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

Sooty canker disease poses a significant threat to Albizia lebbeck 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 ۱۰۰% with three degrees of infection, then Al-Atishiand Al-Qudah followed Al-Hussein. The infection rate was ۸۰ and ۶۰ and ۵۵ respectively, the lowest infection rate was recorded ۴۵%in Al-Naqeeb neighborhood, the degree of infection for all surveyed regions was two. The frequency ratio for the Fusarium incarnatum was ۸۲%, and the fungus Trichoderma harzianum had a frequency of ۱۰%. The two fungi were identified molecularly by PCR search of the Fusarium and Trichoderma-ID database showed ۱۰۰% nucleotide similarity with the F. incarnatum and T. harzianum. This study highlights the fungi linked to sooty canker in Albizia lebbeck 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.

کلیدواژه ها:

Fusarium incarnatum ، Trichoderma harzianum ، PCR ، Albizia. lebbeck