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Biblioteca (s) : |
INIA La Estanzuela. |
Fecha : |
12/09/2014 |
Actualizado : |
11/11/2019 |
Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
Autor : |
STEWART, S.; ROBERTSON, A.E. |
Afiliación : |
SILVINA MARIA STEWART SONEIRA, Instituto Nacional de Investigación Agropecuaria (INIA), Uruguay. |
Título : |
A modified method to screen for partial resistance to Phytophthora sojae in soybean. |
Fecha de publicación : |
2012 |
Fuente / Imprenta : |
Crop Science, v. 52, n. 3, p. 1181-1186, 2012. |
ISSN : |
1435-0653 |
DOI : |
10.2135/cropsci2011.05.0241 |
Idioma : |
Inglés |
Contenido : |
Abstract: Phytophthora root and stem rot, caused by Phytophthora sojae Kauf and Gerd, is one of the most damaging diseases of soybean
[Glycine max (L.) Merr.] in the United States. Partial resistance (PR), which is defined as the relative ability of a soybean plant to survive root
infection without showing severe symptoms, is an effective way to manage this disease. A modification of the layer test method used
to screen for PR to P. sojae in soybean was evaluated. Instead of the P. sojae-colonized agar layer, which is used in the current greenhouse
cup assay, P. sojae-infested rice (Oryza sativa L.) grains were used. In addition, a dry root weight (Drw) measurement was compared to
a disease severity root rot score, which uses a 1 to 10 visual scale. The rice method was not statistically different from the layer test for the
variables evaluated. Advantages of the rice method include reduced cost and the ability to screen soybean germplasm with more than
one pathotype of the pathogen in a single assay. A mixture of several pathotypes of P. sojae ensures compatible interactions between
isolates used and all known Rps genes, thus avoiding Rps genes that could go undetected and mask PR during screening. Although
collecting and handling of roots for Drw data may require more time, it is a more objective variable, which assures precise scoring, it is not
rater dependent, and less training of personnel is required. |
Palabras claves : |
PARTIAL RESISTANCE; PHYTOPHTHORA SOJAE. |
Thesagro : |
FITOPATOLOGÍA. |
Asunto categoría : |
H20 Enfermedades de las plantas |
Marc : |
LEADER 02013naa a2200193 a 4500 001 1050207 005 2019-11-11 008 2012 bl uuuu u00u1 u #d 022 $a1435-0653 024 7 $a10.2135/cropsci2011.05.0241$2DOI 100 1 $aSTEWART, S. 245 $aA modified method to screen for partial resistance to Phytophthora sojae in soybean.$h[electronic resource] 260 $c2012 520 $aAbstract: Phytophthora root and stem rot, caused by Phytophthora sojae Kauf and Gerd, is one of the most damaging diseases of soybean [Glycine max (L.) Merr.] in the United States. Partial resistance (PR), which is defined as the relative ability of a soybean plant to survive root infection without showing severe symptoms, is an effective way to manage this disease. A modification of the layer test method used to screen for PR to P. sojae in soybean was evaluated. Instead of the P. sojae-colonized agar layer, which is used in the current greenhouse cup assay, P. sojae-infested rice (Oryza sativa L.) grains were used. In addition, a dry root weight (Drw) measurement was compared to a disease severity root rot score, which uses a 1 to 10 visual scale. The rice method was not statistically different from the layer test for the variables evaluated. Advantages of the rice method include reduced cost and the ability to screen soybean germplasm with more than one pathotype of the pathogen in a single assay. A mixture of several pathotypes of P. sojae ensures compatible interactions between isolates used and all known Rps genes, thus avoiding Rps genes that could go undetected and mask PR during screening. Although collecting and handling of roots for Drw data may require more time, it is a more objective variable, which assures precise scoring, it is not rater dependent, and less training of personnel is required. 650 $aFITOPATOLOGÍA 653 $aPARTIAL RESISTANCE 653 $aPHYTOPHTHORA SOJAE 700 1 $aROBERTSON, A.E. 773 $tCrop Science$gv. 52, n. 3, p. 1181-1186, 2012.
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Registro completo
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Biblioteca (s) : |
INIA Treinta y Tres. |
Fecha actual : |
21/10/2021 |
Actualizado : |
21/10/2021 |
Tipo de producción científica : |
Abstracts/Resúmenes |
Autor : |
FRANCIA, C.; PEREYRA, S.; BENÍTEZ, N.; PÉREZ, C. |
Afiliación : |
Departamento Protección Vegetal, Facultad de Agronomía, Universidad de la República, Montevideo, Uruguay.; SILVIA ANTONIA PEREYRA CORREA, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; Departamento Protección Vegetal, Fagro, EEMAC.; Departamento Protección Vegetal, Fagro, EEMAC. |
Título : |
Comparación de distintos métodos de cuantificación de la fusariosis de la espiga de trigo a campo y postcosecha y el contenido de deoxinivalenol en grano. |
Fecha de publicación : |
2021 |
Fuente / Imprenta : |
In: Sociedad Uruguaya de Fitopatología Jornada Uruguaya de Fitopatología, 6., Jornada Uruguaya de Protección Vegetal, 4., 21-22 octubre, 2021, Montevideo, Uruguay. Libro de resúmenes. Montevideo (UY): Sociedad Uruguay de Fitopatología (SUFIT), 2021. |
Páginas : |
p. 40 |
Idioma : |
Español |
Notas : |
Financiamiento: Beca de maestría ANII, beca de finalización CAP. |
Palabras claves : |
FUSARIOSIS DE LA ESPIGA; TRIGO. |
Asunto categoría : |
H20 Enfermedades de las plantas |
URL : |
http://www.ainfo.inia.uy/digital/bitstream/item/16057/1/francia.pdf
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Marc : |
LEADER 00868nam a2200181 a 4500 001 1062469 005 2021-10-21 008 2021 bl uuuu u01u1 u #d 100 1 $aFRANCIA, C. 245 $aComparación de distintos métodos de cuantificación de la fusariosis de la espiga de trigo a campo y postcosecha y el contenido de deoxinivalenol en grano.$h[electronic resource] 260 $aIn: Sociedad Uruguaya de Fitopatología Jornada Uruguaya de Fitopatología, 6., Jornada Uruguaya de Protección Vegetal, 4., 21-22 octubre, 2021, Montevideo, Uruguay. Libro de resúmenes. Montevideo (UY): Sociedad Uruguay de Fitopatología (SUFIT)$c2021 300 $ap. 40 500 $aFinanciamiento: Beca de maestría ANII, beca de finalización CAP. 653 $aFUSARIOSIS DE LA ESPIGA 653 $aTRIGO 700 1 $aPEREYRA, S. 700 1 $aBENÍTEZ, N. 700 1 $aPÉREZ, C.
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