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 | Acceso al texto completo restringido a Biblioteca INIA Las Brujas. Por información adicional contacte bibliolb@inia.org.uy. |
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Registro completo
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Biblioteca (s) : |
INIA Las Brujas. |
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Fecha : |
25/02/2021 |
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Actualizado : |
25/02/2021 |
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Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
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Autor : |
ABREU, E. S.; CARRA, B.; DINI, M.; SILVA, T. A.; SIMOES, F.; PASA, M. S.; BRIGHENTI, A.F.; CHAVES, A.L.S.; MELLO-FARIAS, P.C.; HERTER, F.G. |
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Afiliación : |
E. S. ABREU, Programa de Pós-Graduaçao em Agronomia (PPGA), Universidade Federal de Pelotas (UFPel), Pelotas-RS, Brazil; BRUNO CARRA, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; Programa de Pós-Graduaçao em Agronomia (PPGA), Universidade Federal de Pelotas (UFPel), Pelotas-RS, Brazil; MAXIMILIANO ANTONIO DINI VIÑOLY, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; Programa de Pós-Graduaçao em Agronomia (PPGA), Universidade Federal de Pelotas (UFPel), Pelotas-RS, Brazil; T. A. SILVA, Programa de Pós-Graduaçao em Agronomia (PPGA), Universidade Federal de Pelotas (UFPel), Pelotas-RS, Brazil; F. SIMOES, Departamento de Ciencias da Vida, Universidade Estadual do Rio Grande do Sul, Vacaria, RS, Brazi; M. S. PASA, Department of Horticulture, Oregon State University, Mid-Columbia Agricultural Research and Extension Center, Hood Rive, OR, USA; A.F. BRIGHENTI, Empresa de Pesquisa Agropecuária e Extensao Rural de Santa Catarina, Estaçao Experimental de Sao Joaquim, Sao Joaquim, SC, Brazil.; A.L.S. CHAVES, Programa de Pós-Graduaçao em Agronomia (PPGA), Universidade Federal de Pelotas (UFPel), Pelotas-RS, Brazil; P.C. MELLO-FARIAS, Programa de Pós-Graduaçao em Agronomia (PPGA), Universidade Federal de Pelotas (UFPel), Pelotas-RS, Brazil; F.G. HERTER, Programa de Pós-Graduaçao em Agronomia (PPGA), Universidade Federal de Pelotas (UFPel), Pelotas-RS, Brazil. |
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Título : |
Native embolism in 'Rocha' pear under different rootstocks and their relationship with plant vigor. [Conference paper]. |
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Fecha de publicación : |
2021 |
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Fuente / Imprenta : |
Acta Horticulturae, February 2021, N°1303, p. 221-226. DOI: https://doi.org/10.17660/ActaHortic.2021.1303.32 |
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ISSN : |
0567-7572 (print); 2406-6168 (electronic) |
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DOI : |
10.17660/ActaHortic.2021.1303.32 |
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Idioma : |
Inglés |
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Notas : |
Article history: Published 5 February 2021. In: Acta Horticulturae (ISHS) 1303: XIII International Pear Symposium, Montevideo, Uruguay. Conveners: Roberto Zoppolo, Danilo Cabrera. Editors: Roberto Zoppolo, Danilo Cabrera, D. Granatstein. |
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Contenido : |
ABSTRACT.
Water relation between rootstocks and cultivars is a key issue in pear culture. Studies suggest that the plant water flow may be related to the greater or lesser grafted plant vigor, where an increase in the hydraulic resistance caused by the graft union would lead to plants with lower vigor. The Xyl'em-Plus apparatus was developed to measure the hydraulic conductance of xylem vessels and the embolism in the vascular system of woody plants, which through small segments of plant stems, measures the percentage of loss of conductance (PLC) in the xylem due to air blockage. From this parameter, along with a variable related to plant vigor, such as trunk cross section area (TCSA) increase, we can infer if the hydraulic conductance caused by the rootstock is interfering in the plant development. Thus, this work evaluated the PLC of ?Rocha? pear trees, grafted on three different rootstocks, comparing the vigor between these rootstocks with the purpose of inferring the effect of hydraulic conductance on plant vigor. Shoots of 'Rocha' pear trees grafted on Pyrus calleryana, ?BA29? and ?EMA? quinces rootstocks, were collected in an orchard in São Joaquim, SC, Brazil, after fruit harvest. This material was taken to the laboratory to carry out the PLC measurements. PLC and TCSA increase showed significant difference in the different rootstocks. Pyrus calleryana showed the lowest PLC compared to the other rootstocks with the highest TCSA increase, differing significantly from 'EMA' for PLC and from both 'BA29' and 'EMA' for TCSA increase. 'BA29' and 'EMA' did not present a significant difference between them, in both PLC and TCSA increase. These results show that the xylem water flow restriction in 'Rocha' pears is perhaps due to the different characteristics of the rootstocks and related to the lower vigor of pear trees.
@ International Society for Horticultural Science. MenosABSTRACT.
Water relation between rootstocks and cultivars is a key issue in pear culture. Studies suggest that the plant water flow may be related to the greater or lesser grafted plant vigor, where an increase in the hydraulic resistance caused by the graft union would lead to plants with lower vigor. The Xyl'em-Plus apparatus was developed to measure the hydraulic conductance of xylem vessels and the embolism in the vascular system of woody plants, which through small segments of plant stems, measures the percentage of loss of conductance (PLC) in the xylem due to air blockage. From this parameter, along with a variable related to plant vigor, such as trunk cross section area (TCSA) increase, we can infer if the hydraulic conductance caused by the rootstock is interfering in the plant development. Thus, this work evaluated the PLC of ?Rocha? pear trees, grafted on three different rootstocks, comparing the vigor between these rootstocks with the purpose of inferring the effect of hydraulic conductance on plant vigor. Shoots of 'Rocha' pear trees grafted on Pyrus calleryana, ?BA29? and ?EMA? quinces rootstocks, were collected in an orchard in São Joaquim, SC, Brazil, after fruit harvest. This material was taken to the laboratory to carry out the PLC measurements. PLC and TCSA increase showed significant difference in the different rootstocks. Pyrus calleryana showed the lowest PLC compared to the other rootstocks with the highest TCSA increase, differing significantly from '... Presentar Todo |
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Palabras claves : |
Hydraulic resistance; Vegetative growth; Water flow; Xyl'em apparatus,. |
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Thesagro : |
PYRUS COMMUNIS. |
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Asunto categoría : |
F30 Genética vegetal y fitomejoramiento |
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Marc : |
LEADER 03167naa a2200325 a 4500
001 1061764
005 2021-02-25
008 2021 bl uuuu u00u1 u #d
022 $a0567-7572 (print); 2406-6168 (electronic)
024 7 $a10.17660/ActaHortic.2021.1303.32$2DOI
100 1 $aABREU, E. S.
245 $aNative embolism in 'Rocha' pear under different rootstocks and their relationship with plant vigor. [Conference paper].$h[electronic resource]
260 $c2021
500 $aArticle history: Published 5 February 2021. In: Acta Horticulturae (ISHS) 1303: XIII International Pear Symposium, Montevideo, Uruguay. Conveners: Roberto Zoppolo, Danilo Cabrera. Editors: Roberto Zoppolo, Danilo Cabrera, D. Granatstein.
520 $aABSTRACT. Water relation between rootstocks and cultivars is a key issue in pear culture. Studies suggest that the plant water flow may be related to the greater or lesser grafted plant vigor, where an increase in the hydraulic resistance caused by the graft union would lead to plants with lower vigor. The Xyl'em-Plus apparatus was developed to measure the hydraulic conductance of xylem vessels and the embolism in the vascular system of woody plants, which through small segments of plant stems, measures the percentage of loss of conductance (PLC) in the xylem due to air blockage. From this parameter, along with a variable related to plant vigor, such as trunk cross section area (TCSA) increase, we can infer if the hydraulic conductance caused by the rootstock is interfering in the plant development. Thus, this work evaluated the PLC of ?Rocha? pear trees, grafted on three different rootstocks, comparing the vigor between these rootstocks with the purpose of inferring the effect of hydraulic conductance on plant vigor. Shoots of 'Rocha' pear trees grafted on Pyrus calleryana, ?BA29? and ?EMA? quinces rootstocks, were collected in an orchard in São Joaquim, SC, Brazil, after fruit harvest. This material was taken to the laboratory to carry out the PLC measurements. PLC and TCSA increase showed significant difference in the different rootstocks. Pyrus calleryana showed the lowest PLC compared to the other rootstocks with the highest TCSA increase, differing significantly from 'EMA' for PLC and from both 'BA29' and 'EMA' for TCSA increase. 'BA29' and 'EMA' did not present a significant difference between them, in both PLC and TCSA increase. These results show that the xylem water flow restriction in 'Rocha' pears is perhaps due to the different characteristics of the rootstocks and related to the lower vigor of pear trees. @ International Society for Horticultural Science.
650 $aPYRUS COMMUNIS
653 $aHydraulic resistance
653 $aVegetative growth
653 $aWater flow
653 $aXyl'em apparatus,
700 1 $aCARRA, B.
700 1 $aDINI, M.
700 1 $aSILVA, T. A.
700 1 $aSIMOES, F.
700 1 $aPASA, M. S.
700 1 $aBRIGHENTI, A.F.
700 1 $aCHAVES, A.L.S.
700 1 $aMELLO-FARIAS, P.C.
700 1 $aHERTER, F.G.
773 $tActa Horticulturae, February 2021, N°1303, p. 221-226. DOI: https://doi.org/10.17660/ActaHortic.2021.1303.32
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| 3. | | MARTÍNEZ, G.; LOPEZ, L.; CANTERO, A.; GONZALEZ, A.; DICKE, M. Life history analysis of Thaumastocoris peregrinus in a newly designed mass rearing strategy. Bulletin of Insectology, 2014, v. 67, no. 2, p. 199-205. 2-s2.0-84923283841 Article history: Received February 18, 2014; Accepted July 31, 2014.| Tipo: Artículos en Revistas Indexadas Internacionales | Circulación / Nivel : Internacional - -- |
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