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Molecular Characterization of Filenchus cylindricus (Thorne & Malek, 1968) Niblack & Bernard, 1985 (Tylenchida: Tylenchidae) from Korea, with Comments on Its Morphology

  • Mwamula, Abraham Okki (Department of Ecological Science, Kyungpook National University) ;
  • Kim, Yiseul (Department of Ecological Science, Kyungpook National University) ;
  • Kim, Yeong Ho (Department of Ecological Science, Kyungpook National University) ;
  • Lee, Ho-wook (Department of Ecological Science, Kyungpook National University) ;
  • Kim, Young Ho (Department of Ecological Science, Kyungpook National University) ;
  • Lee, Dong Woon (Department of Ecological Science, Kyungpook National University)
  • Received : 2022.02.16
  • Accepted : 2022.06.08
  • Published : 2022.08.01
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Abstract

Filenchus cylindricus (Thorne & Malek, 1968) Niblack & Bernard, 1985 was reported from the sandy rhizospheric soils of Poa pratensis and for the first time in Korea. Females and males are molecularly characterized and morphological and morphometric data supplied. Identification was made using an integrative approach considering morphological characteristics and inferences drawn from the analyses of the D2-D3 expansion segment of 28S rRNA and ITS1-5.8S-ITS2 of rRNA partial sequences. Females and males from Korea conform to the type descriptions and also to subsequent species descriptions from Iowa and Colorado USA, Sudan and Pakistan. Despite the close morphological and morphometric similarities with F. thornei (Andrássy, 1954) Andrássy, 1963, the two species can be adequately differentiated based on molecular data inference.

Keywords

Acknowledgement

This work was supported by Korea Institute of Planning and Evaluation for Technology in Food, Agriculture and Forestry (IPET) through Agriculture, Food and Rural Affairs Convergence Technologies Program for Educating Creative Global Leader Program, funded by Ministry of Agriculture, Food and Rural Affairs (MAFRA)(no.321001-03). The authors acknowledge Gapyeong Benest golf club superintendent and students from the turfgrass pests and nematology laboratory at Kyungpook National University for their assistance and cooperation during the survey.

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