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Maria, M.; Cai, R.; Subbotin, S. A.; Zheng, J. (2019). Description of Discocriconemella sinensis n. sp. (Nematoda: Criconematidae) from the rhizosphere of Camellia sinensis in China. Nematology. 21(8): 779-792.
387667
10.1163/15685411-00003252 [view]
Maria, M.; Cai, R.; Subbotin, S. A.; Zheng, J.
2019
Description of Discocriconemella sinensis n. sp. (Nematoda: Criconematidae) from the rhizosphere of Camellia sinensis in China
Nematology
21(8): 779-792
Publication
Available for editors  PDF available [request]
Discocriconemella sinensis n. sp. isolated in Hangzhou, Zhejiang, China, from the rhizosphere of Camellia sinenis is described. The new species was characterised morphologically and molecularly. Important morphological details were elucidated by SEM photographs. The new species is characterised by an uninterrupted rounded cephalic disc, en face showing a rectangular labial plate with slit-like oral apertures, labial plate surrounded by slightly elevated projections resembling rudimentary lobes, R = 66 (64-69), Rex = 21 (17-24), stylet 74 (67-81) μm long, excretory pore located at the base of the pharyngeal bulb, vulva open, tail short and conoid with a lobed terminus. The species belongs to the group 1 lip pattern. Morphologically, it is most similar to D. discolabia, D. mauritiensis, D. mineira and D. perseae. This is the first new Discocriconemella species described from China. Phylogenetic analyses based on analysis of the D2-D3 expansion segments of the 28S rRNA, ITS rRNA, partial 18S rRNA, and COI gene revealed that the new species formed a separate clade from other criconematid species, thereby supporting its status as a new species of the genus. The new species showed close relationships with Criconemoides informis.
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2020-09-29 18:49:40Z
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