<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>Discopersicus <italic>hexagrammatus</italic> n. sp., is described and illustrated from a population associated with the rhizosphere of carrot (<italic>Daucus carota</italic> L.) in Dezful, Khuzestan province, south-western Iran. Based on morphological and morphometric data, the new species is characterized by a 601-734 µm long body, a prominent perioral labial disc and oblique amphidial slits, 10-11 µm long stylet, vulva at 65-67% of body length, 15.5-17 µm long spicules, and an elongate conoid tail with a pointed terminus. It is the second species of the genus Discopersicus and differs from its counterpart D. iranicus, by its anterior position of vulva, shorter stylet, lower M.B. ratio, different shape of tail tip, and shorter spicules in male specimens. A molecular phylogenetic analysis using the D2-D3 expansion segments of 28S rDNA sequences, placed the new species in close relationship with five sequences of the genus <italic>Boleodorus</italic>.</p>
</abstract>

Discopersicus hexagrammatus n. sp., is described and illustrated from a population associated with the rhizosphere of carrot (Daucus carota L.) in Dezful, Khuzestan province, south-western Iran. Based on morphological and morphometric data, the new species is characterized by a 601-734 µm long body, a prominent perioral labial disc and oblique amphidial slits, 10-11 µm long stylet, vulva at 65-67% of body length, 15.5-17 µm long spicules, and an elongate conoid tail with a pointed terminus. It is the second species of the genus Discopersicus and differs from its counterpart D. iranicus, by its anterior position of vulva, shorter stylet, lower M.B. ratio, different shape of tail tip, and shorter spicules in male specimens. A molecular phylogenetic analysis using the D2-D3 expansion segments of 28S rDNA sequences, placed the new species in close relationship with five sequences of the genus Boleodorus.

<article-title xml:lang="en">
<italic>Discopersicus hexagrammatus</italic> n. sp. (Rhabditida: Tylenchidae), the second species of the genus

Journal of Nematology

This work is licensed under the Creative Commons Attribution 4.0 International License.


 n. sp. (Rhabditida: Tylenchidae), the second species of the genus

Discopersicus hexagrammatus n. sp., is described and illustrated from a population associated with the rhizosphere of carrot (Daucus carota L.) in Dezful,...

Discopersicus hexagrammatus n. sp. (Rhabditida: Tylenchidae), the second species of the genus

Pubblicato online: 26 ott 2021

Pagine: 1 - 10

DOI: https://doi.org/10.21307/jofnem-2021-059

Parole chiave
28S rDNA, Bayesian inference, Boleodorinae, New species, Taxonomy, Tylenchidae

© 2021 Manouchehr Hosseinvand et al., published by Sciendo.

This work is licensed under the Creative Commons Attribution 4.0 International License.

Discopersicus hexagrammatus n. sp. (Rhabditida: Tylenchidae), the second species of the genus

Pubblicato online: 26 ott 2021

Pagine: 1 - 10

DOI: https://doi.org/10.21307/jofnem-2021-059

Parole chiave28S rDNA, Bayesian inference, Boleodorinae, New species, Taxonomy, Tylenchidae

© 2021 Manouchehr Hosseinvand et al., published by Sciendo.

This work is licensed under the Creative Commons Attribution 4.0 International License.

Parole chiave
28S rDNA, Bayesian inference, Boleodorinae, New species, Taxonomy, Tylenchidae