Discovery and Characterization of Four Aphelenchid Species from Cultivated Regions of Southern Alberta, Canada.

The nematode family Aphelenchoididiae is considered fungal-feeding, predatory, or root hair feeders. Some members of this family are universally present in agricultural landscapes and are an integral part of soil health and conservation studies. In the present soil nematode biodiversity survey, we detected four species of the genera , , and .

Morpho-Anatomy, In Vitro Culture, and Phylogenetic Studies of Two Species from Southern Alberta, Canada.

Spiral nematodes ( spp.) are polyphagous parasitic species exhibiting a broad host range and geographical distribution. However, their diversity in the cultivated regions of southern Alberta remains understudied.

New Records of Species from Southern Alberta, Canada.

The presence of plant-parasitic nematodes (PPNs) in cultivated areas is a limiting factor in achieving marketable crop yield. To control and alleviate the effects of these nematodes and determine appropriate management strategies, species-level identification is crucial. Therefore, we conducted a nematode diversity survey, which resulted in the detection of four species in cultivated areas of southern Alberta, Canada.

Morpho-Molecular and Ultrastructural Characterization of n. Sp. from Zhejiang Province, China.

During a recent inventory survey of the nematofauna of tea plantation at Zhejiang Province, China, n. sp. was detected in the rhizosphere of .

Morphological and molecular characterization of Geocenamus persici n. sp. (Nematoda: Merliniinae) from China.

A new stunt nematode species, Geocenamus persici n. sp. was recovered from the rhizosphere of peach (Prunus persica) in Zhejiang Province, China.

Overview of the Genus and First Reports of and from Southern Alberta, Canada.

The present study provides the morphological and molecular characterization of and populations, recovered from agricultural fields of southern Alberta. Despite a significant abundance of this group of nematodes, none of the species were previously reported in Canada. Therefore, representative adult specimens of each population were photographed and examined morphometrically.

Integrative taxonomy, distribution, and host associations of and from southern Alberta, Canada.

Two stunt nematode species, and , were recovered from the potato growing regions of southern Alberta, described and characterized based on integrative taxonomy. Morphometrics, distribution, and host associations of both species are discussed. The Canadian populations of both species displayed minor variations in morphometrical characteristics (viz.

A n. sp. (Tylenchina: Aphelenchoididae) found in sp. in China.

During a nematode biodiversity survey in Hainan Province, China, n. sp. was detected in the rhizosphere of sp.

Species Diversity of Pin Nematodes ( spp.) from Potato Growing Regions of Southern Alberta, Canada.

Pin nematodes ( spp.) are polyphagous parasitic species with a wide host range and geographical distribution; their diversity is unknown in the potato growing region of Alberta, Canada. The present study aims to provide morphological and molecular characterization of three pin nematode species, namely , , and a new species, sp.

Identification and Characterization of a Novel Protein Disulfide Isomerase Gene () from .

Protein disulfide isomerase (PDI) is a multifunctional enzyme that catalyzes rate-limiting reactions such as disulfide bond formation, isomerization, and reduction. There is some evidence that indicates that PDI is also involved in host-pathogen interactions in plants. In this study, we show that the rice root-knot nematode, , has evolved a secreted effector, MgPDI2, which is expressed in the subventral esophageal glands and up-regulated during the early parasitic stage of .

A new stunt nematode, n. sp. (Nematoda: Merliniinae) in the rhizosphere of tea () from Zhejiang Province, China.

The tea plant is native to China; the country has the greatest tea production areas in the world. In an attempt to investigate the nematode biodiversity associated with the tea plantations of Hangzhou, Zhejiang Province, a population of stunt nematode was detected. This group of nematodes is comprised of migratory ecto-parasites of roots and can subsist on a variety of host plants.

A new rare nematode n. sp. (Nematoda: Criconematidae) from Hangzhou, China.

The Family Criconematidae is commonly referred as ring nematodes that include some members with economic importance as plant parasites. During a recent nematode inventory survey at Zhejiang Province, China, a new species of genus was detected in the rhizosphere of elm tree. n.

Description of n. sp. (Tylenchomorpha: Aphelenchoididae) found in the medium soil imported from Italy.

n. sp. isolated from the medium soil imported from Italy is described and illustrated using morphological and molecular data.

Description of n. sp. (Nematoda: Aphelenchoididae) from declining Chinese pine, in Beijing, China.

n. sp. isolated from declining Chinese pine, Carrière, is described and characterized morphologically and molecularly.

Updated description of Raski 1975 and . Sharma, Sharma and Khan, 1986 by integrating molecular and ultra-structural observations.

Two populations of were detected in the rhizosphere of sp. and Chinese red pine from Taizhou and Hangzhou, Zhejiang Province, China. Previously, has been reported from China whereas was originally described from India decades ago in the rhizosphere of peach but was never reported thereafter.

Meloidogyne graminicola protein disulfide isomerase may be a nematode effector and is involved in protection against oxidative damage.

The rice root-knot nematode, Meloidogyne graminicola, is a serious pest in most rice-growing countries. Usually, nematodes employ antioxidants to counteract the harm of reactive oxygen species (ROS) and facilitate their infection. Here the gene encoding M.

Description of n. sp. (Nematoda: Ektaphelenchidae) with morphometrical notes on the species.

n. sp. is isolated from packaging wood from Korea in Ningbo customs.

Morphological and Molecular Characterization of Siddiqi, Hooper, and Khan, 1963 with a Description of the First-Stage Juvenile and Male of Siddiqi, 1962 from China.

Longidorids are economically important plant-parasitic nematodes because several species are virus vectors. Populations of Paralongidorus sali and Longidorus jonesi , isolated from woody perennials of Hangzhou, Zhejiang, China, were characterized molecularly and morphologically. The morphometric data of the Chinese populations of both species were compared with other populations.

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

Delatylus andersoni n. gen., n. sp. (Nematoda: Neotylenchidae) Isolated from White Pine (Pinus monticola) Lumber from USA and Intercepted in Ningbo, China.

Three populations of neotylenchid nematodes were isolated in Ningbo, P. R. China, from white pine lumber (Pinus monticola) imported from the USA.

Morphological and molecular characterization of Hemicycliophora subbotini n. sp. (Tylenchida: Hemicycliophoridae) from China.

Sheath nematodes of the genus Hemicycliophora are migratory root-ectoparasites of many crops, but the damage is documented for only a few species. Hemicycliophora subbotini n. sp.

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

n. sp., isolated in Ningbo, China, from the rhizosphere of (Thunb.

Description of n. sp. (Nematoda:Paratylenchinae) found from the rhizosphere of Bamboo in Zhejiang, China.

n. sp., isolated in Anji County, Zhejiang Province, China from the rhizospheric soil of bamboo.