Pathogenicity and Phylogenetics of Alternaria alternata Affecting Tulipa L. in Greenhouse Conditions of the Botanical Garden
Salybekova N. Yusupov B. Apushev A.
July and August 2025Tarbiat Modares University
Journal of Agricultural Science and Technology
2025#27Issue 51155 - 1168 pp.
The study aimed to assess the pathogenicity of the fungus Alternaria alternata on various Tulipa L. species and elucidate its phylogenetic position. The research focused on five specific tulip varieties: T. albatros, T. tarda, T. delta Storm, T. biflora, and T. biebersteiniana. Methodologies included molecular analysis, microscopic examinations, cultivation of fungi on PDA, and sequencing of the 18S and 5.8S rRNA genes, as well as the D1/D2 region of the 26S rRNA gene. Results revealed variable pathogenicity across tulip species, with T. albatros showing complete leaf damage and extensive conidium formation, while T. biebersteiniana exhibited minimal damage. Factors influencing infection severity included plant variety, conidium formation, and environmental conditions. Sequencing confirmed the funguss affiliation with the Alternaria genus and highlighted its close relation to other species. The findings underscore the importance of molecular methods for accurate pathogen identification and phylogenetic classification. These results are crucial for developing targeted disease management strategies and enhancing plant resilience in agriculture. Application of the findings is feasible within agriculture to develop resilient varieties and methods for managing the dissemination of A. alternata.
Alternaria alternata (Fr.) Keissl , Ecosystem , Fungal species , Sequencing
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Department of Biology, Khoja Akhmet Yassawi International Kazakh-Turkish University, Turkistan, Kazakhstan
Karavansaray Tourist Complex, Khoja Akhmet Yassawi International Kazakh-Turkish University, Turkistan, Kazakhstan
Department of Biology
Karavansaray Tourist Complex
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