54.40 %, respectively. At dose of 20 µl/petri dish, the essential oil completely inhibited the mycelium growth of both pathogens. The S. absconditiflora essential oil at 20 µl/petri dish. was 100 % phytotoxic to seed germination and seedling growth of Lepidum sativum and Amaranthus retroflexus. Thus S. absconditiflora essential oil can be used as an alternative to synthetic fungicide and herbicide to control the plant pathogenic fungi and weeds, respectively. © 2020, International Allelopathy Foundation. All rights reserved.