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  • Journal Of Nematology


research-article | 16-April-2020

Nematicide influence on cotton yield and plant-parasitic nematodes in conventional and sod-based crop rotation

Cotton (Gossypium hirsutum) is an important agronomic crop in the Southeastern United States. In 2018 cotton seed production in the United States was estimated at 5.11 million metric tons with an average yield of 1.24 metric tons per hectare (NASS-USDA, 2019). Reniform nematode (Rotylenchulus reniformis Linford and Oliveira, RN) is a significant pathogen of cotton that is typically managed by crop rotation or nematicide application (Linford and Oliveira, 1940; Moore and Lawrence, 2012

Lesley A. Schumacher, Zane J. Grabau, David L. Wright, Ian M. Small, Hui-Ling Liao

Journal of Nematology, Volume 52 , 1–14

research-article | 17-March-2020

Silver nanoparticles as a potential nematicide against Meloidogyne graminicola

shown evidence of being a potentially effective nematicide (Cromwell et al., 2014; Abdellatif et al., 2016; Hassan et al., 2016; Nassar, 2016; Taha, 2016). The first report on the bio-efficacy of AgNP on a plant-parasitic nematode was provided by Cromwell et al. (2014) against root-knot nematode on bermuda grass with mixed results, the lab assays revealed promising results but field experiments were not conclusive. Subsequent studies have explicitly revealed promising results of AgNP (Abdellatif et

Richa Baronia, Puneet Kumar, S. P. Singh, R. K. Walia

Journal of Nematology, Volume 52 , 1–9

research-article | 16-April-2020

Nematicide efficacy at managing Meloidogyne arenaria and non-target effects on free-living nematodes in peanut production

detectable level of this nematode presents a risk of damage (McSorley et al., 1992). Peanut producers rely on crop rotation, resistant cultivars, and nematicide application to manage PRKN. Peanut cultivars (TifNV High O/L, Georgia 14 N, and Tifguard) that are highly resistant to root-knot nematodes are available and derive resistance from the parental cultivar COAN (Holbrook et al., 2008; Branch et al., 2014; Holbrook et al., 2017). These resistant cultivars are not widely adopted as a majority of

Zane J. Grabau, Mark D. Mauldin, Alemayehu Habteweld, Ethan T. Carter

Journal of Nematology, Volume 52 , 1–10

research-article | 15-April-2019

Nematicide effects on non-target nematodes in bermudagrass

; Ferris and Bongers, 2006). Studying population changes of nematode functional groups can provide insight into potential effects of nematicides on soil health (Ferris et al., 2001). We conducted nematicide treatment programs in order to better understand potential non-target effects on non-herbivore free-living nematode community structure. We predicted nematicide applications would significantly affect nematode community structure by decreasing the number of nematodes belonging to high trophic levels

Benjamin D. Waldo, Zane J. Grabau, Tesfamariam M. Mengistu, William T. Crow

Journal of Nematology, Volume 51 , 1–12

research-article | 30-November-2020

Evaluation of a new chemical nematicide, fluazaindolizine (ReklemelTM active), for plant-parasitic nematode management in bermudagrass

reductions in root biomass, water uptake, and nutrient absorption. With the high potential for significant damage to turf by plant-parasitic nematodes, timely management is extremely important, especially on highly maintained turfgrass. The primary strategy for nematode management is through a limited number of chemical nematicides. Since its registration in 1973, fenamiphos (Nemacur, Bayer CropScience, St. Louis, MO) has dominated the turfgrass industry as the most frequently used nematicide (Keigwin

Will L. Groover, Kathy S. Lawrence

Journal of Nematology, Volume 53 , 1–14

Article | 05-December-2017

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

egg mass number per root system compared with the uninoculated control (P # 0.05). The metabolism assays indicated that ALA treatment significantly altered the nematode metabolism including the total protein production, malondialdehyde (MDA) content, and oxidase activities. This study suggested that ALA is a promising nematicide against plant-parasitic nematodes.


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

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


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

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 | 30-November-2018

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

cultivars are not available. Because of the limitations of other management strategies and the high pressure from nematodes, fumigant and non-fumigant nematicide application is an important component of nematode management in Florida potato production. The limited number of nematicides labeled and available for Florida potato production is also a challenge for nematode management. In recent years, growers have temporarily or permanently lost use of some nematicides, such as oxamyl and aldicarb, due to

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

Journal of Nematology, Volume 51 , 1–12

Article | 21-July-2017

Efficacy of Various Application Methods of Fluensulfone for Managing Root-knot Nematodes in Vegetables

Fluensulfone is a new nematicide in the flouroalkenyl chemical group. A field experiment was conducted in 2012 and 2013 to evaluate the efficacy of various application methods of fluensulfone for control of Meloidogyne spp. in cucumber (Cucumis sativus). Treatments of fluensulfone (3.0 kg a.i./ha) were applied either as preplant incorporation (PPI) or via different drip irrigation methods: drip without pulse irrigation (Drip NP), pulse irrigation 1 hr after treatment (Drip +1P), and treatment


Journal of Nematology, Volume 48 , ISSUE 2, 65–71

research-article | 30-November-2018

Movement of seed- and soil-applied fluopyram in soil columns

million bushels of grain across the southern USA (Allen et al., 2018). Nematicides continue to be an important part of an integrated system to manage root-knot nematodes in cotton and soybean. They are most often utilized when M. incognita-resistant cultivars or non-host crop options are lacking. The presence of multiple species of economically important nematodes in a field may also require the use of a nematicide to limit yield losses. Fumigant nematicides are highly effective, but may require

Travis R. Faske, Katherine Brown

Journal of Nematology, Volume 51 , 1–8

research-article | 30-November-2018

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

. dianthus was not recognized as a plant pathogen on chrysanthemum in the previous studies. P. dianthus was described and reported to cause poor growth of green-house carnations (Jenkins and Taylor, 1956), and was also found to cause severe leaf drop of Euonymus japonicus, an evergreen shrub (Liu, 1995). The nematicide imicyafos suppressed the population density of P. dianthus in all the pot experiments. The growth indicators, plant height, plant dry weight, and SPAD value, of the pot experiments at two

Masanori Kawanobe, Koki Toyota, Hidehito Uchihara, Mikoto Takae

Journal of Nematology, Volume 51 , 1–11

research-article | 06-November-2020

Plant health evaluations of Belonolaimus longicaudatus and Meloidogyne incognita colonized bermudagrass using remote sensing

-parasitic nematodes in conjunction with nematicide applications. Specifically, the objectives were to (i) assess turfgrass chemical nematicides for their ability to impact visual quality ratings, NDVI, and NDRE values on M. incognita and B. longicaudatus infected bermudagrass in microplots, and (ii) to advance to a golf course infested with multiple genera of plant-parasitic nematodes and assess the chemical nematicides ability to influence these same vigor ratings. Materials and methods Microplot

Will L. Groover, Kathy S. Lawrence

Journal of Nematology, Volume 52 , 1–13

research-article | 30-November-2019

Compatibility of fluazaindolizine and oxamyl with Pasteuria penetrans on spore attachment to juveniles of Meloidogyne javanica and M. incognita

Salibro™ is a novel sulfonamide nematicide containing the active ingredient (a.i.) fluazaindolizine (Reklemel™ active). Its biochemical mode of action is presently unknown but in laboratory studies it caused adverse effects at concentrations around 1 to 50 ppm (a.i.) on various fitness parameters (motility, mobility, and infectivity) of Meloidogyne incognita, M. javanica, and M. hapla (Thoden and Wiles, 2019; Thoden et al., 2019). Pasteuria penetrans is a mycelial and endospore forming

Eleni Nasiou, Tim Thoden, Iro V. Pardavella, Emmanuel A. Tzortzakakis

Journal of Nematology, Volume 52 , 1–7

Article | 21-July-2017

Resistance to Southern Root-knot Nematode (Meloidogyne incognita) in Wild Watermelon (Citrullus lanatus var. citroides)

. citroides accessions were evaluated with and without nematicide at the same field site in 2007. Citrullus lanatus var. citroides accessions performed better than C. lanatus var. lanatus and C. colocynthis. Overall, most entries of C. lanatus var. citroides performed similarly with and without nematicide treatment in regard to root galling, visible egg masses, vine vigor, and root mass. In both years of field evaluations, most C. lanatus var. citroides accessions showed lesser degrees


Journal of Nematology, Volume 48 , ISSUE 1, 14–19

research-article | 30-November-2020

Effects of fluopyram and azadirachtin integration with sunn hemp on nematode communities in zucchini, tomato and sweet potato in Hawaii

marketed as a fungicide and later as a nematicide, is an inhibitor of the succinate dehydrogenase enzyme (Veloukas and Karaoglanidis, 2012). Exposure of Meloidogyne incognita and R. reniformis to low concentrations of fluopyram resulted in nematode paralysis and reduced penetration of tomato (Solanum lycopersicum) roots (Faske and Hurd, 2015). Fluopyram has shown promise against plant-parasitic nematodes on ornamental and agriculturally important crops (Jeschke, 2016; Myers et al., 2020). Applications

Philip Waisen, Koon-Hui Wang, Jensen Uyeda, Roxana Y. Myers

Journal of Nematology, Volume 53 , 1–15

research-article | 06-November-2020

The potential of eugenol as a nematicidal agent against Meloidogyne javanica (Treub) Chitwood

insecticidal activity and suggested the involvement of EO components in interrupting the nematode nervous system but also changing the permeability of the cell membrane. In conclusion, phenolic monoterpenoid eugenol could be useful as a potential plant-based nematicide with contact action to control M. javanica. However, further study is needed to develop formulation, concentration and application times to improve eugenol efficacy under field conditions for practical use as novel nematicide or hatching

Eleni Nasiou, Ioannis O. Giannakou

Journal of Nematology, Volume 52 , 1–10

research-article | 30-November-2019

Evaluation of fluopyram for the control of Ditylenchus dipsaci in sugar beet

uncommon for D. dipsaci to show higher tolerance to nematicide/nematistatic compounds compared to other nematode species. Ditylenchus dipsaci motility was more tolerant to fluensulfone compared to Pratylenchus penetrans, P. thornei, and Aphelenchoides fragariae (Oka, 2014). Recovery in the motility of D. dipsaci was evaluated after 72 h because the majority of nematodes were still motile at 24 h for most of the fluopyram concentrations. There was no increase in motility in D. dipsaci after exposure to

Alan Storelli, Andreas Keiser, Reinhard Eder, Samuel Jenni, Sebastian Kiewnick

Journal of Nematology, Volume 52 , 1–10

Article | 21-July-2017

Acetic Acid, 2-Undecanone, and (E)-2-Decenal Ultrastructural Malformations on Meloidogyne incognita

metabolites, that is acetic acid, (E )-2-decenal, and 2-undecanone. The commercial nematicide fosthiazate acting on acetylcholinesterase was used as control.For this reason, scanning electron microscopy and transmission electron microscopy have been employed. The acetic acid mainly harmed the cuticle, degenerated the nuclei of pseudocoel cells, and vacuolised the cytoplasm. The (E)-2-decenal and 2-undecanone did neither harm to the cuticle nor the somatic muscles but they degenerated the


Journal of Nematology, Volume 48 , ISSUE 4, 248–260

Article | 21-July-2017

Optimum Concentrations of Trichoderma longibrachiatum and Cadusafos for Controlling Meloidogyne javanica on Zucchini Plants


Journal of Nematology, Volume 48 , ISSUE 1, 54–63

Article | 24-July-2017

Management of Root-knot Nematode (Meloidogyne incognita) onPittosporum tobira Under Greenhouse, Field, and On-farm Conditions in Florida

Root-knot nematodes are important pests of cut foliage crops in Florida. Currently, effective nematicides for control of these nematodes on cut foliage crops are lacking. Hence, research was conducted at the University of Florida to identify pesticides or biopesticides that could be used to manage these nematodes. The research comprised on-farm, field, and greenhouse trials. Nematicide treatments evaluated include commercial formulations of spirotetramat, furfural, and Purpureocillium lilacinum


Journal of Nematology, Volume 49 , ISSUE 2, 133–139

research-article | 26-April-2019

Control of Meloidogyne incognita in sweetpotato with fluensulfone

hazards, they are limited by regulatory restrictions related to the emission of volatile organic compounds (VOC) and their toxicity. Until recently, effective, environmentally acceptable, and economically viable alternatives were not available, and this has been an important factor in the continued use of soil fumigants (Noling and Becker, 1994; Becker, 2014). Fluensulfone (tradename: Nimitz, ADAMA Agricultural Solutions Ltd., Raleigh, NC) is a non-fumigant nematicide that is registered for use in

Antoon Ploeg, Scott Stoddard, J. Ole Becker

Journal of Nematology, Volume 51 , 1–8

research-article | 30-November-2019

New reduced-risk agricultural nematicides - rationale and review

 = succinate dehydrogenase inhibitors; LBI = Lipid Biosynthesis Inhibitor; c*Limited registration; **no longer available. Sources: Newhall (1955), Chitwood (2003);; The lack of nematicide research by industry from the 1960s to the last decade is in part due to the cryptic nature of nematodes, and the difficulty of recognizing and assessing impacts on crop yield, which often leads to an

Johan Desaeger, Catherine Wram, Inga Zasada

Journal of Nematology, Volume 52 , 1–16

research-article | 09-April-2020

Examine medicinal plants from South Africa for suppression of Meloidogyne incognita under glasshouse conditions

school gardens, as well as smallholder fields in SA showed that root-knot nematodes are the predominant biotic factor affecting the production of vegetables: 48 of 51 sites sampled were infested with root-knot nematodes (Mtshali et al., 2002). Most of the commercial tomato varieties grown in SA are susceptible to Meloidogyne incognita race 2 and M. javanica (Fourie et al., 2001). Nematicide application is usually effective in reducing plant-parasitic nematode population densities below damage

Mbokota Candy Khosa, Zakheleni Dube, Dirk De Waele, Mieke Stefanie Daneel

Journal of Nematology, Volume 52 , 1–7

research-article | 30-November-2020

Effect of fluensulfone on different functional genes of root-knot nematode Meloidogyne incognita

nematicides, and all the possible molecular targets (studied here) affected by the chemical have been discussed. Presumably, the multidimensional effect of this nematicide is achieved by direct action on the genes and/or pathways governing various physiological functions; or its action on the regulatory receptors and neuropeptides creating a functional imbalance of the downstream gene pool in an anti-narrow direction.

Alkesh Hada, Divya Singh, Kranti Kavalipurapu Veera Venkata Satyanarayana, Madhurima Chatterjee, Victor Phani, Uma Rao

Journal of Nematology, Volume 53 , 1–14

research-article | 30-November-2020

Slight induction and strong inhibition of Heterodera glycines hatching by short-chain molecules released by different plant species

Jeanny A. Velloso, Vicente P. Campos, Willian C. Terra, Aline F. Barros, Márcio P. Pedroso, Luma A. Pedroso, Letícia L. Paula

Journal of Nematology, Volume 53 , 1–12

research-article | 30-November-2020

Meloidogyne incognita management by nematicides in tomato production

restrictions have left oxamyl, a carbamate, as the remaining non-fumigant nematicide among older chemistry classes still labelled for tomato production in the United States. Because of the reliance on a small selection of older nematicides, the development of new tools for SRKN management is important. One group of new tools are the benzamide, non-fumigant nematicides, such as fluopyram. Fluopyram is a succinate dehydrogenase inhibitor (SDHI) that was first used as a fungicide (Cordova et al., 2017; Kandel

Zane J. Grabau, Chang Liu, Rebeca Sandoval-Ruiz

Journal of Nematology, Volume 53 , 1–12

research-article | 17-April-2019

Effect of spirotetramat and fluensulfone on population densities of Mesocriconema xenoplax and Meloidogyne incognita on peach

marketed as a safe broad-spectrum systemic insecticide and nematicide with a very low level of mammalian toxicity (>5,000 mg a.i./kg bw), used to control insects in multiple crops and nematodes in stone fruit and tree nuts. When sprayed on the leaf surface, spirotetramat hydrolyzes to its -enol form in the leaf tissue and then it is translocated through the phloem and xylem to both leaf and root apical meristems. Spirotetramat is a Group 23 lipid biosynthesis inhibitor; it acts on and reduces egg

Andrew M. Shirley, James P. Noe, Andrew P. Nyczepir, Phillip M. Brannen, Benjamin J. Shirley, Ganpati B. Jagdale

Journal of Nematology, Volume 51 , 1–10

Research Article | 03-September-2018

Activity of Vetiver Extracts and Essential Oil against Meloidogyne incognita

Kansiree Jindapunnapat, Nathan D. Reetz, Margaret H. MacDonald, Ganga Bhagavathy, Buncha Chinnasri, Noppamas Soonthornchareonnon, Anongnuch Sasnarukkit, Kamlesh R. Chauhan, David J. Chitwood, Susan L.F. Meyer

Journal of Nematology, Volume 50 , ISSUE 2, 147–162

research-article | 30-November-2020

The impact of chemical nematicides on entomopathogenic nematode survival and infectivity

soil studies have not been addressed. Our objectives, herein, were to investigate the effects of four nematicidal compounds viz. fluopyram, metam potassium, fosthiazate, and fenamiphos on S. carpocapsae and H. bacteriophora survival, virulence, and penetration efficacy after exposure to nematicides in aqueous suspensions as well as in nematicide-treated soil. A novel assay measuring chemotaxis was also conducted. In addition, we included the plant-parasitic nematode (PPN) Meloidogyne incognita, for

Mustapha Touray, Harun Cimen, Sebnem H. Gulsen, Derya Ulug, Dolunay Erdogus, David Shapiro-Ilan, Selcuk Hazir

Journal of Nematology, Volume 53 , 1–17

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