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Morphometric and genetic variability among Mediterranean cereal cyst nematode (Heterodera latipons) populations in Turkey

Author: Imren, M.
Author: Yildiz, S.
Author: Toktay, H.
Author: Duman, N.
Author: Dababat, A.A.
Year: 2018
ISSN: 1300-0179
Abstract: The Mediterranean cereal cyst nematode, Heterodera latipons, is an important plant parasitic nematode that negatively impacts cereal production worldwide, particularly in the Mediterranean Basin. Successful control of cereal cyst nematodes requires knowledge of the nematode species/pathotypes and their biology. However, little information is currently available concerning the phenotypic and genotypic variability of H. latipons populations in Turkey. This study analyzed the morphological/morphometric and genetic characteristics of Turkish H. latipons populations to define intraspecific distinctions between them. Morphological and morphometric studies focused on the pattern of the perineal region of cysts and second stage juveniles (J2), while the molecular analyses used sequenced ITS-rDNA regions targeting the internal transcribed spacer (ITS) region of rDNA. The data from these investigations demonstrate that nematode populations from Adana and Hatay provinces differ from the populations collected in Kilis, Gaziantep, and Mardin provinces. These phenotypic and genotypic differences between H. latipons populations may indicate that they are heterogenic, with at least two pathotypes. To date, this study is the most comprehensive analysis identifying H. latipons populations in major wheatproducing areas of Turkey.
Format: PDF
Language: English
Publisher: The Scientific and Technology Research Council of Turkey
Copyright: CIMMYT manages Intellectual Assets as International Public Goods. The user is free to download, print, store and share this work. In case you want to translate or create any other derivative work and share or distribute such translation/derivative work, please contact indicating the work you want to use and the kind of use you intend; CIMMYT will contact you with the suitable license for that purpose.
Type: Article
Country focus: Turkey
Place of Publication: Ankara, Turkey
Pages: 625-636
Volume: 42
DOI: 10.3906/zoo-1801-41
Keywords: Heterodera latipons
Keywords: Heterogeneity
Keywords: ITS Region rDNA
Keywords: Morphometrics
Keywords: Nematodes
Rights: Open Access
Agrovoc: CEREALS
Journal: Turkish Journal of Zoology

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  • Wheat
    Wheat - breeding, phytopathology, physiology, quality, biotech

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