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Aphelenchoides medicagus n. sp. (Tylenchina : Aphelenchoididae) found in Medicago sativa imported into China from the USA

Zheng Wang (UGent) , Wim Bert (UGent) , Jianfeng Gu, Marjolein Couvreur (UGent) and Hongmei Li
(2019) NEMATOLOGY. 21(7). p.709-723
Author
Organization
Abstract
Aphelenchoides medicagus n. sp. isolated in Ningbo Port, P.R. China, from dried leaves and shoots of Medicago sativa imported from the USA, is described. It is characterised by a lateral field with four lines (three bands), stylet 9.0-12.0 mu m long, excretory pore situated at same level as, or slightly posterior, to the nerve ring, vagina sclerotised, female vulval flap absent, post-uterine sac short, spicules 9.2-14.2 mu m long (median curved line), rosethorn-shaped, apex and rostrum rounded, poorly developed, female and male tail conical with terminus bearing star-like processes. The new species belongs to the Group 3 category of Aphelenchoides species sensu Shahina. Phylogenetic analyses based on 18S, ITS and 28S D2-D3 of rDNA and mtCOI sequences confirmed its status as a new species and closely related to A. besseyi and A. fujianensis.
Keywords
Agronomy and Crop Science, Ecology, Evolution, Behavior and Systematics, alfalfa, description, lucerne, molecular, morphology, morphometrics, new species, phylogeny, plant-parasitic nematode, quarantine, SEM, taxonomy, SP NEMATODA APHELENCHOIDIDAE, PLANT-PARASITIC NEMATODES, PHYLOGENETIC-RELATIONSHIPS, MORPHOLOGICAL CHARACTERIZATION, SEQUENCE ALIGNMENT, SPECIES NEMATODA, PACKAGING WOOD, ALFALFA

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MLA
Wang, Zheng, et al. “Aphelenchoides Medicagus n. Sp. (Tylenchina : Aphelenchoididae) Found in Medicago Sativa Imported into China from the USA.” NEMATOLOGY, vol. 21, no. 7, 2019, pp. 709–23, doi:10.1163/15685411-00003247.
APA
Wang, Z., Bert, W., Gu, J., Couvreur, M., & Li, H. (2019). Aphelenchoides medicagus n. sp. (Tylenchina : Aphelenchoididae) found in Medicago sativa imported into China from the USA. NEMATOLOGY, 21(7), 709–723. https://doi.org/10.1163/15685411-00003247
Chicago author-date
Wang, Zheng, Wim Bert, Jianfeng Gu, Marjolein Couvreur, and Hongmei Li. 2019. “Aphelenchoides Medicagus n. Sp. (Tylenchina : Aphelenchoididae) Found in Medicago Sativa Imported into China from the USA.” NEMATOLOGY 21 (7): 709–23. https://doi.org/10.1163/15685411-00003247.
Chicago author-date (all authors)
Wang, Zheng, Wim Bert, Jianfeng Gu, Marjolein Couvreur, and Hongmei Li. 2019. “Aphelenchoides Medicagus n. Sp. (Tylenchina : Aphelenchoididae) Found in Medicago Sativa Imported into China from the USA.” NEMATOLOGY 21 (7): 709–723. doi:10.1163/15685411-00003247.
Vancouver
1.
Wang Z, Bert W, Gu J, Couvreur M, Li H. Aphelenchoides medicagus n. sp. (Tylenchina : Aphelenchoididae) found in Medicago sativa imported into China from the USA. NEMATOLOGY. 2019;21(7):709–23.
IEEE
[1]
Z. Wang, W. Bert, J. Gu, M. Couvreur, and H. Li, “Aphelenchoides medicagus n. sp. (Tylenchina : Aphelenchoididae) found in Medicago sativa imported into China from the USA,” NEMATOLOGY, vol. 21, no. 7, pp. 709–723, 2019.
@article{8644445,
  abstract     = {{Aphelenchoides medicagus n. sp. isolated in Ningbo Port, P.R. China, from dried leaves and shoots of Medicago sativa imported from the USA, is described. It is characterised by a lateral field with four lines (three bands), stylet 9.0-12.0 mu m long, excretory pore situated at same level as, or slightly posterior, to the nerve ring, vagina sclerotised, female vulval flap absent, post-uterine sac short, spicules 9.2-14.2 mu m long (median curved line), rosethorn-shaped, apex and rostrum rounded, poorly developed, female and male tail conical with terminus bearing star-like processes. The new species belongs to the Group 3 category of Aphelenchoides species sensu Shahina. Phylogenetic analyses based on 18S, ITS and 28S D2-D3 of rDNA and mtCOI sequences confirmed its status as a new species and closely related to A. besseyi and A. fujianensis.}},
  author       = {{Wang, Zheng and Bert, Wim and Gu, Jianfeng and Couvreur, Marjolein and Li, Hongmei}},
  issn         = {{1388-5545}},
  journal      = {{NEMATOLOGY}},
  keywords     = {{Agronomy and Crop Science,Ecology,Evolution,Behavior and Systematics,alfalfa,description,lucerne,molecular,morphology,morphometrics,new species,phylogeny,plant-parasitic nematode,quarantine,SEM,taxonomy,SP NEMATODA APHELENCHOIDIDAE,PLANT-PARASITIC NEMATODES,PHYLOGENETIC-RELATIONSHIPS,MORPHOLOGICAL CHARACTERIZATION,SEQUENCE ALIGNMENT,SPECIES NEMATODA,PACKAGING WOOD,ALFALFA}},
  language     = {{eng}},
  number       = {{7}},
  pages        = {{709--723}},
  title        = {{Aphelenchoides medicagus n. sp. (Tylenchina : Aphelenchoididae) found in Medicago sativa imported into China from the USA}},
  url          = {{http://dx.doi.org/10.1163/15685411-00003247}},
  volume       = {{21}},
  year         = {{2019}},
}

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