Articles
280 open-access articles · page 1 of 14
Research ArticleOccurrence and Distribution of Plant-Parasitic Nematodes in Okra Fields of Prayagraj District, Uttar Pradesh, India
Aditya Sharma, Hemlata Pant
A survey was conducted to investigate root-knot nematode presence and distribution of plant-parasitic nematode genera in okra fields across various sections of the Prayagraj district in Uttar Pradesh. Four blocks were selected for the study, which included Bah…
15 Sept 2026DOI 10.17582/journal.pjn/2026/44.2.124.129
Research ArticleNematode Associations and Infections of Certain Tropical Fruit Species Newly Introduced to Egypt
Amr A. El-Sherbiny, Sandy E. Hammad
An extensive field survey was undertaken from May, 2023 to December, 2025 to survey phytoparasitic nematode genera associated with the rhizospheres of the tropical fruit species namely Actinidia deliciosa, Ananas comosus, Dimocarpus longan, Litchi chinensis, M…
26 Aug 2026DOI 10.17582/journal.pjn/2026/44.2.103.115
Research ArticleEarthworms and Nematodes as Drivers of Soil Fertility and Metal Cycling
Mzia Kokhia, Eka Tskitishvili, Oleg Gorgadze
The ecological interactions of earthworms and nematodes profoundly shape soil fertility. These invertebrates regulate nutrient cycling, microbial activity, and soil structure, thereby sustaining plant growth and agricultural productivity. Vermitechnology has e…
26 Aug 2026DOI 10.17582/journal.pjn/2026/44.2.116.123
Research ArticleRelative Susceptibility of Seedlings of Certain Local and Imported Date Palm Cultivars Against Root- Knot Nematode, Meloidogyne incognita in Egypt
Mahmoud M.A. Youssef, Wafaa M.A. El-Nagdi, Mohamed Fahmy M. Eissa
Date palm, Phoenix dactylifera L., is attacked by numerous pests and diseases of which root -knot nematodes wherever are occurred causing damage to its yield quality and quantity. Due to little work done on date palm and genetic variation in open field in Egyp…
13 Jul 2026DOI 10.17582/journal.pjn/2026/44.1.97.102
Research ArticlePotential of Acetyl-CoA Carboxylase Inhibitors as Nematicides Against Southern Root-Knot Nematode, Meloidogyne incognita (Kofoid and White, 1919): In vitro and Semi-Field Studies
Aida M. El-khouly, Mohamed S. Khalil, Shady Selim
The management of plant-parasitic nematodes such as root-knot nematodes (Meloidogyne spp.) has been one of the most important research priorities over the last two decades. Chemical nematicides are the primary control method used by farmers against RKNs. Howev…
12 Jun 2026DOI 10.17582/journal.pjn/2026/44.1.68.76
Short CommunicationGenetic Characterization of Species of the Genus Mesorhabditis (Rhabditida: Rhabditidae) Osche, 1952
Turopova Mukhlisa, Bekmurodov Abdujabbor, Amirov Oybek, Ismatov Azamat, Egamberdiyev Mehmonjon, Jumaqulova Guzal
This study presents a genetic characterization and phylogenetic analysis of nematode species belonging to the genus Mesorhabditis Osche, 1952, collected from wild rosehip (Rosa canina L.) in the Surkhandarya region of southern Uzbekistan. Specimens of M. spicu…
12 Jun 2026DOI 10.17582/journal.pjn/2026/44.1.77.86
Research ArticleEnvironmental Impact of Olive Mill Waste and Some Natural Compounds in Root-Knot Nematode Meloidogyne incognita Resistance on Grapevines
Dina, S. S. Ibrahim, Ahmed M. Elbaalawy, Sahar H. Abdel-Baset, Rania H. Wahdan
Olive mill waste (OMW) represents both an environmental challenge and a potential biotechnological resource due to its high organic load and phenolic content. This study investigated the nematicidal efficacy of compost, fermented OMW, Pseudomonas fluorescens,…
12 Jun 2026DOI 10.17582/journal.pjn/2026/44.1.87.96
Research ArticleDiversity and Ecological Roles of Bacteriophagous and Omnivorous Nematodes in Potato Soils of Algeria (Ain Defla)
Meziane Boukhatem Malika, Ali-Arous Samir, Bradai Abdelhamid, Madani Nacira, Medjahed Khaldia, Lankri Elhassen et al.
Nematodes play a crucial role in soil ecosystems, contributing to nutrient cycling and providing protection for plants. This study examined the diversity and potential biological roles of nematodes associated with potato (Solanum tuberosum L.) fields in Ain De…
26 May 2026DOI 10.17582/journal.pjn/2026/44.1.58.67
Research ArticleOpen-Field Evaluation of Jojoba (Simmondsia chinensis) Oil Emulsion and Its Seed Cake for Biological Control of Root-Knot Nematode (Meloidogyne incognita) in Hybrid Watermelon (Giza Type)
Rehab Y. Ghareeb, Shawky M. Eid, Soliman A. Omran
Root-knot nematodes (Meloidogyne incognita) are a major constraint to watermelon production. This study evaluated the nematicidal potential of jojoba (Simmondsia chinensis) oil emulsion (JOE) and seed cake (JSC) under open-field conditions. Physicochemical ana…
14 Apr 2026DOI 10.17582/journal.pjn/2026/44.1.48.57- Short Communication
Crop Rotation and its Effect on Nematodes Population
Habibeh Jabbari
In order to investigate the effect of crop rotation on nematode population, soil sampling was carried out from the fields of the National Wheat Project of the National Rainfed Agricultural Research Institute, Maragheh-East Azerbaijan. Nematodes were extracted…
31 Mar 2026DOI 10.17582/journal.pjn/2026/44.1.45.47 
Research ArticleBiocontrol Potential of Red Sea Algae Liagora farinosa and Galaxaura elongata Against Meloidogyne incognita on Tomato
Marwa M. El-Deriny, Sahar H. Abdel-Baset, Doaa A. Abou El-Atta, Sandy E. Hammad
Tomato cultivation suffers significant financial losses due to the root-knot nematode (Meloidogyne incognita), while chemical nematicides pose health and environmental hazards. The effectiveness of methanolic extracts from two red algae, Liagora farinosa and G…
6 Mar 2026DOI 10.17582/journal.pjn/2026/44.1.23.33
Research ArticleA New Species of Entomopathogenic Nematode Oscheius anaseuli n. sp. (Nematoda: Rhabditidae) from West Georgia (Caucasus)
Oleg Gorgadze, Mzia Kokhia, Madona Kuchava
A new species of the entomopathogenic nematode Oscheius anaseuli n. sp. was isolated from a soil sample from a nut orchard in the village Anaseuli, Guria Region, West Georgia. Morphological studies were carried out using an optical microscope, which confirmed…
6 Mar 2026DOI 10.17582/journal.pjn/2026/44.1.34.44
Research ArticleCombining Freshly-Harvested Green Leaves of Medicinal Morinda lucida, Azadirachta indica and Vernonia amygdalina for Effective Management of Diverse Invasive Soil-Borne Crop-Damaging Phytoparasitic Nematodes Reduced Okra (Abelmoschus esculentus) Plant Bio
William K. Heve, Nechamah N.O. Aryee, Abigail M. Norvor
This study examined whether multiple combinations of freshly-harvested green leaves of medicinal brimstone, neem and bitter leaf trees against phytoparasitic nematodes (PPNs) could be complementary to improve okra plant biomass (OPB). Therefore, field evaluati…
1 Mar 2026DOI 10.17582/journal.pjn/2026/44.1.06.22- Research Article
Enzymatic Changes in Pomegranate Cultivars Infected with Phyto-Nematode Species with Emphasis on Role of Humic Acid Products in Controlling Root-Knot Nematode
Hosny H. Kesba, Sherif M. El-Ganainy, Shaimaa F. Diab, Abdullah A. Abdel-Rahman
Two pot experiments were conducted under greenhouse conditions. The first, three pomegranate cultivars (Assuity, Manfalouty, and Wonderful) were screened for Meloidogyne incognita, Rotylenchulus reniformis, and Helicotylenchus indicus reproductivity according…
19 Dec 2025DOI 10.17582/journal.pjn/2025/43.2.194.207 
Research ArticleEffect of Aqueous Extracts of Some Aromatic Plants on the Main Parasitic Nematodes of Banana (Musa spp.) In Vitro
Gnénakan Yéo, Seydou Tuo, Lassina Fondio
Banana cultivation is subject to several constraints, including nematodes. A study was conducted in the laboratory to identify plants that have nematicidal effects. Aqueous extracts of four aromatic plants (Cymbopogon citratus, Ocimum gratissimum, Azadir…
19 Dec 2025DOI 10.17582/journal.pjn/2025/43.2.187.193
Research ArticleFirst Report of Root-Knot Nematode, Meloidogyne javanica from Wisteria sinensis in Razavi Khorasan Province, Iran
Fatemeh Shekari Mahoonaki, Fatemeh Azad-Disfani, Majid Shahi-Bajestani
Because of the significance of root-knot nematodes, the Meloidogyne species were recognized in the green spaces of Khorasan Razavi Province (Mashhad, Iran) using soil and plant samples collected from the rhizosphere of Wisteria sinensis roots (30 to 50 cm) dur…
19 Dec 2025DOI 10.17582/journal.pjn/2026/44.1.01.05
Research ArticlePossible Application of Hyoscyamus albus, Mercurialis annua and Volutaria tubuliflora Extracts as Green Nematicides in Managing Meloidogyne incognita Infecting Newly Planted Guava Seedlings
Amr A. El-Sherbiny, Sandy E. Hammad
Methanolic shoot extracts of Hyoscyamus albus, Mercurialis annua and Volutaria tubuliflora at the concentrations 100, 250, 500, 1000 and 2000 mg L-1 significantly exhibited real mortality (12.4 - 100%) of second stage juveniles of the root-knot nematode Meloid…
19 Nov 2025DOI 10.17582/journal.pjn/2025/43.2.158.173- Review
Nematodes in Agroecosystems: A Review of Their Role and Influence of Farm Management Practices on the Community Structure
Musongora Kambale Muyisa, Keziah Magiroi, Njiranjira Pili, Abigael Otinga Nakesa, Ruth Njoroge
The dynamics of nematode community structure in response to farmland management practices are seldom consistent. In agroecosystems, the economic importance of plant feeding nematodes originates from their direct effect on crop development and yield, reducing p…
19 Nov 2025DOI 10.17582/journal.pjn/2025/43.2.174.186 
Research ArticleAssessing the Efficacy of Potassium Silicate Individually and in Sequencing with Nematicides for Managing Meloidogyne sp. on Solanum lycopersicum: A Suggested Approach for Sustainable Agricultural Practices
Mohamed Salah Khalil, Manal M. Zen El-Dein
Integrated pest management (IPM) programs are depending on several tactics to manage the pests. Synthetic nematicides are one of the available options to farmers in IPM programs against plant parasitic nematodes. But in the same time the environmental protocol…
11 Sept 2025DOI 10.17582/journal.pjn/2025/43.2.134.145- Short Communication
Environmental Abiotic and Nematode Biotic Factors Affecting Virulence of Corn Cyst Nematode, Heterodera zeae on Corn in Egypt
Ahmed El-Ismail
Soil texture as abiotic factor alongside three biotic factors respecting with nematode such as inoculation levels, inocula storage conditions and inocula source types affects the virulence of Heterodera zeae. Lighter soil textures such as sandy clay loam and s…
11 Sept 2025DOI 10.17582/journal.pjn/2025/43.2.154.157