Özet:

Plant parasitic nematodes were systematically surveyed in cereal production areas of Isparta and Burdur Provinces of Turkey in 2016-2017. Nine plant parasitic nematode genera were identified in Isparta and Burdur [Ditylenchus (23%), Geocenamus (20%), Helicotylenchus (33%), Heterodera (<1%), Meloidogyne (3%), Pratylenchus (76%), Pratylenchoides (52%), Paratylenchus (41%) and Tylenchus (18%)]. Pratylenchus spp. was found in 82% and 68% of samples, and Pratylenchoides spp. in 55% and 63% samples in Isparta and Burdur Province, respectively. The densities of Pratylenchus and Pratylenchoides species were higher in Isparta than in Burdur, and were often over the threshold for economic damage. As a result of morphological diagnostic studies, Pratylenchus crenatus Loof, 1960, Pratylenchus neglectus (Rensch, 1924) Filipjev & Schuurmans-Stekhoven, 1941, Pratylenchus penetrans (Cobb, 1917) Filipjev & Schuurmans-Stekhoven, 1941, Pratylenchus thornei Sher & Allen, 1953 (Tylenchida: Pratylenchidae), Pratylenchoides alkani Yüksel, 1977, Pratylenchoides crenicauda Winslow, 1958, Pratylenchoides erzurumensis Yüksel, 1977, Pratylenchoides leiocauda Sher, 1970, Pratylenchoides ritteri Sher, 1970 and Pratylenchoides variabilis Sher, 1970 (Tylenchida: Merliniidae) were identified. Pratylenchoides alkani, P. erzurumensis, P. neglectus and P. thornei were the most common species in wheat and barley fields in Burdur and Isparta Provinces.

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