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Root-knot nematodes ( spp.) are sedentary endoparasites that cause severe economic losses to agricultural crops globally. Due to the regulations of the European Union on the application of nematicides, it is crucial now to discover eco-friendly control strategies for nematode management. Biocontrol is one such safe and reliable method for managing these polyphagous nematodes. Biocontrol agents not only control these parasitic nematodes but also improve plant growth and induce systemic resistance in plants against a variety of biotic stresses. A wide range of organisms such as bacteria, fungi, viruses, and protozoans live in their natural mode as nematode antagonists. Various review articles have discussed the role of biocontrol in nematode management in general, but a specific review on biocontrol of root-knot nematodes is not available in detail. This review, therefore, focuses on the biocontrol of root-knot nematodes by discussing their important known antagonists, modes of action, and interactions.
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http://dx.doi.org/10.3390/plants12030451 | DOI Listing |
Front Plant Sci
August 2025
Centre for Mechanical Engineering, Materials and Processes (CEMMPRE), Advanced Production and Intelligent Systems (ARISE), Department of Life Sciences, University of Coimbra, Coimbra, Portugal.
The increasing frequency of extreme weather events affects ecosystems and threatens food production. The reduction of chemical pesticides, together with other ecological approaches, is crucial to more sustainable agriculture. Plant-parasitic nematodes (PPN), especially root-knot nematodes (RKN), spp.
View Article and Find Full Text PDFJ Nematol
February 2025
Department of Nematology, University of California, Riverside, 900 University Ave., Riverside, CA 92521.
, or tree houseleek (), is a bushy, perennial succulent and a popular ornamental plant in regions such as California, New Zealand, Australia, Sicily, Gibraltar, and Chile. It features rosettes of soft, waxy leaves at the tips of sparsely branched or occasionally single, bare stems. It is drought-tolerant and has a variety of colors and forms, making it a popular ornamental plant.
View Article and Find Full Text PDFJ Nematol
February 2025
Department of Nematology, University of California Riverside, 3401 Watkins Drive, Riverside, CA 92521, U.S.A.
Fluensulfone is the active ingredient of the non-fumigant nematicide Nimitz. It is much less harmful to the environment and has much improved worker safety compared to broad-spectrum fumigant nematicides. The product is registered for use in a variety of crops, including fruiting vegetables, and is applied to soil 7-14 days before seeding or planting.
View Article and Find Full Text PDFJ Agric Food Chem
September 2025
Agricultural and Ecological Research Unit, Indian Statistical Institute, Giridih, Jharkhand 815301, India.
Understanding the chemotactic crosstalk between rice and root-knot nematodes is essential for developing sustainable pest management strategies. Rice plants release chemicals that can modulate the behavior of the rice root-knot nematode , a major plant-parasitic nematode. In this study, two rice cultivars, Pusa Basmati 1121 (nematode-susceptible) and Kalo Bhutia 213 (highly nematode-resistant), were used to collect metabolites released from rice roots, and their role in influencing rice- interactions was studied.
View Article and Find Full Text PDFJ Invertebr Pathol
August 2025
School of Animal and Comparative Biomedical Sciences, University of Arizona, Tucson, AZ 85721, USA; Department of Horticulture, Oregon State University, Corvallis, OR 97331, USA. Electronic address:
Previous studies conducted by our team have shown that three secondary metabolites (SMs) from Photorhabdus luminescens sonorensis, trans-cinnamic acid (TCA), (4E)-5-phenyl-4-pentenoic acid (PPA), and indole, exhibit nematicidal and/or nematistatic activities against root knot and citrus nematodes, with no discernible effects on non-target entomopathogenic nematodes (EPNs). To further explore the post-exposure fitness of EPNs, this study focused on the effects of these SMs on the virulence and reproductive fitness of three EPNs: Heterorhabditis sonorensis (the native host of P. l.
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