Diversity of Xiphinema americanum-group Species and Hierarchical Cluster Analysis of Morphometrics
Of the 39 species composing the Xiphinema americanum group, 14 were described originally from North America and two others have been reported from this region. Many species are very similar morphologically and can be distinguished only by a difficult comparison of various combinations of some morpho...
| Veröffentlicht in: | Journal of nematology. - 1969. - 25(1993), 3 vom: 10. Sept., Seite 332-43 |
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| Format: | Aufsatz |
| Sprache: | English |
| Veröffentlicht: |
1993
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| Zugriff auf das übergeordnete Werk: | Journal of nematology |
| Schlagworte: | Journal Article Xiphinema hierarchical cluster analysis morphometrics principal component analysis systematics taxonomy |
| Zusammenfassung: | Of the 39 species composing the Xiphinema americanum group, 14 were described originally from North America and two others have been reported from this region. Many species are very similar morphologically and can be distinguished only by a difficult comparison of various combinations of some morphometric characters. Study of morphometrics of 49 populations, including the type populations of the 39 species attributed to this group, by principal component analysis and hierarchical cluster analysis placed the populations into five subgroups, proposed here as the X. brevicolle subgroup (seven species), the X. americanum subgroup (17 species), the X. taylori subgroup (two species), the X. pachtaicum subgroup (eight species), and the X. lambertii subgroup (five species) |
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| Beschreibung: | Date Completed 14.07.2011 Date Revised 20.10.2021 published: Print Citation Status PubMed-not-MEDLINE |
| ISSN: | 0022-300X |