alexa Antifungal Activity of Some Plant Extracts against (Colletotrichum Musae) the Cause of Postharvest Banana Anthracnose
ISSN: 2157-7471

Journal of Plant Pathology & Microbiology
Open Access

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Research Article

Antifungal Activity of Some Plant Extracts against (Colletotrichum Musae) the Cause of Postharvest Banana Anthracnose

Setu Bazie1*, Amare Ayalew2 and Kebede Woldetsadik2

1University of Gondar, P.O. Box 196, Gondar, Ethiopia

2School of Plant Sciences, Haramaya University, P.O. Box 138, Haramaya, Ethiopia

*Corresponding Author:
Setu Bazie
University of Gondar, P.O. Box 196
Gondar, Ethiopia
Tel: +251 58 1110174
Fax: +251 58 1141240
E-mail: [email protected]

Received date: February 23, 2014; Accepted date: May 08, 2014; Published date: May 17, 2014

Citation: Bazie S, Ayalew A, Woldetsadik K (2014) Antifungal Activity of Some Plant Extracts against (Colletotrichum Musae) the Cause of Postharvest Banana Anthracnose. J Plant Pathol Microb 5:226. doi:10.4172/2157-7471.1000226

Copyright: © 2014 Bazie S, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

 

Abstract

The present study was conducted to determine the efficacy of extracts of some plant species against Colletotrichum musae. Methanolic extracts of 21 plant species were screened for their inhibitory effect against C. musae using paper disc method and spore germination assay. Among them, extract of Prosopis juliflora exhibited superior antifungal activity (30.7 mm), followed by Acacia albida (19 mm) as compared to nill in the control. On the other hand, carbendazim, which was used as a standard chemical check, demonstrated by far the highest inhibition zone of 51.7 mm diameter. Extracts from A. albida, Dovalis abyssinica and P. juliflora reduced conidial germination to 0.2, 0.5 and 0.3%, respectively, which didn’t vary statistically from 1.2% in Carbendazim. Six plant species, viz., A. albida, Azadirachta indica, Argemone mexicana, D. abyssinica, P. juliflora and Vernonia amygdalina, that showed high to moderate antifungal activity in the preliminary screening, were further tested for their thermal stability at 60°C and for the efficacy of their aqueous extracts against C. musae. Extracts of the tested plant species were found to be heat stable and aqueous extracts of A. albida showed the highest antifungal activity (18 mm), followed by P. juliflora (12.3 mm). Further studies need to be undertaken to isolate the active compounds from those extracts with fungicidal potential.

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