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  • Journal Of Nematology

 

Article | 21-July-2017

Characterization of Lilium longiflorum cv. ‘Nellie White’ Infection with Root-lesion Nematode Pratylenchus penetrans by Bright-field and Transmission Electron Microscopy

Lilium longiflorum cv. Nellie White, commonly known as Easter lily, is an important floral crop with an annual wholesale value of over $26 million in the United States. The root-lesion nematode, Pratylenchus penetrans, is a major pest of lily due to the significant root damage it causes. In this study, we investigated the cytological aspects of this plant–nematode interaction using bright-field and transmission electron microscopy. We took advantage of an in vitro culture method

PAULO VIEIRA, JOSEPH MOWERY, JAMES KILCREASE, JONATHAN D. EISENBACK, KATHRYN KAMO

Journal of Nematology, Volume 49 , ISSUE 1, 2–11

research-article | 30-November-2019

Prevalence of the root lesion nematode virus (RLNV1) in populations of Pratylenchus penetrans from North America

., 2018; Ruark et al., 2017, 2018). We have recently discovered a new virus (the root lesion nematode virus, RLNV1) associated with the migratory nematode Pratylenchus penetrans (Vieira and Nemchinov, 2019). P. penetrans is an endoparasitic migratory PPN, which can infect a broad range of economically important crops (Castillo and Vovlas, 2007) and is among the top three most damaging species of PPN (Jones et al., 2013). Pratylenchus species were the most abundant PPN (69%) identified in 38,022

Paulo Vieira, Amy Peetz, Benjamin Mimee, Kanan Saikai, Dimitre Mollov, Ann MacGuidwin, Inga Zasada, Lev G. Nemchinov

Journal of Nematology, Volume 52 , 1–10

research-article | 30-November-2019

Molecular and morphological characterization of the amaryllis lesion nematode, Pratylenchus hippeastri (Inserra et al., 2007), from California

, 1936 contains approximately 100 species (Geraert, 2013; Qing et al., 2019), with new species being described very frequently. Root-lesion nematodes are among the most prevalent nematodes that can infect and cause damage to the grapevine roots (Téliz et al., 2007; Howland et al., 2014). The large number of species as well as the vast number of hosts makes this genus very important from an economic perspective. Pratylenchus hippeastri, also known as the amaryllis lesion nematode, has been previously

Zafar A. Handoo, Andrea M. Skantar, Mihail R. Kantor, Saad L. Hafez, Maria N. Hult

Journal of Nematology, Volume 52 , 1–5

research-article | 30-November-2019

Molecular characterization of the Pratylenchus vulnus populations on cereals in Turkey

Vovlas, 2007). Molecular techniques as RAPD-PCR and sequencing of D2 to D3 expansion segments of the 28S rRNA was used for the identification of P. vulnus on different plant species (Subbotin et al., 2008; Bakooie et al., 2012; Lopez-Nicora et al., 2012). Moreover, real-time PCR provides sensitive identification of the species with species-specific primers using 1/128 of the DNA of one nematode (Huang and Yan, 2017). Pratylenchus vulnus (Allen and Jensen, 1951) (walnut root lesion nematode) has been

Mehmet Sait Karaca, Elif Yavuzaslanoglu, Gul Imriz, Ozlem Ates Sonmezoglu

Journal of Nematology, Volume 52 , 1–4

Article | 05-December-2017

The Mesostigmatid Mite Protogamasellus mica, an Effective Predator of Free-Living and Plant-Parasitic Nematodes

Protogamasellus mica was extracted from a sugarcane field in Australia and cultured on bacterial-feeding nematodes. Studies with various nematodes in laboratory arenas showed that one mite and its progeny reduced nematode numbers by between 26 and 50 nematodes/day. A bacterivore (Mesorhabditis sp.), a fungivore (Aphelenchus avenae), and two plant parasites (root-knot nematode, Meloidogyne javanica and root-lesion nematode, Pratylenchus zeae) were all reduced at much the same rate despite the

GRAHAM R. STIRLING, A. MARCELLE STIRLING, DAVID E. WALTER

Journal of Nematology, Volume 49 , ISSUE 3, 327–333

research-article | 17-March-2020

Essential oils for managing Pratylenchus penetrans on Easter lilies

alternatives to the use of pesticides for management of the crops’ major pest, the lesion nematode (Pratylenchus penetrans) (Westerdahl et al., 2003). Essential oils (EOs) are complex mixtures of volatiles, mainly products of plant secondary metabolism. Common components include terpenes, mono- and sesquiterpenes, and phenolic compounds, such as phenylpropanoids. They are generally biodegradable, have low toxicity to mammals and do not accumulate in the environment (Figueiredo et al., 2008). Chitwood (2002

B. B. Westerdahl, D. Giraud, L. J. Riddle, C. A. Anderson

Journal of Nematology, Volume 52 , 1–7

research-article | 30-November-2018

Fluensulfone and 1,3-dichloroprene for plant-parasitic nematode management in potato production

. Samples were homogenized in plastic bags and nematodes were extracted from 100 cm3 soil. In 2016 and 2017, nematodes were extracted by Baermann funnel (Southey, 1986) whereas in 2018, nematodes were extracted by sucrose floatation and centrifugation (Byrd et al., 1976). After nematodes were extracted, plant-parasitic nematodes were identified to genera and quantified using an inverted, light microscope. Sting nematode, lesion nematode (Pratylenchus sp.), and stubby-root nematode were present across

Zane J. Grabau, Joseph W. Noling, Pablo A. Navia Gine

Journal of Nematology, Volume 51 , 1–12

research-article | 30-November-2019

Intraspecific variation in phenotypic and phylogenetic features among Pratylenchus penetrans isolates from Wisconsin, USA

Kanan Saikai, Ann E. MacGuidwin

Journal of Nematology, Volume 52 , 1–17

Research Article | 03-December-2018

First report of Pratylenchus vulnus associated with apple in Tunisia

The root-lesion nematode of the genus Pratylenchus Filipjev (1936) has a worldwide distribution and cause severe production constraints on numerous important crops. In 2013-14, during a survey of the apple nurseries and orchards in center of Tunisia (Kairouan, Zaghouan, Monastir and Kasserine), 70 different roots and soil samples were collected. The populations of root-lesion nematode were identified on the basis of their morphological and morphometric characters, and by molecular methods

Noura Chihani-Hammas, Lobna Hajji-Hedfi, Hajer Regaieg, Asma Larayedh, Ahmed Badiss, Yu Qing, Horrigue-Raouani Najet

Journal of Nematology, Volume 50 , ISSUE 4, 579–586

research-article | 30-November-2019

Difference in lesion formation by male and female Pratylenchus penetrans

the root cortex as an endoparasite on a broad range of hosts (Zunke, 1990a). The common name of root-lesion nematode describes its hallmark symptom of tissue necrosis in roots. The formation of lesions is closely associated with migration and nematode feeding (Townshend et al., 1989; Zunke, 1990b). Infection by P. penetrans occurs along all regions of roots and the nematode migrates within roots inter- and intracellularly, resulting in minute lesions (Townshend and Stobbs, 1981). The nematode

Kanan Saikai, Ann E. MacGuidwin

Journal of Nematology, Volume 52 , 1–9

research-article | 30-November-2020

Evaluation of root-lesion nematode (Pratylenchus zeae) resistance assays for sugarcane accession lines

resistance that is reliable and suitable for screening large numbers of progeny lines. The parameter(s) used to measure disease resistance needs be realistic and repeatable. In Australia, the resistance of sugarcane accession lines is measured by determining the ability of the root-lesion nematode to reproduce in the roots of the test lines. The nematode reproduction is measured by the number of nematodes per plant at the harvest that has been inoculated with a certain number of nematodes at planting

S. A. Bhuiyan, K. Garlick

Journal of Nematology, Volume 53 , 1–10

Article | 21-July-2017

Distribution and Longevity of Pratylenchus penetrans in the Red Raspberry Production System

DUNCAN R. KROESE, JERRY E. WEILAND, INGA A. ZASADA

Journal of Nematology, Volume 48 , ISSUE 4, 241–247

Research Article | 26-September-2018

Annual and Perennial Alleyway Cover Crops Vary in Their Effects on Pratylenchus penetrans in Pacific Northwest Red Raspberry (Rubus idaeus)

RACHEL E. RUDOLPH, INGA A. ZASADA, LISA W. DEVETTER

Journal of Nematology, Volume 49 , ISSUE 4, 446–456

Article | 21-July-2017

Effect of Application Timing of Oxamyl in Nonbearing Raspberry for Pratylenchus penetrans Management

INGA A. ZASADA, THOMAS W. WALTERS

Journal of Nematology, Volume 48 , ISSUE 3, 177–182

research-article | 30-November-2018

New data on known species of Hirschmanniella and Pratylenchus (Rhabditida, Pratylenchidae) from Iran and South Africa

amaryllis lesion nematode, was first described by Inserra et al. (2007) from roots of Hippeastrum sp. in Florida (USA). Inserra et al. (2007) distinguished the species due to individuals having slender bodies, flat, plain, and smooth head regions with two lip annuli (some specimens with an incomplete third annulus) of which the second lip annulus is thicker than the first, ellipsoidal stylet knobs, rectangular and empty spermathecae with large round cavities, and conoid tails with bluntly pointed

Ebrahim Shokoohi, Joaquín Abolafia, Phatu William Mashela, Nafiseh Divsalar

Journal of Nematology, Volume 51 , 1–26

research-article | 30-November-2018

The morphological characteristics and phylogenetic analysis of Pratylenchus vulnus Taiwan strawberry isolate

discovery of the existence and population dynamics of P. vulnus in Taiwan implies a new threat to the 1,639 million NTD (ca. $52 million) strawberry industry. Currently, no nematicide is registered for root-lesion nematode suppression in strawberry. Related cultural and physical control options are currently undergoing evaluation by agricultural extension agencies to prevent serious damage.

Yu-po Lin, Wan-chun Lee, Pei-che Chung, Jiue-in Yang

Journal of Nematology, Volume 51 , 1–5

research-article | 15-April-2019

Dynamics of the impacts of Pratylenchus penetrans on Gisela® cherry rootstocks

Sweet cherry production is growing rapidly in North America, particularly in the Pacific Northwest and British Columbia. As old orchards are being renovated, growers are shifting to higher density plantings using semi-dwarfing rootstocks such as the Gisela® series (P. cerasus L. × P. canascens L.). The root-lesion nematode, Pratylenchus penetrans (Cobb) Filipjev and Schuurmans Stekhoven, is recognized as an important pest of fruit trees, including sweet cherry grown in temperate regions

Thomas Forge, Denise Neilsen, Gerry Neilsen, Suzanne Blatt

Journal of Nematology, Volume 51 , 1–10

research-article | 30-November-2020

Detection of Pratylenchus zeae and P. brachyurus parasitizing plants from the caatinga biome, Ceará, Brazil

Francisco Jorge Carlos Souza Junior, Mayara Castro Assunção

Journal of Nematology, Volume 53 , 1–5

research-article | 30-November-2018

A COI DNA barcoding survey of Pratylenchus species in the Great Plains Region of North America

possible to assign any of the haplotype groups to this species based on those characters. Pratylenchus flakkensis, reported from corn in Iowa by Norton (1983), is represented in GenBank by two partial COI sequences that did not match any COI sequence generated in this survey. There are several key conclusions that can be drawn from this DNA barcode-based survey on Pratylenchus diversity in the Great Plains. First, P. neglectus is the most widespread and abundant lesion nematode across the region. It

Mehmet Ozbayrak, Tim Todd, Timothy Harris, Rebecca Higgins, Kirsten Powers, Peter Mullin, Lisa Sutton, Thomas Powers

Journal of Nematology, Volume 51 , 1–21

research-article | 30-November-2018

Nematicidal activity of fipronil against Pratylenchus zeae in sugarcane

losses were observed for both plant and ratoon crops due to the root-lesion nematode, Pratylenchus zeae (Kawanobe et al., 2014, 2016, 2019). Despite the very significant yield losses caused by the nematode, no nematicide has been registered for the control of plant-parasitic nematodes on sugarcane in Japan. Though alternative approaches to control plant-parasitic nematodes in sugarcane fields are available, such as antagonistic plants and crop rotation, nematicides may be an effective tool for

Masanori Kawanobe, Koki Toyota, Takashi Seko, Koshi Gunjima

Journal of Nematology, Volume 51 , 1–14

Article | 21-July-2017

The Effect of Endophytic Fungi on Nematode Populations in Summer-dormant and Summer-active Tall Fescue

JAMES K. ROGERS, NATHAN R. WALKER, CAROLYN A. YOUNG

Journal of Nematology, Volume 48 , ISSUE 2, 87–94

Article | 21-July-2017

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

ZANE J. GRABAU, ZIN THU ZAR MAUNG, D. COREY NOYES, DEAN G. BAAS, BENJAMIN P. WERLING, DANIEL C. BRAINARD, HADDISH MELAKEBERHAN

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

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