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  • Journal Of Nematology

 

research-article

First report of the dagger nematode Xiphinema pachtaicum on onion in Morocco

Nematodes of the genus Xiphinema are ectoparasites that feed on extensive range of hosts. Some species of this genus are economically important pests of agricultural plants and others are vectors of Nepovirus. In April 2018, during a survey, specimens of dagger nematode (Xiphinema spp.) were collected from soil around the rhizosphere of onion (Allium cepa L.) with poor growth appearance and low yield from Ouled Dahou, Souss-Massa region of Morocco (Fig. 1). Nematodes were extracted from soil

Fouad Mokrini, Abdelfattah Dababat

Journal of Nematology , 1–2

research-article

Integrative taxonomy of Xiphinema histriae and Xiphinema lapidosum from Spain

The genus Xiphinema Cobb, 1913 is a large and morphologically diverse group of plant-parasitic nematodes comprising more than 275 species (Archidona-Yuste et al., 2016a, 2016b; Peraza-Padilla et al., 2018). The economic importance of this group of nematodes is not only because of its extensive range of host plants and worldwide distribution, but for the transmission of several important plant viruses (genus Nepovirus, family Comoviridae) that cause direct damage to a wide variety of crops

Ruihang Cai, Antonio Archidona-Yuste, Carolina Cantalapiedra-Navarrete, Juan E. Palomares-Rius, Jingwu Zheng, Pablo Castillo

Journal of Nematology , 1–21

Research Article

Xiphinema japonicum n. sp. (Nematoda: Longidorinae) from the Rhizosphere of Japanese Podocarpus macrophyllus (Thunb.), a Cryptic Species Related to Xiphinema bakeri Williams, 1961

Xiphinema japonicum n. sp., isolated in Ningbo, China, from the rhizosphere of Podocarpus macrophyllus (Thunb.) imported from Japan is described. The new species belongs to Xiphinema non-americanum group 7 and is characterized by medium body length (3.0–3.7 mm), total stylet length 190–201 μm, vulva located anteriorly (V = 30.5%–35.3%), two equally developed female genital branches without uterine differentiation (no Z or pseudo-Z organ and/or spines in the uteri), short tail, convex-conoid

LIRONG ZHAO, WEIMIN YE, MUNAWAR MARIA, MAJID PEDRAM, JIANFENG GU

Journal of Nematology , ISSUE 4, 404–417

research-article

First report of Xiphinema hunaniense Wang & Wu, 1992 (Nematoda: Longidoridae) in Vietnam

The genus Xiphinema Cobb, 1913, commonly known as dagger nematodes, are migratory ectoparasitic nematodes that damage numerous wild and cultivated plants through direct feeding on the root and transmission of plant viruses (Taylor and Brown, 1997; Perry and Moens, 2013). This genus is distributed worldwide and is divided in two groups, Xiphinema americanum group and non-Xiphinema americanum group, with more than 260 valid species (Gutiérrez-Gutiérrez et al., 2012). The conserved morphology and

Huu Tien Nguyen, Thi Duyen Nguyen, Thi Mai Linh Le, Quang Phap Trinh

Journal of Nematology , 1–4

research-article

Description of a new dagger nematode, Xiphinema barooghii n. sp. (Nematoda: Longidoridae) and additional data on the three known species of the genus from northwest of Iran

The genus Xiphinema, excluding the X. americanum group, comprises a complex of more than 220 species divided into eight morphospecies groups (Loof and Luc, 1990), based on the structural diversity of the female reproductive system, body habitus, lip region shape, total spear, body length and tail shape of female and juveniles using a polytomous key. Within the proposed groups, members of the group 6 (X. pyrenaicum species complex) are characterised by having two equally developed female genital

Nasir Vazifeh, Gholamreza Niknam, Habibeh Jabbari, Arezoo Naghavi

Journal of Nematology , 1–17

Article

Molecular and Morphological Characterization of Xiphinema chambersi Population from Live Oak in Jekyll Island, Georgia, with Comments on Morphometric Variations

A population of Xiphinema chambersi from the root zone around live oak (Quercus virginiana Mill.) trees on Jekyll Island, GA, is described using both morphological and molecular tools and compared with descriptions of type specimens. Initially, because of a few morphological differences, this nematode was thought to represent an undescribed species. However, on further examination, the morphometrics of the nematodes from live oak tend to agree with most of the morphometrics in the

ZAFAR A. HANDOO, LYNN K. CARTA, ANDREA M. SKANTAR, SERGEI A. SUBBOTIN, STEPHEN W. FRAEDRICH

Journal of Nematology , ISSUE 1, 20–27

Research Article

Description of Xiphinema parachambersi sp. n. (Nematoda: Longidoridae) from Imported Ornamental Plants in Japan with a Key to Xiphinema Species in Group 1

Xiphinema parachambersi n. sp. recovered in Ningbo, China, from the rhizosphere of ornamental plants (Gardenia jasminoides and Euonymus hamiltonianus) imported from Japan is described. The new species is characterized by a long female body 1,830 to 2,109 μm long, odontostyle 105 to 116 μm long, reproductive system mono-opisthodelphic, vulva located anteriorly at 25.2 to 27.7% of total body, long ovary 119 to 292 μm with simple uterus and Z-organ absent, female tail elongated conoid with a

Munawar Maria, Weimin Ye, Qing Yu, Jianfeng Gu

Journal of Nematology , ISSUE 3, 369–386

research-article

First Report of the Root-Knot Nematode, Meloidogyne floridensis Infecting Guardian® Peach Rootstock in South Carolina, USA

orchards: Pratylenchus vulnus (MN056433), Xiphinema americanum (MN072361, MN072362), Paratrichodorus porosus, (MN056434), Mesocriconema xenoplax (MN056431, MN056435), and Tylenchorhynchus sp. (MN056432).

Gregory L. Reighard, William G. Henderson, Sarah O. Scott, Sergei. A. Subbotin

journal of nematology , 1–6

research-article

Plant-parasitic nematodes associated with the root zone of hop cultivars planted in a Florida field soil

), there are relatively few reports on the plant-parasitic nematode species associated with this crop. The hop cyst nematode (Heterodera humuli Filipjev) is the most well studied nematode associated with hop worldwide (De Grisse and Gillard, 1963), and has been reported in United States hop production in Pierce County, Washington (Cobb, 1962). Other plant-parasitic nematodes associated with hop in the United States include Meloidogyne hapla Chitwood and Xiphinema americanum Cobb, which were found

Tristan T. Watson, Marco Suarez, Zhanao Deng, Johan A. Desaeger

Journal of Nematology , 1–10

Research Article

Short-term Impacts of Tillage and Fertilizer Treatments on Soil and Root Borne Nematodes and Maize Yield in a Fine Textured Cambisol

based on their feeding sites: (i) sedentary endoparasites (Meloidogyne and Rotylenchulus), (ii) migratory endoparasites (Pratylenchus), (iii) semi-endoparasites (Scutelonema and Helicotylenchus), (iv) ectoparasites (Xiphinema and Trichodorus), and (v) algal, lichen or moss feeders (Tylenchus). In both cropping seasons, semi-endoparasitic nematodes were double under rip line seeding and triple under basin planting compared to conventional tillage. Basin planting had higher plant-parasitic nematode

N. Mashavakure, A. B. Mashingaidze, R. Musundire, E. Gandiwa, V. K. Muposhi, C. Thierfelder, N. Nhamo, T. Bere, S. S. Akhtar

Journal of Nematology , ISSUE 3, 329–342

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