dc.creator | Trentacoste, Eduardo Rafael | |
dc.creator | Sadras, Victor Oscar | |
dc.creator | Puertas, Carlos Marcelo | |
dc.date.accessioned | 2020-06-22T13:30:50Z | |
dc.date.accessioned | 2023-03-15T14:04:47Z | |
dc.date.available | 2020-06-22T13:30:50Z | |
dc.date.available | 2023-03-15T14:04:47Z | |
dc.date.created | 2020-06-22T13:30:50Z | |
dc.date.issued | 2011-06 | |
dc.identifier | 0022-0957 | |
dc.identifier | 1460-2431 | |
dc.identifier | https://doi.org/10.1093/jxb/err044 | |
dc.identifier | http://hdl.handle.net/20.500.12123/7450 | |
dc.identifier | https://academic.oup.com/jxb/article/62/10/3535/481553 | |
dc.identifier.uri | https://repositorioslatinoamericanos.uchile.cl/handle/2250/6210541 | |
dc.description.abstract | The aims of this work were to quantify (i) the effect of the source:sink ratio on stem water potential (SWP) and (ii) the phenotypic plasticity of SWP and its relationship to oil yield components in olive. Trees with a 3-fold variation in the source:sink ratio (crown volume/fruit number per tree) were monitored in 2007–2008 and 2008–2009 in a fully irrigated orchard in Mendoza, Argentina. The combination of rainfall, irrigation, and evaporative demand led to a steady SWP largely above –1.65 MPa in 2007–2008 and a marked seasonal decline from –1.13 MPa to –2.04 MPa in trees with a medium and low source:sink ratio in 2008–2009. Plasticity was quantified as the slope of the norm of reaction for each trait. Across seasons, trees with a high source:sink ratio had a higher SWP than their counterparts with a medium and low source:sink ratio. Plasticity of SWP was highest in olives with a low source:sink ratio (slope=1.28) and lowest for trees with a high source:sink ratio (slope=0.76). The average SWP for each source:sink ratio and season was unrelated to both the source:sink ratio and yield components. On the other hand, the plasticity of SWP was positively associated with fruit number and negatively associated with the source:sink ratio, fruit weight, and fruit oil weight. The plasticity of the SWP was unrelated to SWP per se. It is concluded that understanding the effect of the source:sink ratio on plant water relations would benefit from a dual perspective considering the trait per se and its plasticity. A dual approach would also allow for more robust plant-based indicators for irrigation. | |
dc.language | eng | |
dc.publisher | Society for Experimental Biology | |
dc.rights | info:eu-repo/semantics/openAccess | |
dc.source | Journal of Experimental Botany 62 (10) : 3535–3543. (June 2011) | |
dc.subject | Olea europaea | |
dc.subject | Plasticidad Fenotípica | |
dc.subject | Medio Ambiente | |
dc.subject | Relaciones Planta Agua | |
dc.subject | Rendimiento | |
dc.subject | Phenotypic Plasticity | |
dc.subject | Environment | |
dc.subject | Plant Water Relations | |
dc.subject | Yields | |
dc.title | Effects of the source:sink ratio on the phenotypic plasticity of stem water potential in olive (Olea europaea L.) | |
dc.type | info:ar-repo/semantics/artículo | |
dc.type | info:eu-repo/semantics/article | |
dc.type | info:eu-repo/semantics/publishedVersion | |