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| Registros recuperados : 280 | |
| 83. |  | Pereyra, S.; Díaz de Ackermann, M. Herramientas para el manejo de enfermedades en trigo ln: "Uruguay. Instituto Nacional de Investigación Agropecuaria (INIA). Estación Experimental La Estanzuela ""Alberto Boerger""". Aportes a la zafra de cultivos de invierno. La Estanzuela: INIA, 2011. p. 23-31 Serie Actividades de Difusión ; 646 : Documentos Online ; 149 También disponible en versión electrónica| Biblioteca(s): INIA La Estanzuela; INIA Las Brujas. |
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 | Acceso al texto completo restringido a Biblioteca INIA La Estanzuela. Por información adicional contacte bib_le@inia.org.uy. |
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Registro completo
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Biblioteca (s) : |
INIA La Estanzuela. |
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Fecha actual : |
21/02/2014 |
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Actualizado : |
12/06/2019 |
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Tipo de producción científica : |
Abstracts/Resúmenes |
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Autor : |
PEREYRA, S.; DILL-MACKY, R.; SIMS, A. |
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Afiliación : |
SILVIA ANTONIA PEREYRA CORREA, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; RUTH DILL-MACKY, Department of Plant Pathology, University of Minnesota, Saint Paul, MN, USA.; A SIMS, Department of Plant Pathology, Univesity of Minnesota, St. Paul, MN. Phytopathology, USA. |
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Título : |
Survival and inoculum potential of Fusarium graminearum on wheat residues.[Resumen]. |
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Fecha de publicación : |
2000 |
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Fuente / Imprenta : |
Phytopathology, v. 90:S60, 2000. |
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Páginas : |
10 p. |
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Serie : |
(Publication no. P-2000-0427-AMA). |
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ISSN : |
0031-949X |
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Idioma : |
Inglés |
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Contenido : |
Wheat residue decomposition was related to survival and inoculum potential of Fusarium graminearum Schw. (F.g.), causal agent of wheat scab.
Inoculated wheat residue was placed on the soil surface, at 7.5-10 cm and 15-20 cm deep in chisel plowed plots and 15-20 cm deep in moldboard plowed
plots, in October 1997 at Crookston, MN. Residue was sampled from April through November, 1998 and 1999. Stem/node pieces (1.5-cm) were plated on
PCNB agar and subsequently, colonies were transferred to carnation leaf agar to assess F.g. survival. Inoculum potential was assessed by ascospore counts
from stem/node pieces incubated at 100% RH for perithecial formation. Buried residue decomposed faster than that on soil surface, and F.g. survival
was inversely related to decomposition rate. F.g. colonization was significantly reduced by 8 mo. in the soil. Colonization of other Fusarium
spp. increased over time. Ascospores of F.g. were still produced on some residue pieces after 23 mo. in/on soil. Data from this research may assist in
developing effective management of F.g. infected residues. |
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Palabras claves : |
HEAD BLIGHT; WHEAT. |
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Thesagro : |
FITOPATOLOGIA; FUSARIUM; TRIGO. |
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Asunto categoría : |
H20 Enfermedades de las plantas |
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Marc : |
LEADER 01732naa a2200241 a 4500
001 1040285
005 2019-06-12
008 2000 bl uuuu u00u1 u #d
022 $a0031-949X
100 1 $aPEREYRA, S.
245 $aSurvival and inoculum potential of Fusarium graminearum on wheat residues.[Resumen].$h[electronic resource]
260 $c2000
300 $a10 p.
490 $a(Publication no. P-2000-0427-AMA).
520 $aWheat residue decomposition was related to survival and inoculum potential of Fusarium graminearum Schw. (F.g.), causal agent of wheat scab. Inoculated wheat residue was placed on the soil surface, at 7.5-10 cm and 15-20 cm deep in chisel plowed plots and 15-20 cm deep in moldboard plowed plots, in October 1997 at Crookston, MN. Residue was sampled from April through November, 1998 and 1999. Stem/node pieces (1.5-cm) were plated on PCNB agar and subsequently, colonies were transferred to carnation leaf agar to assess F.g. survival. Inoculum potential was assessed by ascospore counts from stem/node pieces incubated at 100% RH for perithecial formation. Buried residue decomposed faster than that on soil surface, and F.g. survival was inversely related to decomposition rate. F.g. colonization was significantly reduced by 8 mo. in the soil. Colonization of other Fusarium spp. increased over time. Ascospores of F.g. were still produced on some residue pieces after 23 mo. in/on soil. Data from this research may assist in developing effective management of F.g. infected residues.
650 $aFITOPATOLOGIA
650 $aFUSARIUM
650 $aTRIGO
653 $aHEAD BLIGHT
653 $aWHEAT
700 1 $aDILL-MACKY, R.
700 1 $aSIMS, A.
773 $tPhytopathology$gv. 90:S60, 2000.
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