Identification of fungal pathogens on Banana (Musa acuminata) in Sistan & Bluchestan province
Subject Areas : Plant ProtectionKeywords:
Abstract :
In this study, identification of fungal pathogens of banana trees (Musaacuminate L.) in Sistan & Bluchestan province during 2005-2007 was studied. After observed of disease symptoms, infected tissues were collected and cultured. For isolation of fungi from diseased samples, small pieces of leaf, corm, pseudostem and fruit were surface sterilized with 5% hypochlorite sodium and then were cultured on potato dextrose agar (PDA) medium contaning lactic acid. The growing colonies of fungi were purified by single spore and hyphal tip methods. Based on the morphological characters and pathogenicity test the fungi were identified as Colletotrichum musae,Aspergillus carnenus, Acremonium sp., Fuasarium verticillioides, F. semitectum, F. subglutinans, F. sambucinum and Musicillium theobromae causing fruit disease while F. oxysporum, Cylidrocarpon sp. and Rhisoctonia solani causing corm and root disease whereas, Alternaria alternate, Drechslera gigantean and Fusarium proliferatum causing leaf disease. This is the first report of occurrence of these fungi in banana trees in Sistan & Bluchestan province.
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