Pectobacterium carotovorum subsp. carotovorum – the Causal Agent of Calla Soft Rot in Serbia and Montenegro

Bacterial strains were isolated from above- and underground parts of diseased calla plants originating from different localities in Serbia and one locality in Montenegro. They were characterized by studying their pathogenic, cultural, biochemical and physiologicalcharacteristics. All investigated st...

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Main Authors: Milan Ivanović, Katarina Gašić, Veljko Gavrilović, Aleksa Obradović
Format: Article
Language:English
Published: Institute of Pesticides and Environmental Protection 2009-01-01
Series:Pesticidi i Fitomedicina
Subjects:
Online Access:http://www.pesting.org.rs/download.php/documents/24-4/24-4%20287-293.pdf
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author Milan Ivanović
Katarina Gašić
Veljko Gavrilović
Aleksa Obradović
author_facet Milan Ivanović
Katarina Gašić
Veljko Gavrilović
Aleksa Obradović
author_sort Milan Ivanović
collection DOAJ
description Bacterial strains were isolated from above- and underground parts of diseased calla plants originating from different localities in Serbia and one locality in Montenegro. They were characterized by studying their pathogenic, cultural, biochemical and physiologicalcharacteristics. All investigated strains caused soft rot of calla leaf stalks, potato slices and aloe leaves, and induced hypersensitive reaction on tobacco. Bacteriological properties of the strains indicated that symptoms on calla plants were caused by Gram-negative, nonfluorescent, oxidase negative, catalase positive and facultatively anaerobic bacterium belonging to the genus Pectobacterium. The investigated strains grew at 37ºC and in 5% NaCl, utilised lactose and trechalose, and produced neither indol nor lecitinase. These results, as well as the characteristic growth on Logan’s differential medium indicated that soft rot of tuber and stem base of calla plants was caused by Pectobacterium carotovorum subsp. carotovorum. This is the first report of this pathogen affecting calla plants in Serbia.
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spelling doaj.art-b81c351d986d407b85ecb2fb3d664d7c2022-12-22T01:16:54ZengInstitute of Pesticides and Environmental ProtectionPesticidi i Fitomedicina1820-39492009-01-01244287293Pectobacterium carotovorum subsp. carotovorum – the Causal Agent of Calla Soft Rot in Serbia and MontenegroMilan IvanovićKatarina GašićVeljko GavrilovićAleksa ObradovićBacterial strains were isolated from above- and underground parts of diseased calla plants originating from different localities in Serbia and one locality in Montenegro. They were characterized by studying their pathogenic, cultural, biochemical and physiologicalcharacteristics. All investigated strains caused soft rot of calla leaf stalks, potato slices and aloe leaves, and induced hypersensitive reaction on tobacco. Bacteriological properties of the strains indicated that symptoms on calla plants were caused by Gram-negative, nonfluorescent, oxidase negative, catalase positive and facultatively anaerobic bacterium belonging to the genus Pectobacterium. The investigated strains grew at 37ºC and in 5% NaCl, utilised lactose and trechalose, and produced neither indol nor lecitinase. These results, as well as the characteristic growth on Logan’s differential medium indicated that soft rot of tuber and stem base of calla plants was caused by Pectobacterium carotovorum subsp. carotovorum. This is the first report of this pathogen affecting calla plants in Serbia.http://www.pesting.org.rs/download.php/documents/24-4/24-4%20287-293.pdfCallaPectobacterium carotovorum subsp. carotovorumStem and root rotBacteriological characteristics
spellingShingle Milan Ivanović
Katarina Gašić
Veljko Gavrilović
Aleksa Obradović
Pectobacterium carotovorum subsp. carotovorum – the Causal Agent of Calla Soft Rot in Serbia and Montenegro
Pesticidi i Fitomedicina
Calla
Pectobacterium carotovorum subsp. carotovorum
Stem and root rot
Bacteriological characteristics
title Pectobacterium carotovorum subsp. carotovorum – the Causal Agent of Calla Soft Rot in Serbia and Montenegro
title_full Pectobacterium carotovorum subsp. carotovorum – the Causal Agent of Calla Soft Rot in Serbia and Montenegro
title_fullStr Pectobacterium carotovorum subsp. carotovorum – the Causal Agent of Calla Soft Rot in Serbia and Montenegro
title_full_unstemmed Pectobacterium carotovorum subsp. carotovorum – the Causal Agent of Calla Soft Rot in Serbia and Montenegro
title_short Pectobacterium carotovorum subsp. carotovorum – the Causal Agent of Calla Soft Rot in Serbia and Montenegro
title_sort pectobacterium carotovorum subsp carotovorum the causal agent of calla soft rot in serbia and montenegro
topic Calla
Pectobacterium carotovorum subsp. carotovorum
Stem and root rot
Bacteriological characteristics
url http://www.pesting.org.rs/download.php/documents/24-4/24-4%20287-293.pdf
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