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  • Journal Of Nematology

 

research-article | 30-November-2020

Volatile compounds as potential bio-fumigants against plant-parasitic nematodes – a mini review

Plant-parasitic nematodes (PPNs) are one of the major constraints to crop production, and especially in high-value vegetable and fruit crops, they can cause significant economic yield loss, estimated to be more than US$100 billion annually (Bernard et al., 2017). Chemical soil fumigants have been in use for more than a century now, and remain the standard practice in many crops, especially fruits and vegetables. Although many of the early fumigants have been banned, the ones that have managed

Hung Xuan Bui, Johan A. Desaeger

journal of nematology, Volume 53 , 1–12

research-article | 16-April-2020

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

, stunting, and chlorosis (Lawrence and McLean, 2001; Blasingame et al., 2002; Robinson, 2007). Rotating to a non-host crop may provide short-term suppression of plant-parasitic nematodes in cotton production (Starr et al., 2002). For instance, crop rotation to a non-host like peanut (Arachis hypogaea) or corn (Zea mays) is an effective means to manage RN (Moore and Lawrence, 2012). Rotation to a non-host for one or more years can reduce RN populations below economic thresholds into the subsequent cotton

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

Journal of Nematology, Volume 52 , 1–14

research-article | 30-November-2019

Plant-parasitic nematodes associated with sugarcane in Kilimanjaro, Tanzania

despite the fact that plant-parasitic nematodes (PPN) can damage roots and reduce the length of cane stalks leading to sugarcane yield loss (Berry et al., 2008). Several studies have uncovered PPN diversity in sugarcane fields in countries such as Mauritius (Williams, 1960a, b), India (Sundararaj and Mehta, 1993), Kenya (Chirchir et al., 2008, Steven et al., 2014), South Africa (Berry et al., 2017), and Brazil (Noronha et al., 2017), revealing the most common PPN genera associated with sugarcane as

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

Journal of Nematology, Volume 52 , 1–17

Article | 05-December-2017

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

Plant-parasitic nematodes are important agricultural pests and often cause serious crop losses. Novel, environmental friendly nematicides are urgently needed because of the harmful effects of some existing nematicides on human health. 5-Aminolevulinic acid (ALA) was reported as a potential biodegradable herbicide, insecticide, or plant-growth promoting agent. Lack of information on ALA against plant-parasitic nematodes prompted this investigation to determine the effects of ALA on Meloidogyne

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-2018

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

Worldwide, alfalfa (Medicago sativa L.), a flowering plant belonging to the family Fabaceae, is cultivated as a forage crop (Tucak et al., 2008). It is the most important forage crop in Iran due to its superior feeding value for cattle, which is the main meat/protein food source (Tucak et al., 2008). The genus Medicago comprises many species, with up to 23 being cultivated in Iran (Ghanavati et al., 2007). A wide range of plant-parasitic nematodes have been associated with alfalfa crops in

Ebrahim Shokoohi, Phatu William Mashela, Fahimeh Iranpour

Journal of Nematology, Volume 51 , 1–14

research-article | 30-November-2019

First report of Xiphinema hunaniense Wang & Wu, 1992 (Nematoda: Longidoridae) in Vietnam

Huu Tien Nguyen, Thi Duyen Nguyen, Thi Mai Linh Le, Quang Phap Trinh

Journal of Nematology, Volume 52 , 1–4

research-article | 30-November-2018

Validation of the Chemotaxis of Plant Parasitic Nematodes Toward Host Root Exudates

and potential light effect. Lastly, the number of PPN relocated onto a center of the volcano deck was recorded at 12 and 18 hr post co-incubation. Plant parasitic nematodes Rotylenchulus reniformis, M. incognita, and H. glycines were cultured on the root of cotton, corn and soybean plants in the greenhouse. Forty five to 60 d after inoculation, cotton and corn roots were gently rinsed to remove the soil, and agitated for 4 min in 0.625% (w/v) NaOCl to extract the eggs of R. reniformis and M

Wenshan Liu, Alexis L. Jones, Heather N. Gosse, Kathy S. Lawrence, Sang-Wook Park

journal of nematology, Volume 51 , 1–10

research-article | 23-April-2020

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

), there are relatively few reports on the plant-parasitic nematode species associated with this crop. The hop cyst nematode (Heterodera humuli Filipjev) is the most well studied nematode associated with hop worldwide (De Grisse and Gillard, 1963), and has been reported in United States hop production in Pierce County, Washington (Cobb, 1962). Other plant-parasitic nematodes associated with hop in the United States include Meloidogyne hapla Chitwood and Xiphinema americanum Cobb, which were found

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

Journal of Nematology, Volume 52 , 1–10

research-article | 30-November-2020

The impact of chemical nematicides on entomopathogenic nematode survival and infectivity

Plant parasitic nematodes (PPNs) are problematic soil dwelling pests. They attack and cause severe mechanical and physiological damage to plant roots as ecto- and endo-parasites as they feed on the sap and tissues with their stylet mouthparts. Subsequent effects include negative impact on plant growth and yield and may lead to plant death due to the PPNs (Atkinson et al., 2012; Forghani and Hajihassani, 2020; McCarter, 2009). PPNs feeding activity may also lead to secondary infections by other

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

Journal of Nematology, Volume 53 , 1–17

research-article | 30-November-2019

First report of Meloidogyne hapla on kiwifruit in South Africa

Ebrahim Shokoohi, Phatu W. Mashela

Journal of Nematology, Volume 52 , 1–5

research-article | 06-November-2020

Morphological and molecular characterizations of Heterodera oryzae in Korea

exposed to various pests and diseases including soil bone plant pathogens such as plant-parasitic nematodes. Plant-parasitic nematodes have been documented as an important constraint to rice production in various parts of the world and can cause an estimated yield loss of 20 to 90% depending on the nematode species present country, season, crop variety, cultivation practices, and soil conditions (Gilces et al., 2016). The most important nematode species in rice production include Meloidogyne

Rose Mwesige, Eun-Hwa Kim, Eun-Hyung Park, Hyoung-Rai Ko

Journal of Nematology, Volume 52 , 1–12

research-article | 18-May-2020

First report of Rotylenchulus reniformis infecting turmeric in Vietnam and consequent damage

. In order to achieve a sustainable development of turmeric in these regions, it is vital that comprehensive plant-pathogen management strategies can be formulated and put into practice, including the management of plant-parasitic nematodes (Sikora et al., 2018). A number of nematode species have been reported associated with turmeric world-wide (Sikora et al., 2018; CABI, 2019), and Meloidogyne incognita and Rotylenchus reniformis in particular are known to be widely distributed and to cause

Huu Tien Nguyen, Quang Phap Trinh, Thi Duyen Nguyen, Wim Bert

Journal of Nematology, Volume 52 , 1–5

Article | 05-December-2017

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

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

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

research-article | 30-November-2019

Yellow and purple nutsedge and coffee senna as hosts of common plant nematodes in Florida

is a common weed in agronomic crops and is particularly important because its seeds contain animal toxins (Furlan et al., 2012). Weeds often serve as alternative hosts to plant-parasitic nematodes, thereby increasing their incidence and severity. In addition, they reduce the efficacy of nematode management tactics. For example, nutsedges and plant-parasitic nematodes are two of the most common soilborne pest problems in Florida vegetable production and often occur concomitantly (Rich et al., 2003

Maria de Lourdes Mendes, Donald W. Dickson, William T. Crow

Journal of Nematology, Volume 52 , 1–9

research-article | 30-November-2019

First report of Paratylenchus lepidus Raski, 1975 associated with green tea (Camellia sinensis (L.) Kuntze) in Vietnam

Thi Mai Linh Le, Huu Tien Nguyen, Thi Duyen Nguyen, Quang Phap Trinh

Journal of Nematology, Volume 52 , 1–4

Research Article | 26-September-2018

First Report of Matricidal Hatching in Bursaphelenchus xylophilus

The reproductive strategy of the pinewood nematode (PWN), Bursaphelenchus xylophilus, is sexual amphimictic and oviparous. The incidence of intrauterine egg development and hatching in plant-parasitic nematodes is not a very common phenomenon. During the process of maintaining and breeding a B. xylophilus population isolated in Spain under laboratory conditions, evidence of matricidal hatching was observed. This is the first described case of this phenomenon in this species.

ADELA ABELLEIRA, ALICIA PRADO, ANDREA ABELLEIRA-SANMARTÍN, PEDRO MANSILLA

Journal of Nematology, Volume 49 , ISSUE 4, 390–395

Research Article | 17-October-2018

Discovery and Identification of Meloidogyne Species Using COI DNA Barcoding

Thomas Powers, Timothy Harris, Rebecca Higgins, Peter Mullin, Kirsten Powers

Journal of Nematology, Volume 50 , ISSUE 3, 399–412

research-article | 30-November-2018

New Hosts and Records in Portugal for the Root-Knot Nematode Meloidogyne luci

ornamental plants, such as C. australis, were grown in infested soil, this will aid the transfer of plant-parasitic nematodes to new regions and/or other suitable hosts, with potential impact on economically important crops. Therefore, a survey for evaluation of M. luci distribution in Portugal is needed to decrease the risk of spread and to determine its potential economic impact. Figure 1: Esterase phenotypes of protein homogenates from five egg-laying females of Meloidogyne species isolates. C – M

Duarte Santos, António Correia, Isabel Abrantes, Carla Maleita

Journal of Nematology, Volume 51 , 1–4

research-article | 30-November-2020

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

increase the crop productivity (Neher, 1999). For plant-parasitic nematodes (hereafter PPNs), they are obligately tied to the presence and relative abundance of host plants, but like other nematodes, their relative abundances may be influenced by soil properties such as the relative amounts of sand, slit, and clay (Van Gundy, 1985). For example, high populations densities of Meloidogyne spp. are commonly found in sandy soils over those soils with a large percentage of clay (Prot and Gundy, 1981

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

Journal of Nematology, Volume 53 , 1–14

research-article | 30-March-2020

First report of the sting nematode Belonolaimus longicaudatus infecting bermudagrass in Barbados

presence of plant-parasitic nematodes. Four different soil samples were collected from the edge of the symptomatic patches in four greens by collecting 10 cores to a depth of 15 cm using a 0.5 cm diameter soil probe. Subsequently, soil samples were extracted using decanting and sugar centrifugal flotation technique (Jenkins, 1964). The results revealed the presence of the plant-parasitic sting nematode Belonolaimus longicaudatus. The population densities of the four greens were 35, 40, 80 and 90 sting

P. Mc Groary, W. Ye, E. Nangle

Journal of Nematology, Volume 52 , 1–2

research-article | 30-November-2020

First report and new molecular and morphological characterizations of root-knot nematode, Meloidogyne javanica, infecting ginger and long coriander in Vietnam

Root-knot nematodes belonging to the genus Meloidogyne are one of the most damaging plant-parasitic nematodes of the world (Jones et al., 2013). These nematodes parasitize thousands of plant species and cause significant yield loss (Agrios, 2005; CABI, 2020; Jones et al., 2013). Among more than 100 known species, the tropical (Meloidogyne arenaria (Chitwood, 1949; Neal, 1889), Meloidogyne incognita (Chitwood, 1949; Kofoid and White, 1919), and Meloidogyne javanica (Chitwood, 1949; Treub, 1885

Ke Long Phan, Thi Mai Linh LE, Huu Tien Nguyen, Thi Duyen Nguyen, Quang Phap Trinh

Journal of Nematology, Volume 53 , 1–8

research-article | 30-November-2020

Host status of morning-glory (Ipomoea spp.) to Meloidogyne species

the different plant-parasitic nematodes facing the different species of Ipomoea, it was found that M. enterolobii presenting the highest reproduction capacity with RF of 11.32 (Fig. 1). This value is about 70 and 62% higher than values found for M. arenaria and M. hapla, with an average RF of 3.44 and 4.32, respectively. For the other species, the mean RF varied from 4.42 to 8.62, values considered high, demonstrating to which species of the genus Ipomea are excellent multipliers of the root-knot

Tiago Edu Kaspary, Ismail Teodoro de Souza Júnior, Rodrigo Ferraz Ramos, Cristiano Bellé

Journal of Nematology, Volume 53 , 1–6

research-article | 30-November-2020

First report of Mesocriconema sphaerocephalum (Taylor, 1936) Loof, 1989 associated with wild grass in Botswana

Ebrahim Shokoohi

Journal of Nematology, Volume 53 , 1–5

research-article | 30-November-2018

First Report of Scutellonema brachyurus (Steiner, 1938) Andrassy, 1958 and Occurrence of Meloidogyne incognita (Kofoid & White, 1919) Chitwood, 1949 in Belgium

Recently, the presence of tropical nematodes has been reported from several Mediterranean or more southern European countries (Wesemael et al., 2011; EPPO, 2019). However, tropical nematodes do not yet pose a problem in the more northern parts of Europe, including Belgium. According to Bebber et al. (2013), there is clear evidence of a general, climate change-driven, poleward migration of pests and plant pathogens, a movement that can include tropical plant-parasitic nematodes. Interestingly

Huu Tien Nguyen, Quang Phap Trinh, Marjolein Couvreur, Phougeishangbam Rolish Singh, Wilfrida Decraemer, Wim Bert

journal of nematology, Volume 51 , 1–6

research-article | 17-March-2020

Molecular approach to confirm traditional identification of Radopholus similis sampled in Tanzania

Banana (Musa spp. L.) is a key food crop in rural and urban areas of the humid tropics, with an annual global production of up to 100mn tons (FAO, 2015). In East Africa, banana is widely consumed and provides approximately 10% of the calorific intake for more than 70mn people (Kilimo Trust, 2012). In Tanzania, in particular, it is a staple food and cash crop for more than 30% of the total population (Nkuba, 2007). Plant-parasitic nematodes (PPN) are the principal pests of banana in Tanzania

Doreen M. Mgonja, Gladness E. Temu, Joseph C. Ndunguru, Magreth F. Mziray, Sylvester L. Lyantagaye, Nessie D. Luambano

Journal of Nematology, Volume 52 , 1–8

research-article | 30-November-2018

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

nematodes are a major problem in this warm area with coastal sandy soils (Weingartner et al., 1993; Crow et al., 2000a). A wide variety of plant-parasitic nematodes are abundant in the area, but sting nematode (Belonolaimus longicaudatus) and the stubby-root nematodes, Paratrichodorus (Nanidorus) spp. and Trichodorus spp., are the most problematic (Perez et al., 2000; Crow et al., 2000b). Sting nematode is a very damaging pathogen of potato that stunts the root system, reducing tuber yield (Weingartner

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

Journal of Nematology, Volume 51 , 1–12

research-article | 17-March-2020

First report of a stunt nematode Tylenchorhynchus zeae on corn in Gansu Province, China

Stunt nematodes (Tylenchorhynchus spp.) are important plant parasitic nematodes that feed on a wide range of economic hosts. A survey of plant parasitic nematodes was performed in corn fields in May 2019, finding corn seedlings with symptoms like yellow leaves, dwarf plants and death plants in the field (N 37°07′36″, E 102°54′08″) of Baiyin City, Gansu Province, China. The rhizosphere soil samples and roots of diseased plants were collected. Each soil sample was about 1 kg consisted of over 20

Zhi Peng Xu, Hui Xia Li, Yong Gang Liu, Bao Cang Ren, Chun Hui Ni, Jin Hui Ma

Journal of Nematology, Volume 52 , 1–2

Article | 03-December-2017

Morphological and Molecular Identification of Longidorus euonymus and Helicotylenchus multicinctus from the Rhizosphere of Grapevine and Banana in Greece

Plant-parasitic nematodes such as Longidorus euonymus and Helicotylenchus multicintctus are species widely distributed in central Europe as well as in Mediterranean area. In Greece, both species have been previously reported but no morphometrics or molecular data were available for these species. Nematode surveys in the rhizosphere of grapevines in Athens carried out in 2016 and 2017, yielded a Longidorus species identified as Longidorus euonymus. Similarly, a population of Helicotylenchus

EMMANUEL A. TZORTZAKAKIS, CAROLINA CANTALAPIEDRA-NAVARRETE, PABLO CASTILLO, JUAN E. PALOMARES-RIUS, ANTONIO ARCHIDONA-YUSTE

Journal of Nematology, Volume 49 , ISSUE 3, 233–235

research-article | 26-March-2021

First report of Bitylenchus ventrosignatus (Tobar Jiménez, 1969) Siddiqi, 1986 associated with wild grass in Botswana

Ebrahim Shokoohi

Journal of Nematology, Volume 53 , 1–9

Article | 21-July-2017

Species Delimitation and Description of Mesocriconema nebraskense n. sp.(Nematoda: Criconematidae), a Morphologically Cryptic, Parthenogenetic Species from North American Grasslands

MAGDALENA OLSON, TIMOTHY HARRIS, REBECCA HIGGINS, PETER MULLIN, KIRSTEN POWERS, SEAN OLSON, THOMAS O. POWERS

Journal of Nematology, Volume 49 , ISSUE 1, 42–66

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

of Agriculture National Agriculture Statistics Service USDA NASS, 2019). Tremendous potential for expansion exists with support for local food production systems. Improving pest and disease management strategies could further bolster yields and stimulate agribusinesses in Hawaii. Plant-parasitic nematodes are detrimental pests that adversely affect plant health and yields in fruit and vegetable crops. Of particular importance are root-knot (Meloidogyne spp.) and reniform (Rotylenchulus reniformis

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

Journal of Nematology, Volume 53 , 1–15

research-article | 17-March-2020

Fungal communities associated with Heterodera glycines and their potential in biological control: a current update

nematodes is as old as nematology itself, as Nathan Cobb, the father of nematology, first suggested using predatory nematodes to control plant-parasitic nematodes (Cobb, 1917). Biological control or biocontrol is scientifically attractive goal, albeit often not as commercially successful in most cases compared to chemical control methods. It has become increasingly attractive since methyl bromide has been proven harmful to the environment, livestock and humans and subsequently banned from use (Duniway

Deepak Haarith, Kathryn E. Bushley, Senyu Chen

Journal of Nematology, Volume 52 , 1–17

research-article | 30-November-2018

Nematicidal activity of fipronil against Pratylenchus zeae in sugarcane

Sugarcane (Saccharum spp. hybrids) is an economically important crop in subtropical and tropical regions. Okinawa is located in the subtropical region in Japan and half of its farmland acreage is used for sugarcane cultivation. Many remote islands in Okinawa are economically reliant on sugarcane-related industries. Plant-parasitic nematodes are one of the major yield limiting factors of sugarcane production (Cadet and Spaull, 2005). Previous studies revealed that 20 to 30% sugarcane yield

Masanori Kawanobe, Koki Toyota, Takashi Seko, Koshi Gunjima

Journal of Nematology, Volume 51 , 1–14

research-article | 30-November-2019

Morphological and molecular characterization of Heterodera dunensis n. sp. (Nematoda: Heteroderidae) from Gran Canaria, Canary Islands

Phougeishangbam Rolish Singh, Gerrit Karssen, Marjolein Couvreur, Wim Bert

Journal of Nematology, Volume 52 , 1–14

research-article | 22-February-2021

Rotylenchus wimbii n. sp. (Nematoda: Hoplolaimidae) associated with finger millet in Kenya

Phougeishangbam Rolish Singh, Gerrit Karssen, Kelvin Gitau, Cecilia Wanjau, Marjolein Couvreur, Njira Njira Pili, Godelieve Gheysen, Wim Bert

Journal of Nematology, Volume 53 , 1–14

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-2019

Festulolium and fungal endophyte associations: host status for Meloidogyne incognita and nematotoxic plant extracts

agriculture farming systems have led to the commercialization of many loline-producing endophyte strains of E. uncinata, including the U2 endophyte strain used in the current study. In contrast to lack of toxicity to grazing mammals, the loline alkaloids produced by E. uncinata may be a feeding deterrent, or toxic, to a wide range of insect pests (Riedell et al., 1991; Matsukura et al., 2012; Barker et al., 2015a, b; Nboyine et al., 2017). However, studies with plant-parasitic nematodes and lolines

Susan L. F. Meyer, Brian J. Patchett, Timothy J. Gillanders, Mihail R. Kantor, Patricia Timper, Margaret H. MacDonald

Journal of Nematology, Volume 52 , 1–16

research-article | 11-March-2021

Morphological and molecular characters of Scutellonema brachyurus (Steiner, 1938) Andrássy, 1958 from South Africa

Ebrahim Shokoohi

journal of nematology, Volume 53 , 1–13

research-article | 30-November-2019

Effect of seed-applied fluopyram on Meloidogyne incognita infection and maturity in cotton and soybean

use of seed-applied nematicides have increased in row crop agriculture. One of the more recent nematicides registered (2014) for use in cotton and soybean is fluopyram (Environmental Protection Agency (EPA), 2014). Fluopyram is a succinate dehydrogenase inhibitor fungicide that has been reported to affect the motility of M. incognita and other plant-parasitic nematodes (Faske and Hurd, 2015; Heiken, 2017; Beeman and Tylka, 2018). However, the field efficacy of fluopyram has been variable in M

Tracy Hawk, Travis R. Faske

Journal of Nematology, Volume 52 , 1–7

research-article | 30-November-2018

Swine manure application enriches the soil food web in corn and soybean production

management of plant-parasitic nematodes is necessary to optimize crop productivity (Grabau and Chen, 2016a, 2016b) and non-parasitic, free-living nematodes contribute to and are sensitive indicators of soil fertility and ecology (Bongers, 1990; Ferris et al., 2001). In particular, soybean cyst nematode (Heterodera glycines) is the major yield-limiting pest in soybean production (Koenning and Wrather, 2010). Additional strategies to manage this pest are needed because management relies on a narrow set of

Zane J. Grabau, Yong Bao, Jeffrey A. Vetsch, Senyu Chen

Journal of Nematology, Volume 51 , 1–14

research-article | 30-November-2018

Integrative taxonomy of Xiphinema histriae and Xiphinema lapidosum from Spain

The genus Xiphinema Cobb, 1913 is a large and morphologically diverse group of plant-parasitic nematodes comprising more than 275 species (Archidona-Yuste et al., 2016a, 2016b; Peraza-Padilla et al., 2018). The economic importance of this group of nematodes is not only because of its extensive range of host plants and worldwide distribution, but for the transmission of several important plant viruses (genus Nepovirus, family Comoviridae) that cause direct damage to a wide variety of crops

Ruihang Cai, Antonio Archidona-Yuste, Carolina Cantalapiedra-Navarrete, Juan E. Palomares-Rius, Jingwu Zheng, Pablo Castillo

Journal of Nematology, Volume 51 , 1–21

research-article | 30-November-2018

Temporal expression patterns of Pasteuria spp. sporulation genes

Some of the obligate, endoparasitic, spore-forming species of the bacteria Pasteuria spp. are antagonistic to plant parasitic nematodes. Pasteuria spp. is highly host specific; not all isolates of a given species will adhere to all phytoparasitic nematodes, and not all the endospores that adhere will germinate and infect the nematode (Mohan et al., 2012). Host specificity remains an essential barriers in deploying Pasteuria penetrans as a successful biological agent to combat agriculturally

Ruhiyyih Dyrdahl-Young, Weiming Hu, Peter DiGennaro

Journal of Nematology, Volume 51 , 1–8

research-article | 30-November-2018

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

successfully, representing of the usefulness of morphometric analysis among the specific species of Pratylenchus. Concerning to other plant-parasitic nematodes, Fortuner (1984) noted that the indices a, c, and c’ are often useful to accurately identify species of Helicotylenchus (Steiner, 1945). Fortuner (1990) also revealed that the features related to body size (length and indices of a and b) showed a high correlation to each other for Hirschmanniella belli. Subbotin et al. (1999) also stated that

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

Journal of Nematology, Volume 51 , 1–26

research-article | 17-March-2020

Silver nanoparticles as a potential nematicide against Meloidogyne graminicola

biocontrol agents of plant-parasitic nematodes are few and offer limited choice. Carbofuran has been used widely in the recent times, but is slated to be phased out in near future. Environmentally benign chemical nematicides do not exist. Summer solarization of nursery beds is very effective but it is beset with certain limitations, such as being less effective in non-tropical and high rainfall regions. Moreover, rice is cultivated in multiple seasons in many areas and solarization is not possible in

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

Journal of Nematology, Volume 52 , 1–9

research-article | 06-November-2020

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

Bermudagrass (Cynodon spp.) is one of the most commonly grown turfgrass species in the southern United States, and is very susceptible to a wide range of plant-parasitic nematodes (Crow, 2005). Examples of genera known to parasitize turfgrass in the United States include Belonolaimus longicaudatus, Rau (sting nematode), Criconemoides spp. (ring nematode), Helicotylenchus spp. (spiral nematode), Hoplolaimus spp., Cobb (lance nematode), and Meloidogyne spp. (root-knot nematode) (Sikora et al

Will L. Groover, Kathy S. Lawrence

Journal of Nematology, Volume 52 , 1–13

research-article | 30-November-2019

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

). The most important yam species cultivated for food are D. rotundata Poir., D. cayenensis Lam., D. alata L., D. dumetorum (Kunth) Pax., D. bulbifera L. and D. esculenta (Lour.) Burk. Also, yam plays an important socio-cultural role among communities and its cultivation and sale serve as a major income-generating activity for the people in yam-growing areas (Onwueme and Charles, 1994). Yam production is constrained by numerous biotic factors, however, of which plant-parasitic nematodes are among the

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-2020

First report of northern root-knot nematode, Meloidogyne hapla (Chitwood, 1949) on strawberry in Turkey

Adem Özarslandan, Dilek Dinçer, Şefika Yavuz, Ayşenur Aslan

Journal of Nematology, Volume 53 , 1–4

research-article | 30-November-2020

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

turfgrass (Taliaferro, 1995). The warm and humid weather of the region makes this the ideal geography for bermudagrass growth and production. One of the major pest issues for bermudagrass management in the southeast is plant-parasitic nematodes. A 2005 survey of golf courses in Florida found that over 80% of courses sampled were infested with plant-parasitic nematodes at potentially damaging levels (Crow, 2005). In Alabama, at least 10 genera of plant-parasitic nematodes have been recovered in routine

Will L. Groover, Kathy S. Lawrence

Journal of Nematology, Volume 53 , 1–14

research-article | 12-April-2021

Bionematicides as an alternative to methyl bromide fumigation

crops is through prolonging the life of existing orchards. The longer an orchard remains healthy and productive, the less often it will be terminated, fumigated, and replanted. Over time, this reduces the amount of fumigant used. In addition to fumigation, a variety of approaches have been researched for management of plant-parasitic nematodes including development of pre-plant hot water treatments of rootstocks, evaluation of rootstock susceptibility, and evaluation of biological products (Buzo et

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

Journal of Nematology, Volume 53 , 1–10

research-article | 30-November-2020

Endophytic Beauveria bassiana increases galling of ‘Rutgers’ tomato roots with Meloidogyne incognita

More than 4,100 species of plant-parasitic nematodes have been identified (Decraemer and Hunt, 2006) and worldwide economic losses due to crop damage have been estimated at $80 to $118 billion dollars per year (Nicol et al., 2011; Sasser and Freckman, 1987). Plant parasitic nematodes that feed on plant roots cause direct damage by reducing nutrient and water flow (Bernard et al., 2017; Nicol et al., 2011; Sasser and Freckman, 1987; Schouteden et al., 2015), and indirect damage by providing

Shalini Yerukala, Ernest C. Bernard, Kimberly D. Gwinn, David M. Butler, Parwinder S. Grewal, Bonnie H. Ownley

Journal of Nematology, Volume 53 , 1–16

Report | 21-July-2017

First Report of the Spiral Nematode Helicotylenchus microlobus Infecting Soybean in North Dakota

Spiral nematodes (Helicotylenchus spp.) are common plant-parasitic nematodes in fields of many crops. In June 2015, two soil samples were collected from a soybean field in Richland County, ND. Nematodes were extracted from soil using the sugar centrifugal flotation method ( Jenkins, 1964). Plant-parasitic nematodes were identified to genus based on morphological features and counted. Both samples contained spiral nematodes from 1,500 to 3,300 per kilogram of soil. In June and August

GUIPING YAN, ADDISON PLAISANCE, DANQIONG HUANG, ZAFAR A. HANDOO

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

research-article | 06-November-2020

Mist chamber extraction for improved diagnosis of Meloidogyne spp. from golf course bermudagrass

flasks. In addition to extracting Meloidogyne spp., the NAL has found mist extraction from turf plugs to be well suited for extracting certain other genera of plant-parasitic nematodes. The NAL is using this as their standard method to extract Anguina pacificae, a species that does not occur on turf in Florida, from California golf course samples. Mist extraction from turf plugs is currently being evaluated for diagnosis of Hoplolaimus spp. from golf course bermudagrass in Florida (Crow, 2020). While

William T. Crow, Alemayehu Habteweld, Thomas Bean

Journal of Nematology, Volume 52 , 1–12

research-article | 30-November-2020

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

Over 4,100 species of plant-parasitic nematodes (PPNs) pose a major threat to the present day agriculture accounting an estimated yield loss of US$ 173 billion every year (Decraemer and Hunt, 2006). Amongst the top 10 PPN species that cause majority of the economic damage worldwide, root-knot nematodes (RKNs) of genus Meloidogyne are considered to be the most severe (Elling, 2013; Jones et al., 2013). The second-stage juveniles (J2s) of RKNs enter the plant roots and develop permanent feeding

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

Journal of Nematology, Volume 53 , 1–14

research-article | 17-April-2019

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

., Citrus spp., and Juglans spp. and observed that the populations of Xiphinema spp. and M. xenoplax were reduced 36 and 56 d after treatment, respectively. It was also observed that 50% of the population of all plant-parasitic nematodes, including Meloidogyne spp., were reduced if irrigation was withheld for up to 2 wk (McKenry et al., 2009). Smiley et al. (2011) applied spirotetramat at 0.088 kg a.i./ha to wheat fields that were infested with the cyst nematode, Heterodera avenae, and found that

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 | 19-March-2020

Effect of an Alltech soil health product on entomopathogenic nematodes, root-knot nematodes and on the growth of tomato plants in the greenhouse

In the context of food security for an ever increasing global population, nematodes pose serious threat to agricultural crops worldwide (Miamoto et al., 2017). There are nearly 4,100 species of plant parasitic nematodes (PPN) reported to date that are currently a serious constraint for global food security (Jaouannet et al., 2013) causing yield loss of about 30% in susceptible crop varieties annually (tomatoes, eggplant, and melons) (Padgham et al., 2004; Collange et al., 2011). Among these

Anusha Pulavarty, Karina Horgan, Thomais Kakouli-Duarte

Journal of Nematology, Volume 52 , 1–10

research-article | 24-April-2020

Differences in parasitism of root-knot nematodes (Meloidogyne spp.) on oilseed radish and oat

Management of plant-parasitic nematodes in vegetable plasticulture or bare-ground systems in the southern US relies heavily on pre-plant fumigation of soil with 1,3-dichloropropene (Telone II), Chloropicrin or metam sodium (Vapam), followed by in-season application of non-fumigant nematicides (Hajihassani, Davis, and Timper, 2019). One of the alternative management methods is the use of nematode-suppressive cover/trap crops to reduce nematode populations in soil. However, the majority of oilseed and oat

Negin Hamidi, Abolfazl Hajihassani

Journal of Nematology, Volume 52 , 1–10

research-article | 30-November-2020

Organic fertilization influences nematode diversity and maturity index in coffee tree plantations using an agroforestry system

value of 1 are excluded. The Maturity Index is considered a measure of environmental disturbance, and low MI values indicate disturbed and enriched environments while high MI values indicate stable environments (Bongers, 1990). Due to the functionality of plant-parasitic nematodes in the agroecosystem, this group is used to calculate the level of anthropic disturbance using PPI (Bongers, 1990). The equation used to calculate MI, MI 2–5 and PPI is ∑[v(i) × pi], where v(i) corresponds to the c-p value

JOL Vieira Júnior, RC Pereira, RL Soto, IM Cardoso, EA Mondino, RLL Berbara, E Sá Mendonça

Journal of Nematology, Volume 53 , 1–13

research-article | 30-November-2018

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

cultivation brought by European settlers. Presently it is not clear which species were introduced to the region, and which might have existed on native grasses prior to European settlement. An early study of nematode community composition of the tallgrass prairie in Kansas recorded 228 species from 80 genera, including 23 genera of plant parasitic nematodes and two Pratylenchus species, P. coffeae (Zimmermann, 1898) Filipjev & Schuurmans Stehoven, 1941 and P. penetrans (Orr and Dickerson, 1967). Four

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

Journal of Nematology, Volume 51 , 1–21

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

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 | 26-September-2018

Control of Globodera spp. Using Brassica juncea Seed Meal and Seed Meal Extract

traditional B. juncea seed meal, as alternate eradication strategies. This is the first report on the efficacy of B. juncea seed meal extract against plant-parasitic nematodes. Rates of B. juncea seed meal greater than 2.2 t/ha and 4.5 t/ha for G. pallida and G. ellingtonae, respectively, were required for egg hatch suppression, as determined by a potato root diffusate (PRD) bioassay. Reproduction of G. pallida on potato after exposure to B. juncea seed meal at a rate of 2.2 t/ha was also significantly

LOUISE-MARIE DANDURAND, MATT J. MORRA, INGA A. ZASADA, WENDY S. PHILLIPS, INNA POPOVA, COLE HARDER

Journal of Nematology, Volume 49 , ISSUE 4, 437–445

Research Article | 03-December-2018

Effects of vermicompost water extract prepared from bamboo and kudzu against Meloidogyne incognita and Rotylenchulus reniformis

both trials. Although both VCTs did not reduce the number of M. incognita and R. reniformis in soil, weed VCT did increase omnivorous nematodes in the second trial, indicating a gradual improvement of soil food web structure through VCT drenching over time. Overall, performance of weed VCT was more consistent than vegetable VCT for plant-parasitic nematodes suppression.

Xiaodong You, Motoaki Tojo, Shelby Ching, Koon-Hui Wang

Journal of Nematology, Volume 50 , ISSUE 4, 569–578

research-article | 30-November-2018

Identification of Suitable Meloidogyne spp. Housekeeping Genes

). HK genes are often used as endogenous references to normalize the variations in RT-qPCR experiments (Jian et al., 2008). However, under conditions such as heat stress, viral infection, and cancer development, the expression of HK genes of animals can vary (Sahu et al., 2018). The utilization of invalidated reference genes results in unreliable and misleading conclusions. There is an urgent need to discover and validate suitable HK genes for plant-parasitic nematodes to ensure accurate

Weiming Hu, Peter M. DiGennaro

journal of nematology, Volume 51 , 1–11

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

Conservation agriculture (CA) based on the principles of minimum soil disturbance, crop residue retention, and crop rotation has been the focus of intensive research in recent years. A study was carried out to determine the effects of tillage and fertilizer on the population densities of plant-parasitic nematodes in maize. Three tillage regimes, (i) basin planting, (ii) rip line seeding, and (iii) conventional tillage, were combined with four fertilizer regimes: (i) no-fertilizer, (ii) low

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

research-article | 30-November-2018

Resistance and tolerance reactions of winter wheat lines to Heterodera filipjevi in Turkey

(the plant’s ability to withstand infection and produce yields despite the CCN attack) (Smiley et al., 2004). However, on a global scale, there are very few programs working to breed for nematode resistance in wheat. Plant parasitic nematodes are considered to be one of the leading destructive diseases attacking wheat and cause significant yield losses (Dababat and Hendrika, 2018). As yield loss to nematodes presents a clear obstacle to achieving the goal of increased cereal production, a targeted

Abdelfattah A. Dababat

Journal of Nematology, Volume 51 , 1–12

research-article | 30-November-2018

Hatching and Mortality of Meloidogyne enterolobii Under the Interference of Entomopathogenic Nematodes In vitro

several phytosanitary problems, among them, phytopathogenic nematodes (Rosa et al., 2015). Plant parasitic nematodes have become one of the main problems in the olericulture cultivation in general. Among these, the Meloidogyne spp. genus representes the group of greater importance (Silva et al., 2014). The species of this genus can cause 100% losses in the production and therefore are considered one of the most harmful in the olericulture cultivation (Kurozawa and Pavan, 2005; Perry and Moens, 2006

Alixelhe Pacheco Damascena, Júlio César Antunes Ferreira, Marylia Gabriella Silva Costa, Luis Moreira de Araujo Junior, Silvia Renata Siciliano Wilcken

journal of nematology, Volume 51 , 1–8

Article | 21-July-2017

First Report of the Carolina Spiral Nematode, Scutellonema brachyurus, from Soil of a Garden in Crete, Greece

Members of the genus Scutellonema can cause substantial crop losses to ornamental and cultivated plants directly by feeding ectoparasitically on plant roots (Bridge et al., 2005; Coyne et al., 2006). In May 2015, a soil sample from a house garden from Heraklion city in Crete, Greece, was sent for diagnosis of plant-parasitic nematodes. In this place, there had been cactus (Opuntia sp.) plants (probably imported), which were uprooted 3 to 4 years earlier. After that, the area was

EMMANUEL A. TZORTZAKAKIS, CAROLINA CANTALAPIEDRA-NAVARRETE, ANTONIO ARCHIDONA-YUSTE, JUAN E. PALOMARES-RIUS, PABLO CASTILLO

Journal of Nematology, Volume 48 , ISSUE 1, 7–7

Article | 21-July-2017

First Report of the Spiral Nematode Rotylenchus incultus (Nematoda: Hoplolaimidae) from Cultivated Olive in Tunisia, with Additional Molecular Data on Rotylenchus eximius

Spiral nematode species of the genus Rotylenchus have been reported on olive (Olea europaea L.) in several Mediterranean countries (Castillo et al., 2010; Ali et al., 2014). Nematological surveys for plant-parasitic nematodes on olive trees were carried out in Tunisia between 2013 and 2014, and two nematode species of Rotylenchus were collected from the rhizosphere of olive cv. Chemlali in several localities of Tunisia (Tables 1,2). Twenty-two soil samples of 3 to 4 kg were collected with a

ILHEM GUESMI-MZOUGHI, ANTONIO ARCHIDONA-YUSTE, CAROLINA CANTALAPIEDRA-NAVARRETE, HAJER REGAIEG, NAJET HORRIGUE-RAOUANI, JUAN E. PALOMARES-RIUS, PABLO CASTILLO

Journal of Nematology, Volume 48 , ISSUE 3, 136–138

Article | 21-July-2017

First Report of Longidorus kuiperi and Rotylenchus eximius from Coastal Sand Dunes in Crete, Greece

Plant-parasitic nematode species have been reported on several occasions from coastal sand dunes, including Longidorus and Rotylenchus species (Vovlas et al., 2008; De Luca et al., 2009; Mateille et al., 2014). In April 2016, 10 soil samples of 3 to 4 kg from the rhizosphere of Tamarix smyrnensis with different vegetation around (viz. Elymus farctus, Lycium schweinfurthii, Crithmum maritimum, and Arthrocnemum sp.) were collected for diagnosis of plant-parasitic nematodes. The area of sampling

EMMANUEL A. TZORTZAKAKIS, CAROLINA CANTALAPIEDRA-NAVARRETE, ANTONIO ARCHIDONA-YUSTE, JUAN E. PALOMARES-RIUS, PABLO CASTILLO

Journal of Nematology, Volume 48 , ISSUE 3, 135–135

Research Article | 17-October-2018

First Report of the Yellow Nutsedge Cyst Nematode, Heterodera cyperi, in Georgia, U.S.A.

Soil samples collected during a survey for plant-parasitic nematodes in Tift County GA in summer 2017 were submitted for routine diagnosis of nematodes to the Extension Nematology Lab at the Department of Plant Pathology, University of Georgia, Athens, Georgia. Cyst nematodes recovered by centrifugal flotation technique were discovered in the samples from two research sites in a field with a history of tobacco and vegetable production. Cyst nematodes from tobacco (10 cysts/100 cm3 of soil) and

Abolfazl Hajihassani, Bhabesh Dutta, Ganpati B. Jagdale, Sergei A. Subbotin

Journal of Nematology, Volume 50 , ISSUE 3, 456–458

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