Responses in growth and physiological traits in two Populus × canadensis clones (‘I-214’ and ‘I-488’) submitted to different irrigation frequencies in central Chile
Water is the main limiting factor for poplar plantations in the Mediterranean zone of central Chile. Overall, water requirements in these plantations may be estimated using climatic and soil moisture data. However, irrigation strategies can be improved if growth and plant water status are considered...
| Autores principales: | , , , , , , , , , |
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| Formato: | Artículo |
| Lenguaje: | Inglés |
| Publicado: |
Elsevier
2020
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| Materias: | |
| Acceso en línea: | http://hdl.handle.net/20.500.12123/6706 https://www.sciencedirect.com/science/article/pii/S0378112719305572 https://doi.org/10.1016/j.foreco.2019.117455 |
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| author | Cañete Salinas, Paulo Zamudio, Francisco Yañez, Marco Gyenge, Javier Valdés, Héctor Espinosa, Cristian Jara Rojas, Francisco Venegas, Jaime Retamal, Luis Acevedo Opazo, César |
| author_browse | Acevedo Opazo, César Cañete Salinas, Paulo Espinosa, Cristian Gyenge, Javier Jara Rojas, Francisco Retamal, Luis Valdés, Héctor Venegas, Jaime Yañez, Marco Zamudio, Francisco |
| author_facet | Cañete Salinas, Paulo Zamudio, Francisco Yañez, Marco Gyenge, Javier Valdés, Héctor Espinosa, Cristian Jara Rojas, Francisco Venegas, Jaime Retamal, Luis Acevedo Opazo, César |
| author_sort | Cañete Salinas, Paulo |
| collection | INTA Digital |
| description | Water is the main limiting factor for poplar plantations in the Mediterranean zone of central Chile. Overall, water requirements in these plantations may be estimated using climatic and soil moisture data. However, irrigation strategies can be improved if growth and plant water status are considered. The aim of this study was to assess the growth (diameter increments) and leaf-level physiology (xylem water potential (Ψx) and stomatal conductance (gs)) responses of two Populus × canadensis clones (‘I-214’ and ‘I-488’) to different irrigation frequencies. The study was carried out during three growing seasons in commercial plantations located in the Maule Region, central Chile. Three irrigation frequencies were evaluated: an over-irrigation frequency (21 days) (T1); a standard irrigation frequency used operationally in the area (28 days) (T2) and a deficit irrigation frequency (35 days) (T3), while the watering time was held constant for all treatments. Although both clones belong to the same interspecific cross, they differed in their growth and physiological responses to water deficit. Compared with ‘I-214’, ‘I-488’ was more sensitive to lower irrigation frequencies (higher water restriction), which decreased the diameter increments, the water potential and stomatal conductance. The results suggest that the use of physiological and climatic information may improve water management on commercial poplar plantations. |
| format | Artículo |
| id | INTA6706 |
| institution | Instituto Nacional de Tecnología Agropecuaria (INTA -Argentina) |
| language | Inglés |
| publishDate | 2020 |
| publishDateRange | 2020 |
| publishDateSort | 2020 |
| publisher | Elsevier |
| publisherStr | Elsevier |
| record_format | dspace |
| spelling | INTA67062020-02-10T14:17:08Z Responses in growth and physiological traits in two Populus × canadensis clones (‘I-214’ and ‘I-488’) submitted to different irrigation frequencies in central Chile Cañete Salinas, Paulo Zamudio, Francisco Yañez, Marco Gyenge, Javier Valdés, Héctor Espinosa, Cristian Jara Rojas, Francisco Venegas, Jaime Retamal, Luis Acevedo Opazo, César Clones Populus Incremento de Diámetro Conductancia Estomática Tensión de Absorción Calendario de los Riegos Diameter Increment Stomatal Conductance Water Potential Irrigation Scheduling Chile Water is the main limiting factor for poplar plantations in the Mediterranean zone of central Chile. Overall, water requirements in these plantations may be estimated using climatic and soil moisture data. However, irrigation strategies can be improved if growth and plant water status are considered. The aim of this study was to assess the growth (diameter increments) and leaf-level physiology (xylem water potential (Ψx) and stomatal conductance (gs)) responses of two Populus × canadensis clones (‘I-214’ and ‘I-488’) to different irrigation frequencies. The study was carried out during three growing seasons in commercial plantations located in the Maule Region, central Chile. Three irrigation frequencies were evaluated: an over-irrigation frequency (21 days) (T1); a standard irrigation frequency used operationally in the area (28 days) (T2) and a deficit irrigation frequency (35 days) (T3), while the watering time was held constant for all treatments. Although both clones belong to the same interspecific cross, they differed in their growth and physiological responses to water deficit. Compared with ‘I-214’, ‘I-488’ was more sensitive to lower irrigation frequencies (higher water restriction), which decreased the diameter increments, the water potential and stomatal conductance. The results suggest that the use of physiological and climatic information may improve water management on commercial poplar plantations. EEA Balcarce Fil: Cañete-Salinas, Paulo. Universidad de Talca. Facultad de Ciencias Agrarias; Chile Fil: Zamudio, Francisco. Universidad de Talca. Facultad de Ciencias Forestales; Chile Fil: Yañez, Marco. Universidad de Talca. Núcleo Científico Multidisplinario; Chile Fil: Gyenge, Javier. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Instituto Nacional de Tecnología Agropecuaria (INTA) Estación Experimental Agropecuaria Balcarce. Agencia de Extensión Rural Tandil; Argentina. Fil: Valdés, Héctor. Pontificia Universidad Católica de Chile; Chile Fil: Espinosa, Cristian. Universidad de Talca. Facultad de Ciencias Forestales; Chile Fil: Jara-Rojas, Francisco. Orafti Chile S.A. Departamento de Investigación y Desarrollo; Chile Fil: Venegas, Jaime. Agrícola y Forestal el Álamo; Chile Fil: Retamal, Luis. Agrícola y Forestal el Álamo; Chile Fil: Acevedo-Opazo, César. Universidad de Talca. Facultad de Ciencias Agrarias; Chile 2020-02-10T14:11:03Z 2020-02-10T14:11:03Z 2019-10-01 info:ar-repo/semantics/artículo info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://hdl.handle.net/20.500.12123/6706 https://www.sciencedirect.com/science/article/pii/S0378112719305572 0378-1127 https://doi.org/10.1016/j.foreco.2019.117455 eng info:eu-repo/semantics/restrictedAccess application/pdf Elsevier Forest Ecology and Management 449 : 117455 (2019) |
| spellingShingle | Clones Populus Incremento de Diámetro Conductancia Estomática Tensión de Absorción Calendario de los Riegos Diameter Increment Stomatal Conductance Water Potential Irrigation Scheduling Chile Cañete Salinas, Paulo Zamudio, Francisco Yañez, Marco Gyenge, Javier Valdés, Héctor Espinosa, Cristian Jara Rojas, Francisco Venegas, Jaime Retamal, Luis Acevedo Opazo, César Responses in growth and physiological traits in two Populus × canadensis clones (‘I-214’ and ‘I-488’) submitted to different irrigation frequencies in central Chile |
| title | Responses in growth and physiological traits in two Populus × canadensis clones (‘I-214’ and ‘I-488’) submitted to different irrigation frequencies in central Chile |
| title_full | Responses in growth and physiological traits in two Populus × canadensis clones (‘I-214’ and ‘I-488’) submitted to different irrigation frequencies in central Chile |
| title_fullStr | Responses in growth and physiological traits in two Populus × canadensis clones (‘I-214’ and ‘I-488’) submitted to different irrigation frequencies in central Chile |
| title_full_unstemmed | Responses in growth and physiological traits in two Populus × canadensis clones (‘I-214’ and ‘I-488’) submitted to different irrigation frequencies in central Chile |
| title_short | Responses in growth and physiological traits in two Populus × canadensis clones (‘I-214’ and ‘I-488’) submitted to different irrigation frequencies in central Chile |
| title_sort | responses in growth and physiological traits in two populus canadensis clones i 214 and i 488 submitted to different irrigation frequencies in central chile |
| topic | Clones Populus Incremento de Diámetro Conductancia Estomática Tensión de Absorción Calendario de los Riegos Diameter Increment Stomatal Conductance Water Potential Irrigation Scheduling Chile |
| url | http://hdl.handle.net/20.500.12123/6706 https://www.sciencedirect.com/science/article/pii/S0378112719305572 https://doi.org/10.1016/j.foreco.2019.117455 |
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