A new cyst nematode, Cactodera torreyanae sp. n. (Tylenchida: Heteroderidae), parasitising romerito, Suaeda torreyana , in Texcoco, Mexico

A new cyst nematode, Cactodera torreyanae sp. n. (Tylenchida: Heteroderidae), parasitising... A new species of cyst nematode, Cactodera torreyanae sp. n., parasitising romerito plants, Suaeda torreyana (Chenopodiaceae), found in highly saline soils in Texcoco, Mexico, is described. The new species is morphologically and molecularly related to C. weissi , from which it differs in smaller fenestral diam., longer body and shorter tail lengths of second-stage juveniles (J2) and to C. rosae , from which it differs in smaller cyst size, longer body length of J2 and the presence of a smooth eggshell surface. Phylogenetic relationships within populations and species of the Punctoderinae and Cactodera are given based on the analysis of the D2-D3 expansion segments of 28S rRNA and the ITS rRNA gene sequences. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Nematology Brill

A new cyst nematode, Cactodera torreyanae sp. n. (Tylenchida: Heteroderidae), parasitising romerito, Suaeda torreyana , in Texcoco, Mexico

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Publisher
Brill
Copyright
© Koninklijke Brill NV, Leiden, The Netherlands
Subject
Articles
ISSN
1388-5545
eISSN
1568-5411
D.O.I.
10.1163/15685411-00002754
Publisher site
See Article on Publisher Site

Abstract

A new species of cyst nematode, Cactodera torreyanae sp. n., parasitising romerito plants, Suaeda torreyana (Chenopodiaceae), found in highly saline soils in Texcoco, Mexico, is described. The new species is morphologically and molecularly related to C. weissi , from which it differs in smaller fenestral diam., longer body and shorter tail lengths of second-stage juveniles (J2) and to C. rosae , from which it differs in smaller cyst size, longer body length of J2 and the presence of a smooth eggshell surface. Phylogenetic relationships within populations and species of the Punctoderinae and Cactodera are given based on the analysis of the D2-D3 expansion segments of 28S rRNA and the ITS rRNA gene sequences.

Journal

NematologyBrill

Published: Jan 1, 2014

Keywords: Betulodera ; Cactodera galinsogae ; Cactodera rosae ; Cactodera weissi ; key; molecular; morphology; morphometrics; phylogeny; plant-parasitic nematode; Punctoderinae; taxonomy

References

  • MrBAYES: Bayesian inference of phylogenetic trees
    Huelsenbeck J.P. Ronquist F.

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