Xiphinema index Thorne and Allen 1950
Authors/Creators
Description
Xiphinema index Thorne and Allen (1950)
(Fig. 6 A–E; Tables 3, 4)
Distribution
Iran, East-Azarbaijan province, Sufiyan, Roodghat area (GPS coordinates: N 38 o 19′ 59′′ E 46 o 07′ 00′′, altitude 1582 m a.s.l.), in the rhizosphere of apple (Malus domestica L.) variety Red delicious.
Remarks
Xiphinema index is a soil dweller, its major economic host is grapevine and acts as vector of Grapevine Fanleaf Virus (GFLV), very well known, worldwide spread species, recorded from many countries of Africa, America, Australia, Asia and Europe. In Iran, this species was first observed by Mojtahedi et al. (1980) in cultivated soils and in natural woodland as well and then reported from different parts of Iran. Comparison of our population sequence with the GenBank database showed that Iranian X. index (MH 879782) has 99% identity with other populations of the species. Phylogenetic analysis placed our population with other populations of X. index in a clade with 0.87 PP values. Males were not found but a few females contain sperm cells in their ovejector and pars dilatata oviductus. This Iranian population of females of X. index is within the morphometrical ranges recorded for the species (for comparative purposes, see Thorne and Allen, 1950; Mojtahedi et al., 1980; Lamberti et al., 1987; Barsi and Lamberti, 2000a; Jawhar et al., 2006; Gutiérrez-Gutiérrez et al., 2011; Meza et al., 2012).
Notes
Files
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Linked records
Additional details
Identifiers
Biodiversity
- Scientific name authorship
- Thorne and Allen
- Kingdom
- Animalia
- Phylum
- Nematoda
- Order
- Dorylaimida
- Family
- Longidoridae
- Genus
- Xiphinema
- Species
- index
- Taxon rank
- species
- Taxonomic concept label
- Xiphinema index and, 1950 sec. Vazifeh, Niknam, Jabbari & Naghavi, 2019
References
- Thorne, G. and Allen, W. 1950. Paratylenchus hamatus n. sp. and Xiphinema index n. sp., two nematodes associated with fig roots, with a note on Paratylenchus anceps Cobb. Helminthological Society of Washington 17: 27 - 35.
- Mojtahedi, H., Sturhan, D., Akhiani, A. and Barooti, S. 1980. Xiphinema species in Iranian vineyards. Nematologia Mediterranea 8: 170 - 95.
- Lamberti, F., Jatala, P. and Agostinelli, A. 1987. A report of some Xiphinema species occurring in Peru (Nematoda, Dorylaimida). Nematologia Mediterranea 15: 103 - 9.
- Barsi, L. and Lamberti, F. 2000 a. Morphometric variation and juvenile stages of Xiphinema diversicaudatum (Micoletzky, 1927) Thorne, 1939 and X. index Thorne and Allen, 1950 (Nematoda: Dorylaimida) from the former territory of Yugoslavia. Nematologia Mediterranea 28: 171 - 87.
- Jawhar, J., Volvas, N. and Digiaro, M. 2006. Occurrence of Xiphinema index in Lebanese vineyards. Journal of Plant Pathology 88 No. 1: 117 - 9.
- Gutierrez-Gutierrez, C., Palomares, J., Cantalapiedra, C., Landa, B. and Castillo, P. 2011. Prevalence, polyphasic identification, and molecular phylogeny of dagger and needle nematodes infesting vineyards in southern Spain. European Journal of Plant Pathology 129: 427 - 53.
- Meza, P., Aballay, E. and Hinrichsen, P. 2012. Morphological and molecular characterisation of Xiphinema index Thorne and Allen, 1950 (Nematoda: Longidoridae) isolates from Chile. Nematropica 42: 41 - 7.