Geospatial patterns of soil properties and the biological control potential of entomopathogenic nematodes in Florida citrus groves
12 páginas, 5 figuras y 6 tablas
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| Format: | artículo biblioteca |
| Language: | English |
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Elsevier
2013-08-01
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| Subjects: | Entomopathogenic nematodes, Multivariate analysis, Quantitative real-time PCR, Ecology, Food web, Geospatial patterns, |
| Online Access: | http://hdl.handle.net/10261/112348 |
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Entomopathogenic nematodes Multivariate analysis Quantitative real-time PCR Ecology Food web Geospatial patterns Entomopathogenic nematodes Multivariate analysis Quantitative real-time PCR Ecology Food web Geospatial patterns |
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Entomopathogenic nematodes Multivariate analysis Quantitative real-time PCR Ecology Food web Geospatial patterns Entomopathogenic nematodes Multivariate analysis Quantitative real-time PCR Ecology Food web Geospatial patterns Campos-Herrera, R. Pathak, Ekta El-Borai, F. Stuart, Robin J. Gutiérrez, Carmen Rodríguez Martín, José Antonio Graham, James H. Duncan, L. W. Geospatial patterns of soil properties and the biological control potential of entomopathogenic nematodes in Florida citrus groves |
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12 páginas, 5 figuras y 6 tablas |
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artículo |
| topic_facet |
Entomopathogenic nematodes Multivariate analysis Quantitative real-time PCR Ecology Food web Geospatial patterns |
| author |
Campos-Herrera, R. Pathak, Ekta El-Borai, F. Stuart, Robin J. Gutiérrez, Carmen Rodríguez Martín, José Antonio Graham, James H. Duncan, L. W. |
| author_facet |
Campos-Herrera, R. Pathak, Ekta El-Borai, F. Stuart, Robin J. Gutiérrez, Carmen Rodríguez Martín, José Antonio Graham, James H. Duncan, L. W. |
| author_sort |
Campos-Herrera, R. |
| title |
Geospatial patterns of soil properties and the biological control potential of entomopathogenic nematodes in Florida citrus groves |
| title_short |
Geospatial patterns of soil properties and the biological control potential of entomopathogenic nematodes in Florida citrus groves |
| title_full |
Geospatial patterns of soil properties and the biological control potential of entomopathogenic nematodes in Florida citrus groves |
| title_fullStr |
Geospatial patterns of soil properties and the biological control potential of entomopathogenic nematodes in Florida citrus groves |
| title_full_unstemmed |
Geospatial patterns of soil properties and the biological control potential of entomopathogenic nematodes in Florida citrus groves |
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geospatial patterns of soil properties and the biological control potential of entomopathogenic nematodes in florida citrus groves |
| publisher |
Elsevier |
| publishDate |
2013-08-01 |
| url |
http://hdl.handle.net/10261/112348 |
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AT camposherrerar geospatialpatternsofsoilpropertiesandthebiologicalcontrolpotentialofentomopathogenicnematodesinfloridacitrusgroves AT pathakekta geospatialpatternsofsoilpropertiesandthebiologicalcontrolpotentialofentomopathogenicnematodesinfloridacitrusgroves AT elboraif geospatialpatternsofsoilpropertiesandthebiologicalcontrolpotentialofentomopathogenicnematodesinfloridacitrusgroves AT stuartrobinj geospatialpatternsofsoilpropertiesandthebiologicalcontrolpotentialofentomopathogenicnematodesinfloridacitrusgroves AT gutierrezcarmen geospatialpatternsofsoilpropertiesandthebiologicalcontrolpotentialofentomopathogenicnematodesinfloridacitrusgroves AT rodriguezmartinjoseantonio geospatialpatternsofsoilpropertiesandthebiologicalcontrolpotentialofentomopathogenicnematodesinfloridacitrusgroves AT grahamjamesh geospatialpatternsofsoilpropertiesandthebiologicalcontrolpotentialofentomopathogenicnematodesinfloridacitrusgroves AT duncanlw geospatialpatternsofsoilpropertiesandthebiologicalcontrolpotentialofentomopathogenicnematodesinfloridacitrusgroves |
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1777663641771835392 |
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dig-ica-es-10261-1123482020-05-19T11:12:44Z Geospatial patterns of soil properties and the biological control potential of entomopathogenic nematodes in Florida citrus groves Campos-Herrera, R. Pathak, Ekta El-Borai, F. Stuart, Robin J. Gutiérrez, Carmen Rodríguez Martín, José Antonio Graham, James H. Duncan, L. W. Entomopathogenic nematodes Multivariate analysis Quantitative real-time PCR Ecology Food web Geospatial patterns 12 páginas, 5 figuras y 6 tablas Entomopathogenic nematodes (EPNs) are widely distributed in natural and managed ecosystems worldwide. Due to the cryptic nature of soil food webs, EPN ecology and their role in modulating insect population dynamics remain largely a matter of speculation. A weevil pest of citrus, Diaprepes abbreviatus, is less abundant in orchards on the central ridge (hilly topography, deep, coarse sand soils) than in the flatwoods (flat topography, fine sand soils with a high water table).We speculate that native EPNs are a key factor regulating these weevils and thus hypothesized that EPNs are most abundant and/or species diverse in central ridge orchards. In this study, we measured and analyzed the natural distributions of EPNs in these two regions concomitantly with those of selected abiotic and biotic soil components. Our objective was to identify physical properties that can potentially be manipulated to conserve native EPNs that serve to control D. abbreviatus. We used species-specific qPCR probes for i) 13 EPN species, ii) two species of Paenibacillus that are ectoparasitically associated with EPNs, iii) free-living bacteriophagous nematodes (Acrobeloides-group) that might compete with EPNs, and iv) oomycete pathogens of citrus roots, Phytophthora nicotianae and Phytophthora palmivora. Citrus orchards were surveyed in eco-regions categorized as central ridge (23 localities) and flatwoods (30 localities). EPNs and Acrobeloides-group were detected in all sites and the abundances of the two guilds were positively related. Heterorhabditids comprising two species occurred in more localities at higher numbers than did five steinernematid species. Heterorhabditis indica dominated flatwoods communities, whereas communities with abundant Steinernema diaprepesi, Heterorhabditis zealandica and H. indica occurred on the central ridge. Spatial patterns of S. diaprepesi were more aggregated than those of H. indica and other dominant species. The central ridge supported greater EPN evenness, diversity and species richness. For the first time, quantitative natural positive associations between EPNs and two species of Paenibacillus bacteria were assessed. The oomycete pathogen P. palmivora was only detected in the flatwoods, whereas P. nicotianae was widespread and equally abundant in both regions. Four variables that affect soil water potential (groundwater depth, available water capacity, clay and organic matter content) significantly contributed to explain the variability in a redundancy analysis of the selected soil communities. Management of soil water potential may aid in establishing and conserving diverse EPN communities that provide more effective control of Diaprepes root weevils. The authors thank to Diane Bright for the analysis of P. nicotianae and P. palmivora. Also, the authors thank the several reviewers for comments which greatly improved the manuscript. This study is supported by a USDA-CSREES Special Grant (TSTAR), U.S-Egypt Science and Technology Joint Fund (338) and Ministry of Science and Innovation from Spain. R. CamposeHerrera was awarded with postdoctoral fellowships by the Ramón Areces Spanish Foundation and was supported by a Marie Curie International Outgoing Fellowship within the 7th European Community Framework Programme (FP7ePEOPLEe2009eIOFe252980). Peer reviewed 2015-03-13T12:23:56Z 2015-03-13T12:23:56Z 2013-08-01 artículo http://purl.org/coar/resource_type/c_6501 Soil Biology and Biochemistry 66: 163-174 (2013) 1879-3428 http://hdl.handle.net/10261/112348 10.1016/j.soilbio.2013.07.011 0038-0717 en Postprint http://dx.doi.org/10.1016/j.soilbio.2013.07.011 Sí open Elsevier |