Morpho-Molecular and Ultrastructural Characterization of <i>Discocriconemella parasinensis</i> n. sp. from Zhejiang Province, China-Reference-Cited by-同舟云学术

Morpho-Molecular and Ultrastructural Characterization of Discocriconemella parasinensis n. sp. from Zhejiang Province, China

Published:2022-02-01 Issue:1 Volume:54 Page:
ISSN:2640-396X
Container-title:Journal of Nematology
language:en
Short-container-title:

Author:

Li Junxia¹,Munawar Maria²,Castillo Pablo³,Zheng Jingwu¹⁴

Affiliation:

1. Laboratory of Plant Nematology, Institute of Biotechnology, Department of Plant Protection, College of Agriculture and Biotechnology , Zhejiang University , Hangzhou , Zhejiang , P.R. China

2. Department of Biological Sciences , University of Lethbridge , 4401 University Drive West , Lethbridge , Alberta , Canada

3. Department of Crop Protection, Institute for Sustainable Agriculture (IAS), Spanish National Research Council (CSIC), Campus de Excelencia Internacional Agrolimentario , ceiA3, Avenida Menendez Pidal s/n , Cordoba , Spain

4. Ministry of Agriculture Key Lab of Molecular Biology of Crop Pathogens and Insects, Department of Plant protection , Hangzhou , Zhejiang , P.R. China

Abstract

Abstract During a recent inventory survey of the nematofauna of tea plantation at Zhejiang Province, China, Discocriconemella parasinensis n. sp. was detected in the rhizosphere of Camellia sinensis. The new species can be characterized by having the uninterrupted rounded labial disc, en face view showing rectangular-rounded labial plate without submedian lobes, R = 82.6 (80–86), Rex = 22 (21–23), stylet length of 68.3 (59–76) μm, excretory pore located 1–2 annuli posterior to the esophageal bulb, vulva open, postvulval body elongated conoid, and tail conoid with bilobed terminus. Morphologically, the species shares the same lip-type with D. discolabia, D. mauritiensis, D. mineira, D. perseae, and D. sinensis. Phylogenetic relationships of the new species based on D2–D3 expansion segments of 28S, ITS, and 18S rRNA genes revealed that D. parasinensis n. sp. formed a separated clade from other criconematid species, thereby supporting its status as a new species of the genus. The new species showed close phylogenetic relationships with Criconemoides geraerti.

Publisher

Walter de Gruyter GmbH

Link

https://www.sciendo.com/pdf/10.2478/jofnem-2022-0011

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