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Saad AM, Salem HM, El-Tahan AM, El-Saadony MT, Alotaibi SS, El-Shehawi AM, Abd El-Mageed TA, Taha AE, Alkahtani MA, Ezzat Ahmed A, Swelum AA. Biological control: An effective approach against nematodes using black pepper plants (Piper nigrum L.). Saudi J Biol Sci 2022; 29:2047-2055. [PMID: 35531173 PMCID: PMC9073003 DOI: 10.1016/j.sjbs.2022.01.004] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Revised: 12/05/2021] [Accepted: 01/02/2022] [Indexed: 12/29/2022] Open
Abstract
Black pepper (Piper nigrum L.) is one of the oldest spices in the world, additionally, it is highly demanded. Several biotic and abiotic variables pose black pepper production worldwide. Plant-parasitic nematodes play a key role among biotic factors, causing considerable economic losses and affecting the production. Different synthetic nematicides were used for controlling plant nematodes, however the majority of pesticides have been pulled from the market due to substantial non-target effects and environmental risks. As a result, the search for alternative eco-friendly agents for controlling plant-parasitic nematodes populations. Microbial agents are a precious option. In this review the bacterial and fungal agents used as an alternative nematicides, they were studied and confirmed as essential anti-microbial agents against plant nematodes which infected Piper nigrum L. This work examines the most common plant nematodes infected Piper nigrum L., with a focus on root knot and burrowing nematodes, in addition, how to control plant parasitic nematodes using microorganisms.
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Affiliation(s)
- Ahmed M. Saad
- Biochemistry Department, Faculty of Agriculture, Zagazig University, Zagazig 44511, Egypt
- Corresponding author.
| | - Heba M. Salem
- Department of Poultry Diseases, Faculty of Veterinary Medicine, Cairo University, 12211 Giza, Egypt
| | - Amira M. El-Tahan
- Plant Production Department, Arid Lands Cultivation Research Institute, The City of Scientific, Research and Technological Applications, SRTA-City. Borg El Arab, Alexandria, Egypt
| | - Mohamed T. El-Saadony
- Department of Agricultural Microbiology, Faculty of Agriculture, Zagazig University, Zagazig 4451, Egypt
| | - Saqer S. Alotaibi
- Department of Biotechnology, College of Science, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
| | - Ahmed M. El-Shehawi
- Department of Biotechnology, College of Science, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
| | - Taia A. Abd El-Mageed
- Soil and Water Department, Faculty of Agriculture, Fayoum University, Fayoum 63514, Egypt
| | - Ayman E. Taha
- Department of Animal Husbandry and Animal Wealth Development, Faculty of Veterinary Medicine, Alexandria University, Edfina 22758, Egypt
| | - Mohammed A. Alkahtani
- Biology Department, College of Science, King Khalid University, 61413 Abha, Saudi Arabia
| | - Ahmed Ezzat Ahmed
- Biology Department, College of Science, King Khalid University, 61413 Abha, Saudi Arabia
- Department of Theriogenology, Faculty of Veterinary Medicine, South Valley University, 83523 Qena, Egypt
| | - Ayman A. Swelum
- Department of Animal Production, College of Food and Agriculture Sciences, King Saud University, PO Box 2460, Riyadh 11451, Saudi Arabia
- Department of Theriogenology, Faculty of Veterinary Medicine, Zagazig University, Sharkia 44519, Egypt
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Koppenhöfer AM, Jaffee BA, Muldoon AE, Strong DR. Suppression of an entomopathogenic nematode by the nematode-trapping fungi Geniculifera paucispora and Monacrosporium eudermatum as affected by the fungus Arthrobotrys oligospora. Mycologia 2018. [DOI: 10.1080/00275514.1997.12026773] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Affiliation(s)
| | - Bruce A. Jaffee
- Department of Nematology, University of California, Davis, California 95616-8668, U.S.A
| | - Ann E. Muldoon
- Department of Nematology, University of California, Davis, California 95616-8668, U.S.A
| | - Donald R. Strong
- Bodega Marine Laboratory, University of California, Bodega Bay, California 94923, U.S.A
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Pathak E, Campos-Herrera R, El-Borai FE, Duncan LW. Spatial relationships between entomopathogenic nematodes and nematophagous fungi in Florida citrus orchards. J Invertebr Pathol 2017; 144:37-46. [PMID: 28087206 DOI: 10.1016/j.jip.2017.01.005] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2017] [Accepted: 01/09/2017] [Indexed: 11/28/2022]
Abstract
Relationships between entomopathogenic nematodes (EPNs), nematophagous fungi (NF) and soil physical and chemical properties were studied in a survey of 53 citrus orchards in central ridge and flatwoods ecoregions of Florida. Seven species of NF associated with nematodes were quantified directly using a real time qPCR assay. All nematophagous fungi studied except Arthrobotrys musiformis and Hirsutella rhossiliensis were frequently detected (24-56%) in both regions. Paecilomyces lilacinus and Gamsylella gephyropagumwere encountered more frequently in the flatwoods (P=0.03) and on the ridge (P=0.02), respectively. Redundancy analysis revealed seven abiotic and biotic factors as significantly related to the NF occurrence. Multiple regression of fungi on these variables explained 78%, 66%, 48%, 36%, 23% and 4% of the variation in Catenaria sp., A. musiformis, A. dactyloides, P. lilacinus, A. oligospora and G. gepharopagum, respectively. When the data from citrus were pooled with those reported previously from natural areas and subjected to principle component analysis, the first two principle components explained 43% of the variation in NF communities. The surveys (citrus vs natural areas) were discriminated by PC2 (P<0.001) and the ecoregion by PC1 (P<0.002), and all but one NF species were related (P<0.01) to one or both components. NF communities tended to have more species and greater diversity in the flatwoods, where EPN richness and diversity were the least. However, the strength of associations between individual EPN and NF species as measured by SADIE reflected the associations between each species and ground water depth, suggesting that ecoregion preferences affected the species associations. Within each ecoregion, significant relationships between the individual NF and EPN species measured by stepwise regression tended to be positive. The results did not support the hypothesis that NF modulate the spatial patterns of EPN species between or within these two ecoregions.
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Affiliation(s)
- Ekta Pathak
- Citrus Research and Education Center (CREC), University of Florida (UF), 700 Experiment Station Road, Fl 33850, USA; Sam Higginbottom Institute of Agriculture, Technology & Sciences, Allahabad, U.P., India
| | - Raquel Campos-Herrera
- Citrus Research and Education Center (CREC), University of Florida (UF), 700 Experiment Station Road, Fl 33850, USA; Instituto de Ciencias Agrarias, CSIC, Serrano 115 Dpdo, Madrid 28006, Spain
| | - Fahiem E El-Borai
- Citrus Research and Education Center (CREC), University of Florida (UF), 700 Experiment Station Road, Fl 33850, USA; Plant Protection Department, Faculty of Agriculture, Zagazig University, Egypt
| | - Larry W Duncan
- Citrus Research and Education Center (CREC), University of Florida (UF), 700 Experiment Station Road, Fl 33850, USA.
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Smith ME, Jaffee BA. PCR primers with enhanced specificity for nematode-trapping fungi (Orbiliales). MICROBIAL ECOLOGY 2009; 58:117-128. [PMID: 18931821 DOI: 10.1007/s00248-008-9453-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/02/2008] [Accepted: 09/21/2008] [Indexed: 05/26/2023]
Abstract
Nematode-trapping fungi, a monophyletic lineage within the Orbiliales (Ascomycota), use specialized structures to capture and consume nematodes in soil, leaf litter, and other substrates. These fungi have been studied both because of their unique predatory life history and because they are potential control agents of important plant- and animal-parasitic nematodes. Ecological studies of nematode-trapping fungi have primarily used culture-based methods, but molecular detection techniques are now available and should be useful for studying this group. We developed Orbiliales-specific PCR primers for the ITS and 28s rDNA to directly detect nematode-trapping fungi without culturing and also to screen fungal isolates for phylogenetic placement in the Orbiliales. We used these primers to selectively amplify, clone, and sequence Orbiliales DNA extracted from soil, litter, and wood, and we compared the results of molecular detection with those obtained using a culture-based method. Of the eight species of nematode-trapping Orbiliales detected with the culture-based assay, only three were detected with PCR. The molecular assay, however, detected 18 species of uncultured Orbiliales, many of which are closely related to nematode-trapping fungi and fungal parasites of nematode eggs. Our results suggest that the combined use of Orbiliales-specific primers and culture-based techniques may benefit future studies of nematophagous fungi.
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Affiliation(s)
- Matthew E Smith
- Farlow Herbarium and Department of Organismic and Evolutionary Biology, Harvard University, 22 Divinity Avenue, Cambridge, MA 02138, USA.
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Timm L, Pearson D, Jaffee B. Nematode-trapping fungi in conventionally and organically managed corn-tomato rotations. Mycologia 2001. [DOI: 10.1080/00275514.2001.12061276] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- Lori Timm
- Department of Nematology, University of California at Davis, One Shields Ave., Davis, California 95616-8668
| | - Daralyn Pearson
- Department of Nematology, University of California at Davis, One Shields Ave., Davis, California 95616-8668
| | - Bruce Jaffee
- Department of Nematology, University of California at Davis, One Shields Ave., Davis, California 95616-8668
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