Revision of the Hoplolaiminae (Nematoda) Ii. Hoplolaimus Daday, 1905 and Aorolaimus N. Gen

Шер, С. А.

doi:10.1163/187529263x00476

Cited by 36 publications

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“…Lance nematodes ( Hoplolaimus spp.) are relatively long and robust vermiform nematodes with a distinct cephalic region and massive well‐developed stylets (Sher ; Fortuner ) that feed on the roots of a diversity of monocotyledonous and dicotyledonous plants. Hoplolaimus species reported in the southeastern United States include H. columbus Sher, ; H. galeatus (Cobb, 1913) Thorne, 1935, H. magnistylus Robbins, ; H. stephanus Sher, ; H. seinhorsti Luc, 1958, and H. tylenchiformis von Daday, 1905 (Lewis and Fassuliotis, ).…”

Section: Introductionmentioning

confidence: 99%

“…are relatively long and robust vermiform nematodes with a distinct cephalic region and massive well‐developed stylets (Sher ; Fortuner ) that feed on the roots of a diversity of monocotyledonous and dicotyledonous plants. Hoplolaimus species reported in the southeastern United States include H. columbus Sher, ; H. galeatus (Cobb, 1913) Thorne, 1935, H. magnistylus Robbins, ; H. stephanus Sher, ; H. seinhorsti Luc, 1958, and H. tylenchiformis von Daday, 1905 (Lewis and Fassuliotis, ). Hoplolaimus columbus , H. galeatus , and H. magnistylus are considered to be economically important and can cause serious damage to agronomic crops, including cotton ( Gossypium hirsutum L.), corn ( Zea mays L.) and soybean ( Glycine max L.) (Fassuliotis, ; Nyczepir and Lewis, ; Robbins et al., , ; Henn and Dunn, ; Noe, ).…”

Section: Introductionmentioning

confidence: 99%

“…Hoplolaimus stephanus can be distinguished from H . galeatus by the 24–28 longitudinal striations on the basal annule of the lip region compared to 32–36 in H. galeatus , shorter spicules, less areolation of the lateral field, and shorter body length (Sher ) (Table , Fig. ).…”

Section: Introductionmentioning

confidence: 99%

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High genetic diversity and geographic subdivision of three lance nematode species (Hoplolaimus spp.) in the United States

Holguín

Baeza

Mueller

et al. 2015

Ecology and Evolution

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Lance nematodes (Hoplolaimus spp.) feed on the roots of a wide range of plants, some of which are agronomic crops. Morphometric values of amphimictic lance nematode species overlap considerably, and useful morphological characters for their discrimination require high magnification and significant diagnostic time. Given their morphological similarity, these Hoplolaimus species provide an interesting model to investigate hidden diversity in crop agroecosystems. In this scenario, H. galeatus may have been over-reported and the related species that are morphologically similar could be more widespread in the United States that has been recognized thus far. The main objectives of this study were to delimit Hoplolaimus galeatus and morphologically similar species using morphology, phylogeny, and a barcoding approach, and to estimate the genetic diversity and population structure of the species found. Molecular analyses were performed using sequences of the cytochrome c oxidase subunit 1 (Cox1) and the internal transcribed spacer (ITS1) on 23 populations. Four morphospecies were identified: H. galeatus, H. magnistylus, H. concaudajuvencus, and H. stephanus, along with a currently undescribed species. Pronounced genetic structure correlated with geographic origin was found for all species, except for H. galeatus. Hoplolaimus galeatus also exhibited low genetic diversity and the shortest genetic distances among populations. In contrast, H. stephanus, the species with the fewest reports from agricultural soils, was the most common and diverse species found. Results of this project may lead to better delimitation of lance nematode species in the United States by contributing to the understanding the diversity within this group.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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High genetic diversity and geographic subdivision of three lance nematode species (Hoplolaimus spp.) in the United States

Holguín

Baeza

Mueller

et al. 2015

Ecology and Evolution

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“…Also adding to the parasitic load were Aphelenchoides spp., Helicotylenchus spp., and Tylenchorhynchus spp., which were found in large number of samples of rice and soybean examined. However, present findings are in confirmation of the results of previous surveys carried out by many researchers that worked on similar objectives viz., Khan and Shaukat (1999), Ahmad and Nadeem (1983), Sher (1963), Robbins et al (1982).…”

Section: Discussionmentioning

confidence: 99%

Community Analysis of Plant Parasitic and Free Living Nematodes Associated With Rice and Soybean Plantation From Pakistan

Musarrat¹,

Shahina²,

Shah³

et al. 2016

Appl Ecol Env Res

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Abstract. Variety of nematode community indices have been proposed for purposes of environmental monitoring. During three phases of surveys , thirty nine nematode genera other than root-knot nematodes were found associated with rice crop plants while 33 from soybean in the surveyed areas of rice and soybean. Nematodes were placed into five different groups (Yeates et al., 1993) viz., herbivores, fungivores, bacteriovores, omnivores and predators. In the present study highly abundant group is herbivores, followed by bacteriovores, fungivores, predators, and omnivores were encountered from rice and soybean fields. The occurrence percentage was observed in per 500 g soil for each nematode genus. All species of nematodes associated with soybean are first records of nematodes associated with soybean from Pakistan. Nematode communities were analyzed by mean abundance, prominence value, importance value and cluster analysis based on nematode numbers and presence or absence of nematode, respectively. Community relationship revealed the overall dominance of herbivores (Hirschmanniella and Helicotylenchus) and fungivores (Aphelenchoides) in rice and Tylenchorhynchus (herbivores), Aphelenchoides (fungivores), Panagrolaimus and Acrobelus (becteriovores) from soybean in all terms of community analysis. While the UPGMA cluster analysis showed that Multan and Dir localities exhibit close similarity coefficient in soybean and in rice Thatta and Sawat showed more similar coefficient or the nematode incidence

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“…Daday established this genus on a single female of H. tylenchiformis recovered from a mud hole on Banco Island, Paraguay in 1905 (Sher 1963, Krall 1990). Hoplolaimus species are distributed worldwide and cause damage on numerous agricultural crops (Luc et al 1990 Robbins et al 1998).…”

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confidence: 99%

Description of Hoplolaimus bachlongviensis sp. n. (Nematoda: Hoplolaimidae) from banana soil in Vietnam

Nguyen¹,

Bui²,

Trinh³

2015

BDJ

562

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BackgroundThe genus Hoplolaimus Daday, 1905 belongs to the subfamily Hoplolaimine Filipiev, 1934 of family Hoplolaimidae Filipiev, 1934 (Krall 1990). Daday established this genus on a single female of H. tylenchiformis recovered from a mud hole on Banco Island, Paraguay in 1905 (Sher 1963, Krall 1990). Hoplolaimus species are distributed worldwide and cause damage on numerous agricultural crops (Luc et al. 1990 Robbins et al. 1998). In 1992, Handoo and Golden reviewed 29 valid species of genus Hoplolaimus Dayday, 1905 (Handoo and Golden 1992). Siddiqi (2000) recognised three subgenera in Hoplolaimus: Hoplolaimus (Hoplolaimus) with ten species, is characterized by lateral field distinct, with four incisures, excretory pore behind hemizonid; Hoplolaimus (Basirolaimus) with 18 species, is characterized by lateral field with one to three incisures, obliterated, excretory pore anterior to hemizonid, dorsal oesophageal gland quadrinucleate; and Hoplolaimus (Ethiolaimus) with four species is characterized by lateral field with one to three incisures, obliterated; excretory pore anterior to hemizonid, dorsal oesophageal gland uninucleate (Siddiqi 2000). Since then, Hoplolaimus puriensis Ali, Shaheen & Pervez, 2009 has been described (Ali et al. 2009). Up to now, there have been two species of genus Hoplolaimus reported in Vietnam, viz H. seinhorsti and H. chambus (Nguyen and Nguyen 2000).New informationHoplolaimus bachlongviensis sp. n. was isolated from banana soil in Bach Long Vi Island, Vietnam. The female of this species is described and illustrated below. Some diagnostic characters of this species include body slightly curved ventrally, offset lip region exhibiting three to four annules, lateral field reduced, pharyngeal glands with six nuclei, excretory pore anterior to hemizonid, epiptygma absent, intestine not overlapping rectum and male was not found.

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Revision of the Hoplolaiminae (Nematoda) Ii. Hoplolaimus Daday, 1905 and Aorolaimus N. Gen

Cited by 36 publications

References 0 publications

High genetic diversity and geographic subdivision of three lance nematode species (Hoplolaimus spp.) in the United States

High genetic diversity and geographic subdivision of three lance nematode species (Hoplolaimus spp.) in the United States

Community Analysis of Plant Parasitic and Free Living Nematodes Associated With Rice and Soybean Plantation From Pakistan

Description of Hoplolaimus bachlongviensis sp. n. (Nematoda: Hoplolaimidae) from banana soil in Vietnam

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