Antifungal Activity of Some Plant Essential Oils against Alternaria brassicicola (Schw.) Wiltshire
Date
2012
Authors
Journal Title
Journal ISSN
Volume Title
Publisher
Department of Botany
Abstract
The essential oil of six medicinal plants viz. Zanthoxylum armatum (DC), Juniperus
recurva Buch-Ham.ex.D.Don, Cymbopogan martini (Roxb) W. Watson, Cymbopogan
citratus (DC.)Tra, Mentha arvensis L. and Gaultheria fragrantissima Wall. were
assessed in vitro for antifungal activity against, Alternaria brassicicola: the causal
organism of leaf spot of cauliflower. Pathogenecity test was conformed by inoculating
the Pathogen into healthy cauliflower leaf. The assessment of fungitoxicity was
carried out by poisoned food technique using five different concentration (2.5 µlml
5
-1
,
5 µlml
-1
, 10 µlml
-1
, 20 µlml
-1
, 40 µlml
-1
) against the test fungi in terms of mycelial
growth inhibition. Among the choosen oil samples, oils of Mentha arvensis,
Cymbopogan martini and Cymbopogan citratus were found able to inhibit the
mycelial growth of Alternaria brassicicola completely.
Description
Keywords
Medicinal plants, Alternaria brassicicola, Essential oil