Molecular Identification and Evaluation of Fungi Associated with Sooty Canker Disease on Albizia lebbeck in Karbala, Iraq

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Document Type : Research Paper

Authors

1 Biology Department, College of Science, University of Al-Mustansiriyah, Iraq

2 Department of Animals Produection, Faculty of Agriculture, University of Kerbala, Iraq

Abstract

Sooty canker disease poses a significant threat to Albizia lebbek trees, an important ornamental and shade tree species in Karbala province, Iraq. The study aimed to investigate the canker disease Albizia. lebbeck at several places in the province of holy Karbala in Iraq. Al-Atishi, fields of the College of Agriculture / University of Kerbala the infection rate was recorded at 100% with three degrees of infection, then Al-Atishiand Al-Qudah followed Al-Hussein. The infection rate was 80 and 60 and 55 respectively, the lowest infection rate was recorded 45%in Al-Naqeeb neighborhood, the degree of infection for all surveyed regions was two. The frequency ratio for the Fusarium incarnatum was 82%, and the fungus Trichoderma harzianum had a frequency of 10%. The two fungi were identified molecularly by PCR search of the Fusarium and Trichoderma-ID database showed 100% nucleotide similarity with the F. incarnatum and T. harzianum. This study highlights the fungi linked to sooty canker in Albizia lebbek trees in Karbala, Iraq, emphasizing integrated disease management, monitoring, cultural practices, fungicides, and the need for resistant tree varieties, this is the first report about F. Incarnatum of canker disease on A. lebbeck in Karbala province of Iraq.

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Journal of Medicinal plants and By-products

Articles in Press, Accepted Manuscript
Available Online from 11 May 2025

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