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dc.contributor.author
González Paleo, Luciana
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dc.contributor.author
Ravetta, Damián Andrés
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dc.contributor.author
Vilela, Alejandra Elena
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dc.date.available
2024-08-28T10:30:53Z
dc.date.issued
2024-10
dc.identifier.citation
González Paleo, Luciana; Ravetta, Damián Andrés; Vilela, Alejandra Elena; A phenotypic integration approach to breeding seedlings for early vigor and drought resistant traits; Elsevier Science; Industrial Crops and Products; 218; 10-2024; 1-10
dc.identifier.issn
0926-6690
dc.identifier.uri
http://hdl.handle.net/11336/243226
dc.description.abstract
Silphium is being domesticated as a new perennial biomass and oilseed crop. As a consequence of selection toimprove yield, seedling´s growth and survival are expected to be affected indirectly. The phenotypic integrationtheory predicts that selection acts on the correlation structure among root and leaf traits. In order to assess thepossibility of breeding simultaneously for early vigor and drought tolerance in Silphium integrifolium, two goalswere proposed: 1) to assess trait coordination within and between plant modules in improved and wild accessions,and 2) to evaluate the effectiveness of leaf traits as selection criteria to develop vigorous and droughttolerant seedlings. Improved accessions were selected using three criteria: 1) seed yield (SEED); 2) leaf traitsrelated to fast growth (FAST) or 3) slow growth (SLOW). FAST and SEED accessions accumulated biomass fasterand had higher leaf area-root length ratio, than SLOW and wild. FAST´s traits were related to early abovegroundvigor such as thinner leaves and higher specific leaf area, but roots were more superficial and their volumesmaller, which is linked to low vigor and soil exploration. This has consequences for early outperformance ofweeds and soil evaporation reduction, but may also imply tradeoffs, diminishing resistance to drought. Weconclude that leaf traits cannot be used to select for vigorous and drought resistant seedlings, because the lack ofcoordination between leaves and roots. Nonetheless, phenotypic integration suggests that leaf traits can be usedto select Silphium varieties for different target environments.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Elsevier Science
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dc.rights
info:eu-repo/semantics/restrictedAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Leaf area
dc.subject
SLA
dc.subject
Seedling growth rate
dc.subject
Root strategy
dc.subject
SRL
dc.subject
Root length
dc.subject.classification
Otras Ciencias Agrícolas
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dc.subject.classification
Otras Ciencias Agrícolas
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dc.subject.classification
CIENCIAS AGRÍCOLAS
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dc.title
A phenotypic integration approach to breeding seedlings for early vigor and drought resistant traits
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2024-08-26T14:59:21Z
dc.journal.volume
218
dc.journal.pagination
1-10
dc.journal.pais
Países Bajos
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dc.journal.ciudad
Amsterdam
dc.description.fil
Fil: González Paleo, Luciana. Museo Paleontológico Egidio Feruglio; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
dc.description.fil
Fil: Ravetta, Damián Andrés. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Museo Paleontológico Egidio Feruglio; Argentina
dc.description.fil
Fil: Vilela, Alejandra Elena. Museo Paleontológico Egidio Feruglio; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
dc.journal.title
Industrial Crops and Products
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://linkinghub.elsevier.com/retrieve/pii/S0926669024008215
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.indcrop.2024.118844
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