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  • Journal Of Nematology

 

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-2018

Serendipitous identification of Pratylenchus curvicauda from the grainbelt of Western Australia

Root lesion nematodes (Pratylenchus spp.) are one of three economically important plant-parasitic nematode pests of many crops worldwide (Jones et al., 2013). The over 77 species currently described are polyphagous and cause yield losses of major grain crops including wheat and barley and even more significant damage under drought conditions (Taylor et al., 1999; Castillo and Vovlas, 2007). In Australia, about 12 economically important Pratylenchus species have been described and these include

Farhana Begum, John Fosu-Nyarko, Shashi Sharma, Bill Macleod, Sarah Collins, Michael G. K. Jones

Journal of Nematology, Volume 51 , 1–15

research-article | 30-November-2019

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

Grapevine (Vitis vinifera) is one of the most extensive fruit crops of agricultural system worldwide (Torregrosa et al., 2015). As per United States Department of Agriculture, National Agricultural Statistics Service, the United States grape production in 2017 was 7,363,260 tons. The highest acreage planted with grapevine is in California, with a total of 880,000 acres planted in 2017 and 925,000 in 2018 (USDA, National Agricultural Statistics Service, 2019). The genus Pratylenchus Filipjev

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-2020

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

agriculture that bring with it the introduction of phytopathogenic organisms, such as nematodes, which cause imbalance in the original microbiota (Instituto Brasileiro de Geografia e Estatística (IBGE), 2020). Nematodes are organisms that live in the soil and can be found parasitizing the root system, causing direct damage to plants. One of the main genres is Pratylenchus Filipjev (1936) is known as a nematode of root lesions, being disseminated in several geographical locations, occupying the third

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

Global estimates indicate that there are approximately 100 described species in the genus Pratylenchus Filipjev, 1936 (Janssen et al., 2017; Singh et al., 2018). In total, 27 of these species have been reported from North America by Castillo and Vovlas (2007). This number has increased to 29 with the descriptions of P. floridensis De Luca, Troccoli, Duncan, Subbotin, Waeyenberge, Moens & Inserra, 2010 and P. parafloridensis De Luca, Troccoli, Duncan, Subbotin, Waeyenberge, Moens & Inserra, 2010

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-2019

Morphological and molecular characterization of Pratylenchus species from Yam (Dioscorea spp.) in West Africa

most damaging. They affect yield and tuber quality, reducing yam production and tuber storability (Ayensu and Coursey, 1972; Bridge et al., 2005; Coyne and Affokpon, 2018). The major plant-parasitic nematodes known to cause serious damage on yam tubers are the yam nematode (Scutellonema bradys (Steiner and LeHew, 1933; Andrássy, 1958), root-knot nematodes (Meloidogyne spp.) and root-lesion nematodes (RLN) (Pratylenchus spp.) (Bridge et al., 2005; Bridge and Starr, 2007; Kolombia et al., 2016b

Yao A. Kolombia, Oluwadamilola Ogundero, Emmanuel Olajide, Nicole Viaene, P. Lava Kumar, Danny L. Coyne, Wim Bert

Journal of Nematology, Volume 52 , 1–25

research-article | 30-November-2018

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

Root lesion nematodes (Pratylenchus sp.) are among the most economically damaging phytoparasitic nematodes on fruits, tree rootstocks and vegetables (Yu et al., 2012). Pratylenchus vulnus was first reported in 1951 as a pathogen of multiple trees and vines in California, USA (Allen and Jensen, 1951) and was later found to infect over 80 plant species (Castillo and Vovlas, 2007). In Uruguay, Sri Lanka and Australia, serious damage in strawberry (Fragaria × ananassa) fields caused by this

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

Journal of Nematology, Volume 51 , 1–5

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

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

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

Plant-parasitic nematodes are major pathogens to sugarcane worldwide (Ramouthar and Bhuiyan, 2018). In Australia, they cause 5–20% yield loss/year, costing over $80 million in productivity in Australia (Blair and Stirling, 2007). Lesion nematodes, Pratylenchus spp, predominantly P. zeae, are the most important nematodes pests of sugarcane in Australia, found in all sugarcane regions, and can cause significant yield loss (Blair and Stirling, 2007; Blair et al., 1999a, b). Cultural methods such

S. A. Bhuiyan, K. Garlick

Journal of Nematology, Volume 53 , 1–10

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 | 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

Article | 21-July-2017

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

production systems. Research was conducted at two field sites where cover crops were grown in Fall 2014 preceding Summer 2015 carrot production. At Site 1, rootlesion (Pratylenchus penetrans) and stunt (Tylenchorhynchus sp.) nematodes were present at low population densities (less than 25 nematodes/100 cm3 soil), but were not significantly affected (P > 0.05) by cover crops. At Site 2, P. penetrans population densities were increased (P ≤ 0.05) by ‘Defender&rsquo

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

research-article | 30-November-2019

Molecular characterization of the Pratylenchus vulnus populations on cereals in Turkey

Root lesion nematodes of the genus Pratylenchus (Filipjev, 1936) are migratory endoparasitic nematodes and the third most damaging nematode species in the world after root knot and cyst nematodes (Castillo and Vovlas, 2007). Currently, according to Janssen et al. (2017), there are 101 species of root lesion nematodes reported worldwide. The most economical important species are P. penetrans, P. thornei, P. neglectus, P. zeae, P. coffeae, and P. vulnus (Jones et al., 2013). Pratylenchus vulnus

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

Journal of Nematology, Volume 52 , 1–4

Article | 21-July-2017

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

One of the major constraints on the production of red raspberries in the Pacific Northwest is the presence of the rootlesion nematode Pratylenchus penetrans. Current management of this nematode relies heavily on preplant soil fumigation; however, regulations have made the practice more difficult and expensive. Additional issues with soil fumigation include lack of efficacy at deeper soil depths and potential inability to penetrate raspberry root material that remains in the field during

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

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

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

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

THI DUYEN NGUYEN, THI MAI LINH LE, HUU TIEN NGUYEN, THI ANH DUONG NGUYEN, GRACIA LIEBANAS, QUANG PHAP TRINH

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

research-article | 23-April-2020

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

widely distributed within hop yards in Sacramento County, California (Maggenti, 1962), as well as Pratylenchus neglectus Filipjev & Schuurmans-Stekhoven and Pratylenchus thornei Sher & Allen, which have been reported less frequently within Idaho and Oregon (Hafez et al., 1992). In New Zealand, Ditylenchus destructor Thorne was isolated from severely stunted plants from commercial hop yards (Foot and Wood, 1982). Severe nematode damage in a hop yard in Belgium was associated with H. humuli

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

Journal of Nematology, Volume 52 , 1–10

research-article | 30-November-2019

Difference in lesion formation by male and female Pratylenchus penetrans

Pratylenchus penetrans is an economically important species with a wide geographic distribution in temperate climates. Unlike some other species in the genus, P. penetrans requires females and males for reproduction and, therefore, males are common (Thistlethwayte, 1970; Mamiya, 1971). The gender ratio varies, depending on habitat, hosts, and soil conditions (Patterson and Bergeson, 1967). Both genders are migratory throughout the life cycle, feeding on the root surface as an ectoparasite or in

Kanan Saikai, Ann E. MacGuidwin

Journal of Nematology, Volume 52 , 1–9

Article | 21-July-2017

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

In 2012, theWashington raspberry (Rubus idaeus) industry received a special local needs (SLN) 24(c) label to apply Vydate L (active ingredient oxamyl) to nonbearing raspberry for the management of Pratylenchus penetrans. This is a new use pattern of this nematicide for raspberry growers; therefore, research was conducted to identify the optimum spring application timing of oxamyl for the suppression of P. penetrans. Three on-farm trials in each of 2012 and 2013 were established in Washington in

INGA A. ZASADA, THOMAS W. WALTERS

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

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)

Cover crops can provide many benefits to agroecosystems, such as lessening soil erosion and increasing water infiltration. However, cover crop use is not common in established red raspberry (Rubus idaeus) fields in the Pacific Northwest. Raspberry growers are concerned about resource competition between the cover crop and raspberry crop, as well as increasing population densities of the plant-parasitic nematode Pratylenchus penetrans, which has a wide host range and has been shown to reduce

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

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

research-article | 30-November-2018

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

(Majd Taheri et al., 2013). Those species have been studied by morphological characters except for two unknowns which have been studied by morphological and molecular DNA barcoding using 28S rDNA (Majd Taheri et al., 2013). Root-lesion nematodes, Pratylenchus (Filipjev, 1936), are after root-knot and cyst nematodes listed as the third economically most important genus that adversely affects crop production worldwide (Castillo and Vovlas, 2007; Jones et al., 2013). Pratylenchus hippeastri, the

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

Journal of Nematology, Volume 51 , 1–26

research-article | 12-April-2021

Bionematicides as an alternative to methyl bromide fumigation

Root-lesion, Pratylenchus vulnus Allen and Jensen; and ring, Mesocriconema xenoplax (Raski, 1952) Loof & De Grisse, 1989 nematodes reduce walnut (Juglans sp.) yields through root damage from direct feeding and by placing trees under stress (Lownsbery, 1956, 1959; Lownsbery et al., 1978). Root-lesion nematodes are likely to be found within roots as well as in soil, while ring nematodes are external parasites of roots. Recently, two biological nematicides achieved registration in California for

B. B. Westerdahl, J. Hasey, J. Grant, L. W. Beem

Journal of Nematology, Volume 53 , 1–10

research-article | 30-November-2019

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

Pratylenchus penetrans (Cobb, 1917) is a cosmopolitan species reported from 69 countries and every continent except Antarctica (EPPO, 2020). Plant damage due to parasitism by P. penetrans has been documented across the plant kingdom with the most severe impact occurring in temperate climates. In Wisconsin, a state in the North Central USA with a diverse agriculture, P. penetrans is a common pest of fruit, vegetable, grain, and forage crops. Identification of P. penetrans is supported by

Kanan Saikai, Ann E. MacGuidwin

Journal of Nematology, Volume 52 , 1–17

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

Article | 21-July-2017

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

;cultivars, Kentucky 31 (common toxic) and Texoma MaxQ II (novel endophyte) and the Mediterranean cultivar Flecha MaxQ (novel endophyte). Endophyte-free plants of each cultivar were controls. Each cultivar 3 endophyte combination was randomly assigned to a control, low or high inoculation rate of a mixed nematode culture containing stunt nematodes (Tylenchorhynchus spp.), ring nematodes (Criconemella spp.), spiral nematodes (Helicotylenchus spp.), and lesion nematodes (Pratylenchus spp

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

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

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

Plant-parasitic nematodes associated with sugarcane in Kilimanjaro, Tanzania

Meloidogyne, Pratylenchus, Tylenchorhynchus, Rotylenchulus, and Helicotylenchus. This study was aimed at studying the diversity of PPN associated with sugarcane, with focus on the sugarcane plantation sites of TPC Limited in Kilimanjaro region. The combination of morphological and molecular analyses revealed the presence of several genera of PPN in the soil and root samples collected from 12 different sugarcane fields. Molecular and morphological characterizations are provided for the most important PPN

Phougeishangbam Rolish Singh, Beatrice E. Kashando, Marjolein Couvreur, Gerrit Karssen, Wim Bert

Journal of Nematology, Volume 52 , 1–17

research-article | 30-November-2018

Diversity and seasonal fluctuation of tylenchid plant-parasitic nematodes in association with alfalfa in the Kerman Province (Iran)

various countries, such as the USA (Gray and Griffin, 1994), South Africa (Kleynhans et al., 1996) and others (Abivardi and Sharafeh, 1973; Sturhan and Brzeski, 1991). Moreover, nematodes such as Aphelenchoides ritzemabosi and Ditylenchus dipsaci are major pests of the foliar parts of alfalfa (Gray et al., 1994; Milano de Tomasel and McIntyre, 2001), whereas Meloidogyne spp. and Pratylenchus spp. in particular infect roots of this genus and cause substantial yield losses (Hafez and Sundararaj, 2009

Ebrahim Shokoohi, Phatu William Mashela, Fahimeh Iranpour

Journal of Nematology, Volume 51 , 1–14

research-article | 30-November-2018

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, Volume 51 , 1–6

research-article | 30-November-2020

Differences in distribution and community structure of plant-parasitic nematodes in pecan orchards between two ecoregions of Georgia

), Xiphenema americanum densities were greater in silty clay-loam soils than silt-loam soils (Schmitt and Norton, 1972), and high population densities of Pratylenchus and Criconemella are typically found in fine silt and sandy soils, respectively (Wallace et al., 1993). Over their North America distribution, pecan trees can be harmed with diminished yields from PPNs, especially three species of root-knot nematodes (RKN) Meloidogyne incognita (Hendrix and Powell, 1968), M. arenaria (Carithers, 1978) and M

Ganpati B. Jagdale, Timothy B. Brenneman, Paul M. Severns, David Shapiro-Ilan

Journal of Nematology, Volume 53 , 1–14

Article | 05-December-2017

Nematicidal Effects of 5-Aminolevulinic Acid on Plant-Parasitic Nematodes

incognita, Heterodera glycines, Pratylenchus coffeae, and Bursaphelenchus xylophilus. A series of in vitro assays and one greenhouse trial were conducted to examine the nematicidal effects of ALA. The results demonstrated that ALA exhibited a strong effect of suppression against the four nematodes tested. ALA also inhibited hatching of M. incognita and H. glycines. Results from the greenhouse experiment indicated that treatment of soil with 6.0 mM ALA significantly reduced the root-gall index (RGI) and

FEIXUE CHENG, JIAN WANG, ZHIQIANG SONG, JU’E CHENG, DEYONG ZHANG, YONG LIU

Journal of Nematology, Volume 49 , ISSUE 3, 295–303

research-article | 30-November-2019

Influences of nitrogen inputs on nematode populations under highbush blueberry

Highbush blueberry (Vaccinium corymbosum L.) is an economically important crop in British Columbia (BC) and the Pacific Northwest of North America. In BC, over 12,000 ha of blueberry fields yielded an average of 76,750 tons of marketable fruit over the 2014 to 2015 period (Statistics Canada, 2019). Several groups of plant-parasitic nematodes have been found to be associated with highbush blueberry in the region, with Pratylenchus and Paratrichodorus nematodes being the most frequently found

Thomas Forge, David Ehret, Aime Messiga, Martine Dorais

Journal of Nematology, Volume 52 , 1–14

research-article | 30-November-2018

Developing a real-time PCR diagnostic method for a potential threat to chrysanthemum, Paratylenchus dianthus

Agriculture, Forestry and Fishery: http://www.maff.go.jp/j/tokei/kouhyou/hana_sangyo/). Chrysanthemum is damaged by many soil-borne pathogens including fungi, bacteria, and virus at each growth stage from the nursery bed to the field. Several plant-parasitic nematode species were also reported as important pathogens against chrysanthemum. Aphelenchoides ritzemabosi and Pratylenchus penetrans are well-known plant-parasitic nematode species that infest chrysanthemum (Goffart, 1930; Hesling and Wallace, 1961

Masanori Kawanobe, Koki Toyota, Hidehito Uchihara, Mikoto Takae

Journal of Nematology, Volume 51 , 1–11

research-article | 17-March-2020

The effects of Meloidogyne incognita and Heterodera glycines on the yield and quality of edamame (Glycine max l.) in Arkansas

, Heterodera, Pratylenchus, Helicotylenchus, Tylenchorhynchus, Paratrichodorus and Hoplolaimus (Table 1). Other plant-parasitic nematodes identified in low levels in only one or two fields include Xiphinema and Criconemoides (data not shown). Meloidogyne and Heterodera, both of which are economically significant nematodes in traditional soybean production systems, were found in edamame fields both years of the survey. In 2013, Meloidogyne was found in 12 (of 33) fields and Heterodera was found in 13 fields

J. E. Wilkes, T. L. Kirkpatrick

Journal of Nematology, Volume 52 , 1–15

research-article | 06-November-2020

Steam-based thermotherapy for managing nematodes in strawberry transplants

(Aphelenchoides besseyi Christie, 1942), root-knot nematode (Meloidogyne hapla Chitwood, 1949), and root-lesion nematode (Pratylenchus penetrans Cobb, 1917). These nematodes coming as quiescent passengers on strawberry transplants do not typically cause any obvious damage symptoms, however, nematode damage occurs later in the crop growing season when environmental conditions are favorable for nematode reproduction. In 2016, foliar nematode outbreak occurred in some strawberry farms in Florida and caused

Churamani Khanal, Mengyi Gu, Natalia A. Peres, Johan A. Desaeger

Journal of Nematology, Volume 52 , 1–10

Research Article | 17-October-2018

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, Volume 50 , ISSUE 3, 329–342

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