Registro completo de metadatos
| Campo DC | Valor | Lengua/Idioma |
|---|---|---|
| dc.creator | Lo Valvo, Patricio Javier | - |
| dc.creator | Miralles, Daniel Julio | - |
| dc.creator | Serrago, Roman Augusto | - |
| dc.date | 2018-08-15T20:38:49Z | - |
| dc.date | 2018-08-15T20:38:49Z | - |
| dc.date | 2018-05 | - |
| dc.date | 2018-08-14T18:41:47Z | - |
| dc.date.accessioned | 2019-04-29T15:46:48Z | - |
| dc.date.available | 2019-04-29T15:46:48Z | - |
| dc.date.issued | 2018-05 | - |
| dc.identifier | Lo Valvo, Patricio Javier; Miralles, Daniel Julio; Serrago, Roman Augusto; Genetic progress in Argentine bread wheat varieties released between 1918 and 2011: Changes in physiological and numerical yield components; Elsevier Science; Field Crops Research; 221; 5-2018; 314-321 | - |
| dc.identifier | 0378-4290 | - |
| dc.identifier | http://hdl.handle.net/11336/55756 | - |
| dc.identifier | CONICET Digital | - |
| dc.identifier | CONICET | - |
| dc.identifier.uri | http://rodna.bn.gov.ar:8080/jspui/handle/bnmm/301799 | - |
| dc.description | The objective of this study is to update the data of genetic progress in bread wheat cultivars released in Argentina from 1918 to 2011 (emphasizing the last 20 years) characterizing different agronomic traits of interest for breeders. Experiments were carried out with a wide range of bread wheat cultivars and conducted under field conditions without nutritional and water restrictions. Yields showed a significant (R2 = 0.68) tri-linear trend when associated with the cultivar's year of release. Until the 40s, when the first inflection point occurred, the genetic progress in terms of yield was 0.8 kg ha−1 yr−1 (0.02% yr−1). Between 1940 and 1999, yield genetic progress reached its highest value (51 kg ha−1 yr−1; 1.17% yr−1) but changed after 1999 when values became lower compared to the previous period, showing a value of 14 kg ha−1 yr−1 (0.18% yr−1). Changes in grain yield were mostly explained by increases in harvest index and not by those in above-ground biomass. Plant height showed a negative bi-linear trend with the year of release, reaching an inflexion point well before the introgression of semi-dwarfing genes in commercial cultivars. Grain number increased ca. 63% when modern cultivars were compared to older ones, which explains most of the grain yield changes. In contrast to grain number, no significant differences between old and modern cultivars were found for grain weight, with average values of ca. 30 mg grain−1 for all environments explored. | - |
| dc.description | Fil: Lo Valvo, Patricio Javier. Universidad de Buenos Aires. Facultad de Agronomía. Departamento de Producción Vegetal. Cátedra de Cerealicultura; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina | - |
| dc.description | Fil: Miralles, Daniel Julio. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura. Universidad de Buenos Aires. Facultad de Agronomía; Argentina | - |
| dc.description | Fil: Serrago, Roman Augusto. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura. Universidad de Buenos Aires. Facultad de Agronomía; Argentina | - |
| dc.format | application/pdf | - |
| dc.format | application/pdf | - |
| dc.language | eng | - |
| dc.publisher | Elsevier Science | - |
| dc.relation | info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.fcr.2017.08.014 | - |
| dc.relation | info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0378429016308383 | - |
| dc.rights | info:eu-repo/semantics/restrictedAccess | - |
| dc.rights | https://creativecommons.org/licenses/by-nc-nd/2.5/ar/ | - |
| dc.source | reponame:CONICET Digital (CONICET) | - |
| dc.source | instname:Consejo Nacional de Investigaciones Científicas y Técnicas | - |
| dc.source | instacron:CONICET | - |
| dc.subject | GENETIC GAIN | - |
| dc.subject | GRAIN YIELD | - |
| dc.subject | SOURCE-SINK RATIO | - |
| dc.subject | TRITICUM AESTIVUM | - |
| dc.subject | Agricultura | - |
| dc.subject | Agricultura, Silvicultura y Pesca | - |
| dc.subject | CIENCIAS AGRÍCOLAS | - |
| dc.title | Genetic progress in Argentine bread wheat varieties released between 1918 and 2011: Changes in physiological and numerical yield components | - |
| dc.type | info:eu-repo/semantics/article | - |
| dc.type | info:eu-repo/semantics/publishedVersion | - |
| dc.type | info:ar-repo/semantics/articulo | - |
| Aparece en las colecciones: | CONICET | |
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