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Article

Morphometric and Molecular Diversity among Seven European Isolates of Pratylenchus penetrans

1
Department of Entomology and Nematology, University of Florida, Gainesville, FL 32611, USA
2
Justus Liebig University, Schubertstraße 81, 35392 Gießen, Germany
3
Julius Kühn-Institut, Federal Research Centre for Cultivated Plants, Institute for Epidemiology and Pathogen Diagnostics, Toppheideweg 88, 48161 Münster, Germany
*
Author to whom correspondence should be addressed.
These authors contributed equally to this work.
Academic Editors: Zafar Handoo and Mihail Kantor
Plants 2021, 10(4), 674; https://doi.org/10.3390/plants10040674
Received: 31 January 2021 / Revised: 25 March 2021 / Accepted: 25 March 2021 / Published: 31 March 2021
Pratylenchus penetrans is an economically important root-lesion nematode species that affects agronomic and ornamental plants. Understanding its diversity is of paramount importance to develop effective control and management strategies. This study aimed to characterize the morphological and genetic diversity among seven European isolates. An isolate from the USA was included in the molecular analyses for comparative purposes. Morphometrics of the European P. penetrans isolates generally were within the range of the original descriptions for this species. However, multiple morphometric characteristics, including body length, maximum body width, tail length and length of the post-vulval uterine sac showed discrepancies when compared to other populations. Nucleotide sequence-based analyses revealed a high level of intraspecific diversity among the isolates. We observed no correlation between D2-D3 rDNA- and COXI-based phylogenetic similarities and geographic origin. Our phylogenetic analyses including selected GenBank sequences also suggest that the controversy surrounding the distinction between P. penetrans and P. fallax remains. View Full-Text
Keywords: Pratylenchus penetrans; Pratylenchus fallax; root-lesion nematode; genetic diversity; morphometrics; COXI; D2-D3 rDNA; PP5; β-1,4-endoglucanase Pratylenchus penetrans; Pratylenchus fallax; root-lesion nematode; genetic diversity; morphometrics; COXI; D2-D3 rDNA; PP5; β-1,4-endoglucanase
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MDPI and ACS Style

Bogale, M.; Tadesse, B.; Nuaima, R.H.; Honermeier, B.; Hallmann, J.; DiGennaro, P. Morphometric and Molecular Diversity among Seven European Isolates of Pratylenchus penetrans. Plants 2021, 10, 674. https://doi.org/10.3390/plants10040674

AMA Style

Bogale M, Tadesse B, Nuaima RH, Honermeier B, Hallmann J, DiGennaro P. Morphometric and Molecular Diversity among Seven European Isolates of Pratylenchus penetrans. Plants. 2021; 10(4):674. https://doi.org/10.3390/plants10040674

Chicago/Turabian Style

Bogale, Mesfin, Betre Tadesse, Rasha H. Nuaima, Bernd Honermeier, Johannes Hallmann, and Peter DiGennaro. 2021. "Morphometric and Molecular Diversity among Seven European Isolates of Pratylenchus penetrans" Plants 10, no. 4: 674. https://doi.org/10.3390/plants10040674

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