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TR
Occurrence and distribution of cyst nematodes, Heterodera spp. (Tylenchida: Heteroderidae) associated with black cabbage, Brassica oleracea var. acephala L. (Brassicales: Brassicaceae) in the Eastern Black Sea Region of Türkiye
Abstract
This study was conducted during 2021-2022 to detect and determine distribution and population of cyst nematodes, Heterodera spp. (Tylenchida: Heteroderidae) in black cabbage Brassica oleracea var. acephala L. (Brassicales: Brassicaceae) production areas of the Eastern Black Sea Region of Türkiye. For it, a total of 77 samples were taken from 53 districts belonging to the Artvin, Giresun, Ordu, Rize, and Trabzon provinces in the region. Soil samples were taken from around the root of the kale plants. Nematodes were extracted by using the centrifugal flotation technique. The nematodes were identified using morphological features and molecular analysis based on Polymerase Chain Reaction (PCR) method. For molecular analysis, the ribosomal DNA region including the gene region of 28S ribosomal RNA (rRNA) (ITS1, 5.8S, ITS2) was amplified using primer sets TW81/AB28. Additionally, a species-specific primer set (Car-F/Car-R) covering the Cytochrome Oxidase I (cox1) region of mitochondrial DNA (mtDNA) was used. As a result of the analysis, cyst nematodes Heterodera cruciferae Franklin, 1945, Heterodera carotae Jones, 1950 and Heterodera fici Kirjanova, 1954 species were identified in the kale production areas in the region. Heterodera carotae is the first record of the cyst nematode species in Türkiye. Heterodera cruciferae, H. carotae, and H. fici were detected from the total collected soil samples at 16.9%, 3.9%, and 1.3% relative frequency, respectively. Among all, Giresun was the most infected province with 35.3% infection rate, followed by Trabzon with 26.3%, Ordu with 21.1% and Rize with 13.3%.
Keywords
Supporting Institution
Ordu Üniversitesi, Bilimsel Araştırmalar Projeleri Koordinasyon Birimi (BAP)
Project Number
B-2205
Thanks
We thank Ordu University for supporting this project by e Scientific Research Project Office (BAP Project No:B-2205).
References
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Details
Primary Language
English
Subjects
Nematology
Journal Section
Research Article
Early Pub Date
July 12, 2024
Publication Date
July 12, 2024
Submission Date
January 3, 2024
Acceptance Date
April 25, 2024
Published in Issue
Year 2024 Volume: 48 Number: 2
APA
Güvercin, B., & Akyazı, F. (2024). Occurrence and distribution of cyst nematodes, Heterodera spp. (Tylenchida: Heteroderidae) associated with black cabbage, Brassica oleracea var. acephala L. (Brassicales: Brassicaceae) in the Eastern Black Sea Region of Türkiye. Turkish Journal of Entomology, 48(2), 139-154. https://doi.org/10.16970/entoted.1414404