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  • Journal Of Nematology


research-article | 30-November-2018

First report of Mesocriconema sphaerocephalum (Taylor, 1936) Loof, 1989 associated with carrot (Daucus carota subsp. Stativus) in Vietnam

, 1989 on carrot in Hanoi city and Hai Duong province in Vietnam. Mesocriconema sphaerocephalum was found on 10% of 130 soil samples. Density of this nematode was up to 45 individuals/250 g soil. To our knowledge, this is the first report of M. sphaerocephalum on carrot. Materials and methods Nematodes were extracted from soil samples using modified Baermann tray method (Whitehead and Hemming, 1965). For morphological characterizations, permanent slides of nematodes were observed through the Carl

Thi Duyen Nguyen, Huu Tien Nguyen, Thi Mai Linh Le, Thi Tuyet Thu Tran, Neriza Nobleza, Quang Phap Trinh

Journal of Nematology, Volume 51 , 1–4

Research Article | 03-September-2018

First Report of Carrot Cyst Nematode Heterodera carotae in Mexico: Morphological, Molecular Characterization, and Host Range Study

During 2008 to 2016 in several nematological surveys in the Tepeaca Valley, Puebla, Mexico, carrot cyst nematode, Heterodera carotae was found parasitizing carrots, Daucus carota. The nematode was present in 61% of the sampled fields with high population densities, causing severe carrot yield losses in the Tepeaca Valley. The aim of this work was to study morphology, morphometrics, host range, and molecular characterization of the nematode. The morphological and morphometric characterization

Ilia Mariana Escobar-Avila, Edgar Óliver López-Villegas, Sergei A. Subbotin, Alejandro Tovar-Soto

Journal of Nematology, Volume 50 , ISSUE 2, 229–242

Article | 21-July-2017

Effects of Cover Crops on Pratylenchus penetrans and the Nematode Community in Carrot Production

Cover cropping is a common practice in U.S. Midwest carrot production for soil conservation, and may affect soil ecology and plant-parasitic nematodes—to which carrots are very susceptible. This study assessed the impact of cover crops—oats (Avena sativa), radish (Raphanus sativus) cv. Defender, rape (Brassica napus) cv. Dwarf Essex, and a mixture of oats and radish—on plantparasitic nematodes and soil ecology based on the nematode community in Michigan carrot


Journal of Nematology, Volume 49 , ISSUE 1, 114–123

research-article | 13-October-2021

Organic or conventional production system and nutrient rate affect the nematode community in carrot production

Carrot (Daucus carota spp. sativus) production is an important industry in the United States, planted to 28,207 ha with a total crop value of $716 million (USD) in 2020 (NASS-USDA, 2021). Carrot production in Florida and the Southeast is a relatively small portion of that industry – undisclosed in production reports to protect privacy of individual growers (NASS-USDA, 2021). However, carrot production in the Southeast is growing, in part because it is strategically located near eastern US

Zane J. Grabau, Danielle D. Treadwell, Jose J. Perez Orozco, David N. Campbell, Robert C. Hochmuth

Journal of Nematology, Volume 53 , 1–18

Article | 04-December-2017

Morphological and Molecular Characteristics of Pratylenchus haiduongensis sp. n., a New Species of Root–Lesion Nematodes Associated with Carrot in Vietnam

Abstract: Pratylenchus haiduongensis sp. n. is described as associated with carrot (Daucus carota subsp. sativus (Hoffm.) Sch€ubl. & G. Martens) in Hai Duong Province, Vietnam. P. haiduongensis sp. n. is characterized by the lip region with three annuli and slightly separated from the body. Stylet knobs are rounded (never indented anteriorly). The lateral field includes four incisures, bearing areolation at the pharynx region and tail region and occasionally appears in the vulval


Journal of Nematology, Volume 49 , ISSUE 3, 276–285

research-article | 21-October-2020

Effects of integrated application of plant-based compost and urea on soil food web, soil properties, and yield and quality of a processing carrot cultivar

mixed application of different levels of plant leaf-based compost (PC) and urea on nematode community structure, soil food web condition, soil biological and physiochemical properties, and yield and quality of a processing carrot cultivar ‘Cupar’ in a sandy loam soil. The central hypothesis is that lower rates of urea mixed with higher rates of PC would improve nematode community structure, soil food web condition, soil biological and physiochemical properties, and increase carrot yield and quality

A. Habteweld, D. Brainard, A. Kravchencko, P. S. Grewal, H. Melakeberhan

Journal of Nematology, Volume 52 , 1–17

research-article | 30-November-2020

Discopersicus hexagrammatus n. sp. (Rhabditida: Tylenchidae), the second species of the genus

) restudied this species and proposed the new genus Discopersicus, with D. iranicus (Yaghoubi et al., 2016) as its type species. In this study, we describe the second species of the genus based on morphological and molecular characters. Materials and methods Nematode sampling, extracting, mounting and morphological characterization Soil samples were collected from the rhizosphere of carrot (Daucus carota L.) in Dezful, Khuzestan province, southwestern Iran. Nematodes were extracted using the tray method

Manouchehr Hosseinvand, Ali Eskandari, Joaquín Abolafia, Reza Ghaderi

journal of Nematology, Volume 53 , 1–10

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