Academic literature on the topic 'Root-lesion nematodes (RLN)'

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Journal articles on the topic "Root-lesion nematodes (RLN)"

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Isutsa, D. K., I. A. Merwin, and B. B. Brodie. "Screening Malus Germplasm for Field Resistance to Apple Replant Disease and Root-lesion Nematodes." HortScience 31, no. 4 (1996): 618f—618. http://dx.doi.org/10.21273/hortsci.31.4.618f.

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Apple replant disease (ARD) is a serious problem in fruit production, and none of the major clonal rootstocks are resistant to ARD. We have screened Malus domestica clones and species accessions from the USDA Malus Germplasm Repository at Geneva, N.Y., including M. angustifolia-2375.03 (MA), M. coronaria-2966.01 (MC), M. fusca-3031.01 (MF), M. ioensis-3059.01 (MI), M. sieversii-3530.01 (MS), and M. kirghisorum-3578.01 (MK), for resistance to ARD and root-lesion nematodes (RLN, Pratylenchus spp.), in a composite soil collected from 11 New York orchards with known ARD. Plant dry mass and height,
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Vieira, Paulo, and Lev G. Nemchinov. "An Expansin-Like Candidate Effector Protein from Pratylenchus penetrans Modulates Immune Responses in Nicotiana benthamiana." Phytopathology® 110, no. 3 (2020): 684–93. http://dx.doi.org/10.1094/phyto-09-19-0336-r.

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The root lesion nematode (RLN) Pratylenchus penetrans is a migratory species that attacks a broad range of crops. After the RLN is initially attracted to host roots by root exudates and compounds, it releases secretions that are critical for successful parasitism. Among those secretions are nematode virulence factors or effectors that facilitate the entry and migration of nematodes through the roots and modulate plant immune defenses. The recognition of the effectors by host resistance proteins leads to effector-triggered immunity and incompatible plant–nematode interactions. Although many can
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Walters, Thomas W., John N. Pinkerton, Ekaterini Riga, et al. "Managing Plant–Parasitic Nematodes in Established Red Raspberry Fields." HortTechnology 19, no. 4 (2009): 762–68. http://dx.doi.org/10.21273/hortsci.19.4.762.

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The efficacy and phytotoxicity of postplant treatments to control root lesion nematodes [RLN (Pratylenchus penetrans)] and dagger nematodes [DN (Xiphinema bakeri)] in red raspberry (Rubus idaeus) were evaluated in four field studies, each conducted over 1 to 3 years. Spring spray applications of oxamyl or fosthiazate reduced RLN and DN population densities for up to 2 years, but fall oxamyl sprays and spring drip-applied oxamyl applications were not effective. Oxamyl application rate determined the duration of nematode suppression. Two spring applications of oxamyl at 2 lb/acre provided more t
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Walters, Thomas W., John N. Pinkerton, Ekaterini Riga, et al. "Managing Plant–Parasitic Nematodes in Established Red Raspberry Fields." HortTechnology 19, no. 4 (2009): 762–68. http://dx.doi.org/10.21273/horttech.19.4.762.

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The efficacy and phytotoxicity of postplant treatments to control root lesion nematodes [RLN (Pratylenchus penetrans)] and dagger nematodes [DN (Xiphinema bakeri)] in red raspberry (Rubus idaeus) were evaluated in four field studies, each conducted over 1 to 3 years. Spring spray applications of oxamyl or fosthiazate reduced RLN and DN population densities for up to 2 years, but fall oxamyl sprays and spring drip-applied oxamyl applications were not effective. Oxamyl application rate determined the duration of nematode suppression. Two spring applications of oxamyl at 2 lb/acre provided more t
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Kumar, Ashish, Vedant Gautam, R. K. Tiwari, et al. "Present status and future directions for management of root lesion nematode (Pratylenchus thornei) in chickpea." Environment Conservation Journal 23, no. 1&2 (2022): 400–409. http://dx.doi.org/10.36953/ecj.0211204.2337.

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Chickpea is a popular legume crop in Asia and Africa's semi-arid regions. Crop production gains, on the other hand, have been modest, owing to biotic and abiotic stressors. Among the different biotic stresses, nematodes portray serious threat to chickpea production and colossal losses have been reported due to stress-free infection by other pathogens on infection with root lesion nematode (RLN). The worldwide distribution of two major species of RLN namely P. thornei and P. neglectus made them a focus research area especially on management aspect. In dryland farming areas of southeastern Austr
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Barbosa, Pedro, Jorge M. S. Faria, Tomás Cavaco, Ana Cristina Figueiredo, Manuel Mota, and Cláudia S. L. Vicente. "Nematicidal Activity of Phytochemicals against the Root-Lesion Nematode Pratylenchus penetrans." Plants 13, no. 5 (2024): 726. http://dx.doi.org/10.3390/plants13050726.

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Plant-parasitic nematodes (PPNs) are highly damaging pests responsible for heavy losses in worldwide productivity in a significant number of important plant crops. Common pest management strategies rely on the use of synthetic chemical nematicides, which have led to serious concerns regarding their impacts on human health and the environment. Plant natural products, or phytochemicals, can provide a good source of agents for sustainable control of PPNs, due to their intrinsic characteristics such as higher biodegradability, generally low toxicity for mammals, and lower bioaccumulation in the en
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Isutsa, Dorcas, Ian Merwin, and Bill Brodie. "Evaluating Transgenic Apple for Resistance or Tolerance to Apple Replant Disease." HortScience 33, no. 3 (1998): 531d—531. http://dx.doi.org/10.21273/hortsci.33.3.531d.

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Apple replant disease (ARD) causes serious problems in most fruit-growing regions worldwide. It is associated with nematodes, fungi, bacteria, and other deleterious factors. Its symptoms range from severe stunting to death of replants in old orchards. We evaluated effects of antibacterial (cecropin-, attacin- and hen egg white lysozyme-encoding) and antifungal (chitinase-encoding) transgenics, obtained from the apple-rootstock breeding program at Geneva, N.Y., on ARD. Transgenics were tested in a composite soil collected from New York orchards with known replant problems. The ARD-infested fiel
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Reeves, Karyn L., Clayton R. Forknall, Alison M. Kelly, et al. "A Novel Approach to the Design and Analysis of Field Experiments to Study Variation in the Tolerance and Resistance of Cultivars to Root Lesion Nematodes (Pratylenchus spp.)." Phytopathology® 110, no. 10 (2020): 1623–31. http://dx.doi.org/10.1094/phyto-03-20-0077-r.

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The root lesion nematode (RLN) species Pratylenchus thornei and P. neglectus are widely distributed within cropping regions of Australia and have been shown to limit grain production. Field experiments conducted to compare the performance of cultivars in the presence of RLNs investigate management options for growers by identifying cultivars with resistance, by limiting nematode reproduction, and tolerance, by yielding well in the presence of nematodes. A novel experimental design approach for RLN experiments is proposed where the observed RLN density, measured prior to sowing, is used to cond
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Toktay, Halil, C. Lynne McIntyre, Julie M. Nicol, Hakan Ozkan, and Halil I. Elekcioglu. "Identification of common root-lesion nematode (Pratylenchus thornei Sher et Allen) loci in bread wheat." Genome 49, no. 10 (2006): 1319–23. http://dx.doi.org/10.1139/g06-090.

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Plant parasitic nematodes are a major biotic cause of wheat-yield loss in temperate wheat-growing regions. A major strategy to develop resistance to root-lesion nematodes (RLNs) in wheat is to assess and then exploit their natural genetic variation. This study examines RLN (Pratylenchus thornei) resistance in 1 Middle Eastern landrace (AUS4930 7.2) and 1 synthetic hexaploid wheat, CROC_1/AE.SQUARROSA (224)//OPATA (CROC), using F2 and F9 populations generated by crossing AUS4930 7.2 and CROC with the susceptible cultivar Pastor, and inoculating these crosses with P. thornei in greenhouse trials
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Pereira, Gonçalo, Pedro Barbosa, Cláudia S. L. Vicente, and Jorge M. S. Faria. "Eco-Friendly Management of Root Lesion Nematodes Using Volatile Allelochemicals." Agronomy 15, no. 7 (2025): 1605. https://doi.org/10.3390/agronomy15071605.

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Root lesion nematodes (RLNs) are major plant parasites causing significant global yield losses in a wide range of crops. Current management strategies largely depend on synthetic nematicides, which raise environmental and human health concerns due to their broad-spectrum toxicity and persistence in the ecosystem. Volatile allelochemicals offer a promising, environmentally safer alternative due to their biodegradability and lower toxicity to mammals. In this study, we assessed the nematicidal activity of five allelochemical volatiles—dimethyl sulphide (DMS), dimethyl disulphide (DMDS), trans-ci
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Dissertations / Theses on the topic "Root-lesion nematodes (RLN)"

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Uzuele, Elvio Lorençato. "Eficácia do tratamento de sementes com o nematicida tioxazafen no controle dos nematoides Heterodera glycines, Meloidogyne incognita, M. javanica, Pratylenchus brachyurus e P. zeae." Universidade de São Paulo, 2016. http://www.teses.usp.br/teses/disponiveis/11/11135/tde-30092016-101926/.

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A soja, o milho e o algodão são as culturas de enorme importância econômica no Brasil, pois juntas ocupam grande parte da área agrícola no país. Além disso, essas culturas são essenciais no fornecimento de alimento e fibras para uma crescente população mundial. Vários fatores podem afetar a produção das mesmas, sendo que os nematoides anualmente causam bilhões de dólares de perdas. As principais técnicas disponíveis para o manejo dos nematoides são rotação de culturas, cultivares resistentes e nematicidas químicos. Apesar de o controle químico ser uma ferramenta viável, há poucos nematicidas d
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(9828155), Top Pun. "Computer visualisation for microscopic discernment and counting of plant-parasitic nematodes." Thesis, 2024. https://figshare.com/articles/thesis/Computer_visualisation_for_microscopic_discernment_and_counting_of_plant-parasitic_nematodes/29147576.

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Plant-parasitic nematodes are invasive pathogens that cause severe damage to crops. To minimise the infestation of plant-parasitic nematodes, appropriate identification techniques and accurate population estimation of plant-parasitic nematodes are necessary to employ optimal control strategies. Conventionally, nematodes are identified using a manual microscope, and their morphological features are investigated to discern nematode species and count their population in the sample. However, this process is laborious and time consuming with the increasing number of samples. Although several nemato
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