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Peer-reviewedCC BY-NC-NDJournal of nematology

First report of Helicotylenchus microlobus, Mesocriconema nebraskense and Meloidogyne naasi from turfgrass in Utah, USA, based on comprehensive morphological, morphometric, and molecular data

  • Yongsan Zeng1
  • Adam Van Dyke2
  • Joseph A. Roberts1
  1. 1Pee Dee Research and Education Center, Department of Plant and Environmental Sciences, Clemson University , 2200 Pocket Road , , SC 29506 ,
  2. 2Professional Turfgrass Solutions, LLC , 2846 W Lincoln Cove , , UT 84095 ,
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Abstract

The core soil samples collected from annual bluegrass at a golf course in Oakridge Country Club, Utah, USA were submitted for identification in July 2024. A high number of Helicotylenchus sp., Mesocriconema sp. females, and Meloidogyne sp. juveniles were recovered from the samples using the rapid centrifugal-flotation and mist chamber extraction methods. They were examined by morphological observation and morphometric measurements under light microscopy, and by analysis of sequences from multiple molecular markers, including the ribosomal DNA 18S, 28S, and ITS. Morphological characteristics and morphometrics, as well as BlastN comparisons with other population sequences of respective nematodes from GenBank, were consistent with identification as Helicotylenchus microlobus, Mesocriconema nebraskense, and Meloidogyne naasi. Phylogenetic trees inferred from rDNA18S, 28S, and ITS sequences all separated the Utah population into a strongly supported clade with other respective isolates of H. microlobus, Mesocriconema nebraskense, and Meloidogyne naasi. This study first comprehensively reports morphological and molecular characterization of H. microlobus, Mesocriconema nebraskense and Meloidogyne naasi from turfgrass in Utah, USA.

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Cite

BibTeXRIS
BibTeX
@article{zeng2026first,
  title = {{First report of Helicotylenchus microlobus, Mesocriconema nebraskense and Meloidogyne naasi from turfgrass in Utah, USA, based on comprehensive morphological, morphometric, and molecular data}},
  author = {Yongsan Zeng and Adam Van Dyke and Joseph A. Roberts},
  journal = {Journal of nematology},
  year = {2026},
  month = oct,
  doi = {10.2478/jofnem-2026-0033},
  url = {https://europepmc.org/article/PMC/PMC13721814},
  note = {CC BY-NC-ND},
}
RIS
TY  - JOUR
TI  - First report of Helicotylenchus microlobus, Mesocriconema nebraskense and Meloidogyne naasi from turfgrass in Utah, USA, based on comprehensive morphological, morphometric, and molecular data
AU  - Yongsan Zeng
AU  - Adam Van Dyke
AU  - Joseph A. Roberts
PY  - 2026
DA  - 2026/10/30
JO  - Journal of nematology
DO  - 10.2478/jofnem-2026-0033
UR  - https://europepmc.org/article/PMC/PMC13721814
AB  - The core soil samples collected from annual bluegrass at a golf course in Oakridge Country Club, Utah, USA were submitted for identification in July 2024. A high number of Helicotylenchus sp., Mesocriconema sp. females, and Meloidogyne sp. juveniles were recovered from the samples using the rapid centrifugal-flotation and mist chamber extraction methods. They were examined by morphological observation and morphometric measurements under light microscopy, and by analysis of sequences from multiple molecular markers, including the ribosomal DNA 18S, 28S, and ITS. Morphological characteristics and morphometrics, as well as BlastN comparisons with other population sequences of respective nematodes from GenBank, were consistent with identification as Helicotylenchus microlobus, Mesocriconema nebraskense, and Meloidogyne naasi. Phylogenetic trees inferred from rDNA18S, 28S, and ITS sequences all separated the Utah population into a strongly supported clade with other respective isolates of H. microlobus, Mesocriconema nebraskense, and Meloidogyne naasi. This study first comprehensively reports morphological and molecular characterization of H. microlobus, Mesocriconema nebraskense and Meloidogyne naasi from turfgrass in Utah, USA.
SN  - 0022-300X
SN  - 2640-396X
ER  -