Seed dormancy QTL identification across a Sorghum bicolor segregating population
Pre-harvest sprouting [PHS] in Sorghum bicolor is one of the main constrains for its production in the central region of Argentina, as grain maturation often coincides with rainy or high environmental humidity conditions. The obtention of more dormant genotypes with higher PHS resistance has always...
| Otros Autores: | , , , , , , , |
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| Formato: | Artículo |
| Lenguaje: | Inglés |
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| Acceso en línea: | http://ri.agro.uba.ar/files/intranet/articulo/2016cantoro1.pdf LINK AL EDITOR |
| Aporte de: | Registro referencial: Solicitar el recurso aquí |
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| 245 | 1 | 0 | |a Seed dormancy QTL identification across a Sorghum bicolor segregating population |
| 520 | |a Pre-harvest sprouting [PHS] in Sorghum bicolor is one of the main constrains for its production in the central region of Argentina, as grain maturation often coincides with rainy or high environmental humidity conditions. The obtention of more dormant genotypes with higher PHS resistance has always been a desirable trait for breeders but the typical quantitative nature of seed dormancy makes its manipulation difficult through classical breeding. Dissecting this quantitative variability into quantitative trait loci [QTL] is a main concern especially in cereal species. In this work, a sorghum segregating population including 190 families was genotyped with microsatellite markers and the SbABI5 candidate gene. A genetic map encompassing 96 markers and a total length of 1331 cM was built. Seed dormancy was phenotyped in F3 and F4 panicles in two contrasting Argentinean environments [Castelar and Manfredi]. Six seed dormancy QTL for mature grains were identified [qGI-1, qGI-3, qGI-4, qGI-6, qGI-7 and qGI-9] with the aid of QTL Cartographer and QTLNetwork, three of them [qGI-3, qGI-7 and qGI- 9] being co-localised by both approaches. No epistasis was detected for the identified QTL but QTL-byenvironment interaction was significant for qGI-7 and qGI-9. Interestingly, seed dormancy candidate genes. | ||
| 653 | 0 | |a PRE HARVEST SPROUNTING | |
| 653 | 0 | |a QTL | |
| 653 | 0 | |a SEED DORMANCY | |
| 653 | 0 | |a SORGHOM BICOLOR | |
| 653 | 0 | |a SSRS | |
| 700 | 1 | |9 36043 |a Cantoro, Renata | |
| 700 | 1 | |a Fernández, Luis G. |9 72951 | |
| 700 | 1 | |a Cervigni, Gerardo |9 44907 | |
| 700 | 1 | |a Rodríguez, María V. |9 72952 | |
| 700 | 1 | |a Gieco, Jorge O. |9 50233 | |
| 700 | 1 | |9 69315 |a Paniego, Norma | |
| 700 | 1 | |9 770 |a Heinz, Ruth Amelia | |
| 700 | 1 | |9 663 |a Benech Arnold, Roberto Luis | |
| 773 | |t Euphytica |g vol.211, no.1 (2016), p.41-56, tbls., grafs. | ||
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| 900 | |a ^tSeed dormancy QTL identification across a Sorghum bicolor segregating population | ||
| 900 | |a ^aCantoro^bR. | ||
| 900 | |a ^aFernández^bL. G. | ||
| 900 | |a ^aCervigni^bG. | ||
| 900 | |a ^aRodríguez^bM. V. | ||
| 900 | |a ^aGieco^bJ. O. | ||
| 900 | |a ^aPaniego^bN. | ||
| 900 | |a ^aHeinz^bR. A. | ||
| 900 | |a ^aBenech Arnold^bR. L. | ||
| 900 | |a ^aCantoro^bRenata | ||
| 900 | |a ^aFernández^bLuis G. | ||
| 900 | |a ^aCervigni^bGerardo | ||
| 900 | |a ^aRodríguez^bMaría V. | ||
| 900 | |a ^aGieco^bJorge O. | ||
| 900 | |a ^aPaniego^bNorma | ||
| 900 | |a ^aHeinz^bRuth Amelia | ||
| 900 | |a ^aBenech Arnold^bRoberto Luis | ||
| 900 | |a ^aCantoro, R. ^tIFEVA, Universidad de Buenos Aires, CONICET, Facultad de Agronomía, C1417DSE Buenos Aires, Argentina e-mail: cantoro@agro.uba.ar | ||
| 900 | |a ^aRodríguez, M. V.^tIFEVA, Universidad de Buenos Aires, CONICET, Facultad de Agronomía, C1417DSE Buenos Aires, Argentina | ||
| 900 | |a ^aBenech-Arnold, R. L.^tIFEVA, Universidad de Buenos Aires, CONICET, Facultad de Agronomía, C1417DSE Buenos Aires, Argentina e-mail: cantoro@agro.uba.ar | ||
| 900 | |a ^aFernández, L. G.^tInstituto de Biotecnología, CICVyA, Instituto Nacional de Tecnología Agropecuaria [INTA]-Castelar, B1686IGC Hurlingham, Buenos Aires, Argentina | ||
| 900 | |a ^aPaniego, N.^tInstituto de Biotecnología, CICVyA, Instituto Nacional de Tecnología Agropecuaria [INTA]-Castelar, B1686IGC Hurlingham, Buenos Aires, Argentina | ||
| 900 | |a ^aHeinz, R. A.^tInstituto de Biotecnología, CICVyA, Instituto Nacional de Tecnología Agropecuaria [INTA]-Castelar, B1686IGC Hurlingham, Buenos Aires, Argentina | ||
| 900 | |a ^aCervigni, G. D. L.^tCentro de Estudios Fotosintéticos y Bioquímicos [CEFOBI], Facultad de Ciencias Bioquímicas y Farmaceúticas, Universidad Nacional de Rosario, S2002LRK Rosario, Santa Fé, Argentina | ||
| 900 | |a ^aGieco, J. O.^tEstación Experimental Agropecuaria Manfredi, Instituto Nacional de Tecnología Agropecuaria [INTA], Manfredi, 5988, Córdoba, Argentina | ||
| 900 | |a ^aPaniego, N.^tFacultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, EHA1428 Ciudad Autónoma de Buenos Aires, Argentina | ||
| 900 | |a ^aHeinz, R. A.^tFacultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, EHA1428 Ciudad Autónoma de Buenos Aires, Argentina | ||
| 900 | |a ^aCervigni, G. D. L.^tConsejo Nacional de Investigaciones Científicas y Técnicas [CONICET], C1033AAJ Ciudad Autónoma de Buenos Aires, Argentina | ||
| 900 | |a ^aRodríguez, M. V.^tConsejo Nacional de Investigaciones Científicas y Técnicas [CONICET], C1033AAJ Ciudad Autónoma de Buenos Aires, Argentina | ||
| 900 | |a ^aPaniego, N.^tConsejo Nacional de Investigaciones Científicas y Técnicas [CONICET], C1033AAJ Ciudad Autónoma de Buenos Aires, Argentina | ||
| 900 | |a ^aHeinz, R. A.^tConsejo Nacional de Investigaciones Científicas y Técnicas [CONICET], C1033AAJ Ciudad Autónoma de Buenos Aires, Argentina | ||
| 900 | |a ^aBenech-Arnold, R. L.^tConsejo Nacional de Investigaciones Científicas y Técnicas [CONICET], C1033AAJ Ciudad Autónoma de Buenos Aires, Argentina | ||
| 900 | |a ^tEuphytica^sintenational journal of plant breeding | ||
| 900 | |a en | ||
| 900 | |a p.41 | ||
| 900 | |a ^itbls., grafs. | ||
| 900 | |a Vol.211, no.1 (2016) | ||
| 900 | |a 56 | ||
| 900 | |a PRE HARVEST SPROUNTING | ||
| 900 | |a QTL | ||
| 900 | |a SEED DORMANCY | ||
| 900 | |a SORGHOM BICOLOR | ||
| 900 | |a SSRS | ||
| 900 | |a Pre-harvest sprouting [PHS] in Sorghum bicolor is one of the main constrains for its production in the central region of Argentina, as grain maturation often coincides with rainy or high environmental humidity conditions. | ||
| 900 | |a The obtention of more dormant genotypes with higher PHS resistance has always been a desirable trait for breeders but the typical quantitative nature of seed dormancy makes its manipulation difficult through classical breeding. | ||
| 900 | |a Dissecting this quantitative variability into quantitative trait loci [QTL] is a main concern especially in cereal species. | ||
| 900 | |a In this work, a sorghum segregating population including 190 families was genotyped with microsatellite markers and the SbABI5 candidate gene. | ||
| 900 | |a A genetic map encompassing 96 markers and a total length of 1331 cM was built. | ||
| 900 | |a Seed dormancy was phenotyped in F3 and F4 panicles in two contrasting Argentinean environments [Castelar and Manfredi]. | ||
| 900 | |a Six seed dormancy QTL for mature grains were identified [qGI-1, qGI-3, qGI-4, qGI-6, qGI-7 and qGI-9] with the aid of QTL Cartographer and QTLNetwork, three of them [qGI-3, qGI-7 and qGI- 9] being co-localised by both approaches. | ||
| 900 | |a No epistasis was detected for the identified QTL but QTL-byenvironment interaction was significant for qGI-7 and qGI-9. Interestingly, seed dormancy candidate genes. | ||
| 900 | |a 2016 | ||
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| 900 | |a 2016cantoro1 | ||
| 900 | |a http://ri.agro.uba.ar/files/intranet/articulo/2016cantoro1.pdf | ||
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