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Bacterial watermark disease on Salix alba caused by Brenneria salicis in Iran
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1
Department of Plant Pathology, Vali-e-Asr University of Rafsanjan, Rafsanjan, Iran
2
Department of Plant Pathology, Ferdowsi University of Mashhad, Mashhad, Iran
A - Research concept and design; B - Collection and/or assembly of data; C - Data analysis and interpretation; D - Writing the article; E - Critical revision of the article; F - Final approval of article
Submission date: 2020-11-08
Acceptance date: 2021-01-20
Online publication date: 2021-06-19
Corresponding author
Pejman Khodaygan
Department of Plant Pathology, Vali-e-Asr University of Rafsanjan, Rafsanjan, 22 bahman, 7718897111, Rafsanjan, Iran
Journal of Plant Protection Research 2021;61(2):195-199
KEYWORDS
TOPICS
ABSTRACT
In 2016, bacterial canker symptoms, often with dried ooze, were observed on Salix alba
plants in municipal lands and parks in Kerman and Fars provinces, Iran. To determine the
causative agent, samples were collected from symptomatic trees, and macerates of the affected
bark tissues were plated on sucrose nutrient agar (SNA). Ten isolates were identified
by phenotypic characterization, pathogenicity tests, and two of them further confirmed
identity using sequence analysis of the partial of 16S rRNA and gyrB genes, and phylogenetic
analysis. The isolates showed the highest identity (99–100%) with Brenneria salicis. To
our knowledge, this is the first report of watermark disease on S. alba caused by B. salicis
in Iran.
FUNDING
This research was supported by the Vice Chancellor
of Research and Technology grant (AGR95PP5938) at
the Vali-E-Asr University of Rafsanjan, Iran.
CONFLICT OF INTEREST
The authors have declared that no conflict of interests exist.
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