RAPID COMMUNICATION
Isolation and characterization of Alternaria malorum as a causal agent of bark canker on walnut trees
Shima Bagherabadi 1, A-D
,   Doustmorad Zafari 1, A,E-F  
 
More details
Hide details
1
Department of Plant Protection, Faculty of Agriculture, Bu-Ali Sina University, 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
CORRESPONDING AUTHOR
Doustmorad Zafari   

Department of Plant Protection, Faculty of Agriculture, Bu-Ali Sina University, Azadegan, P.O. Box 65178–38695, Hamedan, Iran
Submission date: 2021-08-31
Acceptance date: 2021-10-14
Online publication date: 2022-01-04
 
 
KEYWORDS
TOPICS
ABSTRACT
During 2016-2020, a longitudinal bark canker was observed on walnut branches in some of the provinces of Iran. The symptoms appeared on one side of the branches. No visible symptoms were observed on the sapwood after removal of the bark using a blade. In order to detect a potential agent of these symptoms on walnut trees, collected samples were transferred to the laboratory for further investigation. After isolation and purification based on standard methods, a fungus was frequently isolated from symptomatic tissues. Morphological and molecular assays indicated that the responsible agent of this disease was Alternaria malorom, moreover, a pathogenicity test confirmed that A. malorum was pathogenic on walnut trees. To the best of our knowledge, this study represents the first attempt to identify A. malorum as a new causative agent of bark canker on walnut trees in the world.
CONFLICT OF INTEREST
The authors have declared that no conflict of interests exist.
eISSN:1899-007X
ISSN:1427-4345