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Registro completo
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Biblioteca (s) : |
INIA La Estanzuela. |
Fecha : |
08/09/2014 |
Actualizado : |
07/11/2019 |
Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
Autor : |
CASTRO A.; GAMBA, F.; GERMÁN, S.; GONZÁLEZ, S.N.; HAYES, P.M.; PEREYRA, S.; PÉREZ, C. |
Afiliación : |
SILVIA ELISA GERMAN FAEDO, Instituto Nacional de Investigación Agropecuaria (INIA), Uruguay; SILVANA NOEMÍ GONZÁLEZ PARODI, INIA La Estanzuela; SILVIA ANTONIA PEREYRA CORREA, Instituto Nacional de Investigación Agropecuaria (INIA), Uruguay. |
Título : |
Quantitative trait locus analysis of spot blotch and leaf rust resistance in the BCD47 × Baronesse barley mapping population. |
Fecha de publicación : |
2012 |
Fuente / Imprenta : |
Plant Breeding, v. 131, n. 2, p. 258-266, 2012. |
ISSN : |
0179-9541 |
DOI : |
10.1111/j.1439-0523.2011.01930.x |
Idioma : |
Inglés |
Notas : |
Article histoty: Received December 22, 2010/Accepted October 26, 2011. |
Contenido : |
Abstract:We studied the genetics of the resistance to leaf rust (LR) (caused by Puccinia hordei) and spot blotch (SB) (caused by Cochliobolus sativus)
in barley using a doubled-haploid population derived from the cross BCD47 · Baronesse. BCD47 has low SB severity and high susceptibility to LR, while Baronesse is susceptible to SB and has low LR severity. Resistance to both diseases is expressed at the adult plant stage. The population was phenotyped in eight field environments for SB and nine for LR. Ten quantitative trait loci (QTLs) were detected for SB. None were significant in more than three environments, and
both parents contributed resistance alleles. Five QTLs were detected for LR. The most consistent quantitative trait locus (QTL) (significant
in seven environments) was on chromosome 6H (located on the Bmag173-Bmag009 interval) with Baronesse contributing the resistance allele. Coincident QTL effects for SB were also detected in this region with resistance alleles to the two diseases in repulsion. These results illustrate the difficulties of resistance gene detection in the complex disease environments found under field conditions. |
Palabras claves : |
COCHLIOBOLUS SATIVUS; DISEASE RESISTANCE; HORDEUM; LEAF RUST; PUCCINIA HORDEI; QUANTITATIVE TRAIT LOCI; SPOT BLOTCH. |
Thesagro : |
FITOPATOLOGIA. |
Asunto categoría : |
H20 Enfermedades de las plantas |
Marc : |
LEADER 02163naa a2200325 a 4500 001 1050040 005 2019-11-07 008 2012 bl uuuu u00u1 u #d 022 $a0179-9541 024 7 $a10.1111/j.1439-0523.2011.01930.x$2DOI 100 1 $aCASTRO A. 245 $aQuantitative trait locus analysis of spot blotch and leaf rust resistance in the BCD47 × Baronesse barley mapping population.$h[electronic resource] 260 $c2012 500 $aArticle histoty: Received December 22, 2010/Accepted October 26, 2011. 520 $aAbstract:We studied the genetics of the resistance to leaf rust (LR) (caused by Puccinia hordei) and spot blotch (SB) (caused by Cochliobolus sativus) in barley using a doubled-haploid population derived from the cross BCD47 · Baronesse. BCD47 has low SB severity and high susceptibility to LR, while Baronesse is susceptible to SB and has low LR severity. Resistance to both diseases is expressed at the adult plant stage. The population was phenotyped in eight field environments for SB and nine for LR. Ten quantitative trait loci (QTLs) were detected for SB. None were significant in more than three environments, and both parents contributed resistance alleles. Five QTLs were detected for LR. The most consistent quantitative trait locus (QTL) (significant in seven environments) was on chromosome 6H (located on the Bmag173-Bmag009 interval) with Baronesse contributing the resistance allele. Coincident QTL effects for SB were also detected in this region with resistance alleles to the two diseases in repulsion. These results illustrate the difficulties of resistance gene detection in the complex disease environments found under field conditions. 650 $aFITOPATOLOGIA 653 $aCOCHLIOBOLUS SATIVUS 653 $aDISEASE RESISTANCE 653 $aHORDEUM 653 $aLEAF RUST 653 $aPUCCINIA HORDEI 653 $aQUANTITATIVE TRAIT LOCI 653 $aSPOT BLOTCH 700 1 $aGAMBA, F. 700 1 $aGERMÁN, S. 700 1 $aGONZÁLEZ, S.N. 700 1 $aHAYES, P.M. 700 1 $aPEREYRA, S. 700 1 $aPÉREZ, C. 773 $tPlant Breeding$gv. 131, n. 2, p. 258-266, 2012.
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