Effect of solarization, organic matter, and trichoderma on the severity of verticillium wilt in olive trees (olea europaea l.) and soil inoculum density
In October 2005, two trials were conducted at two locations of La Rioja province (Argentina), to assess the effect of soil solarization, application of organic matter and inoculation with Thichoderma harziarum on diseased olive plants. The trials included 25 ‘Manzanilla’ and 12 ‘Arauco’ trees, with...
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| Acceso en línea: | http://ri.agro.uba.ar/files/intranet/articulo/2014Otero.pdf LINK AL EDITOR |
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| 024 | |a 10.17660/ActaHortic.2014.1057.13 | ||
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| 245 | 1 | 0 | |a Effect of solarization, organic matter, and trichoderma on the severity of verticillium wilt in olive trees (olea europaea l.) and soil inoculum density |
| 520 | |a In October 2005, two trials were conducted at two locations of La Rioja province (Argentina), to assess the effect of soil solarization, application of organic matter and inoculation with Thichoderma harziarum on diseased olive plants. The trials included 25 ‘Manzanilla’ and 12 ‘Arauco’ trees, with less than 50% of affected branches, at Aimogasta and El Tala. Treatments were: solarization (SOL), solarization + Trichoderma (SOL+TRI), solarization + organic matter (SOL + OM) and control (C). Disease severities were recorded during 2.5 and 1.5 years, respectively. For soil solarization, a transparent polyethylene of 100 μm was placed around each tree for 3 months. Before placing the plastic and one year later, soil samples were taken to determine the initial amoun of microsclerotia per gram of soil (ID). Solarized plots reached maximum 51°C and control plots 40°C. Initial ID values were 2.52 to 1.84 and 1.23 to 2.13 after one year. The major decreases were obtained for SOL+TRI (0.08) and SOL. Controls did not increase ID at El Tala but it decreased at Aimogasta. All treatments decreased disease severities but there were no differences among treatments. Overall, disease severities decreased from 19 to 8% and 34 to 5% at both places. There were significant differences among plants (replicates) within each treatment. Results may have been influenced by fungus pathogenecity, inoculum distribution and density, edaphic factors, soil solarization efficiency and natural recovery phenomenon. | ||
| 650 | |2 Agrovoc |9 26 | ||
| 653 | |a BIOLOGICAL CONTROL | ||
| 653 | |a PLANT DISEASE MANAGEMENT | ||
| 653 | |a OLIVE DISEASES | ||
| 700 | 1 | |a Otero, M. L. |u Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Patología Vegetal (CIAP-INTA). Córdoba, Argentina. |9 67846 | |
| 700 | 1 | |a Roca, M. |u SENASA. La Rioja, Argentina. |9 48897 | |
| 700 | 1 | |9 28761 |a Zapata, Raúl Lorenzo |u Universidad de Buenos Aires. Facultad de Agronomía. Buenos Aires, Argentina. | |
| 700 | 1 | |a Ladux, J. L. |u Instituto Nacional de Tecnología Agropecuaria (INTA). Agencia De Extensión Rural Aimogasta (AER). Aimogasta, La Rioja, Argentina. |9 67850 | |
| 700 | 1 | |a Ortiz, J. |u Instituto Nacional de Tecnología Agropecuaria (INTA). Centro Regional Catamarca - La Rioja. Estación Experimental Agropecuaria La Rioja (EEA La Rioja). La Rioja, Argentina. |9 67851 | |
| 700 | 1 | |a Zanelli, M. |u Instituto Nacional de Tecnología Agropecuaria (INTA). Buenos Aires, Argentina. |9 67852 | |
| 700 | 1 | |a Matías, Angel César |u Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Catamarca (EEA Catamarca). Catamarca, Buenos Aires. |9 19977 | |
| 700 | 1 | |9 16236 |a Pérez, Beatriz Alida |u Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto De Investigación Microbiología y Zoología Agrícola (IMyZA). Castelar, Buenos Aires, Argentina. | |
| 773 | 0 | |t Acta horticulturae |w SECS000862 |g Vol.1057 (2014), p.121-126, tbls. | |
| 856 | |f 2014Otero |i en reservorio |q application/pdf |u http://ri.agro.uba.ar/files/intranet/articulo/2014Otero.pdf |x ARTI201809 | ||
| 856 | |u https://www.ishs.org |z LINK AL EDITOR | ||
| 942 | |c ENLINEA | ||
| 942 | |c ARTICULO | ||
| 976 | |a AAG | ||