Korean Journal of Environmental Biology (환경생물)

Korean Society of Environmental Biology (한국환경생물학회)
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Morphological and molecular characterization of root-lesion nematode Pratylenchus hippeastri from Korea

  • Sungchan Huh (Department of Plant Bioscience, Pusan National University) ;
  • Namsook Park (Life and Industry Convergence Research Institute, Pusan National University) ;
  • Heonil Kang (Forest Entomology and Pathology Division, National Institute of Forest Science) ;
  • Changhwan Bae (Biological and Genetic Resources Assessment Division, National Institute of Biological Resources) ;
  • Insoo Choi (Department of Plant Bioscience, Pusan National University)
  • Received : 2023.11.30
  • Accepted : 2023.12.22
  • Published : 2023.12.31
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Abstract

The root-lesion nematode Pratylenchus spp. is the most important plantparasitic nematode due to its worldwide distribution, wide host ranges, and migratory endoparasitic characteristics. One population of Pratylenchus collected from the giant pussy willow (Salix chaenomeloides Kimura) in the Andong area as part of a nematode survey in Korea was characterized morphologically and by molecular methods. The analysis of morphological measurements and morphometric characteristics, as well as DNA sequencing of the rRNA large subunit (LSU) D2/D3 expansion segments and the internal transcribed spacer (ITS) gene sequence, confirmed the identity of this population as P. hippeastri. This study is the first report of P. hippeastri associated with Salix chaenomeloides in Korea and worldwide. Further studies on distribution and pathogenicity in different P. hippeastri host crops, such as grapevines, strawberries, and apples, are necessary. The taxonomic keys to 16 Pratylenchus species in Korea are provided.

Keywords

Acknowledgement

This work was carried out with the support of "Cooperative research Program for Agriculture Science and Technology Department", Rural Development Administration (project number PJ01565402), Republic of Korea.

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