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| 64. |  | SYVERTSEN, J.P.; GOÑI, C.; OTERO, A. Fruit load and canopy shading affect leaf characteristics and net gas exchange of 'Spring' navel orange trees. Tree Physiology, September 2003, Volume 23, Issue 13, Pages 899-906. OPEN ACCESS. Article history: Received December 11, 2002 / Accepted March 8, 2003 / Published online August 1, 2003.| Biblioteca(s): INIA Las Brujas. |
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| 66. | | OTERO, A.; PIRIZ, S.; SILVERA, E. Optimización de la intensidad de raleo de frutas en mandarina Satsuma cv Okitsu (Citrus unshiu Marc) en las condiciones productivas de Salto, Uruguay. ln: Congreso Nacional de Horticultura, 8.; Seminario Regional de Frutilla, 2001, Salto, Uruguay. Resúmenes. Montevideo (Uruguay): SUH; INIA, 2001. p. 63 Sociedad Uruguaya de Horticultura; Instituto Nacional de Investigación Agropecuaria, Uruguay| Biblioteca(s): INIA Las Brujas; INIA Salto Grande; INIA Tacuarembó; INIA Treinta y Tres. |
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| 74. | | BERGER, A.; OTERO, A.; MORALES, X.; CALISTRO, R. Actual evapotranspiration measurement trough [i.e. through] eddy covariance in Uruguay: abstract. Agrociencia Uruguay, v. 19, special issue "Inter-Regional CIGR Conference on Land and Water Challenges, 3., La Estanzuela, Colonia, UY. Tools for developing; "Dr. Mario García Petillo"", p. 4, 2015.| Biblioteca(s): INIA La Estanzuela. |
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| 75. | | NAVAS, R.; TISCORNIA, G.; BERGER, A.; OTERO, A. Assessing MODIS16A2 actual evapotranspiration across three spatial resolutions in Uruguay. [Evaluación de la evapotranspiración de MODIS16A2 en tres resoluciones espaciales en Uruguay.]. [Avaliação do producto da evapotranspiração MODIS16A2 em três resoluções espaciais no Uruguai.] Section: Natural and environmental resources. Agrociencia Uruguay, 2021, vol. 25, n.2, article e429. Doi: https://doi.org/10.31285/AGRO.25.429 Article history: Received 22 Oct 2020; Accepted 04 May 2021; Published 26 Jun 2021.
Editor: Mónica M. Barbazán, Universidad de la República, Montevideo, Uruguay.
Correspondence: Rafael Navas, mail: rafaelnavas23@gmail.com| Biblioteca(s): INIA Las Brujas. |
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| 76. | | GASO, D.; BERGER, A.; POLACK, G.; CIGANDA, V.; OTERO, A. Assimilating leaf area index time series into a simple crop growth model to estimate soil water holding capacity and soybean yield. In: INTERNATIONAL ANNUAL MEETINGS,2013, Tampa, FL, USA. Water, Food, Energy & Innovation for a Sustainable World: Poster no. 804. Florida: ASA/CSSA/SSSA, 2013.| Biblioteca(s): INIA La Estanzuela. |
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| 78. | | OTERO, A.; BERGER, A.; MORALES, X.; CALISTRO, R. Eddy covariance estimates of evapotranspiration in irrigated and rainfed soybean in Uruguay: abstract. Agrociencia Uruguay, 2015, v.19, Special Issue, Congreso CIGR. 3r. Inter-Regional CIGR Conference on Land and Water Challenges: Tools for developing "Dr. Mario García Petillo", p.8 EDITORIAL BOARD SPECIAL ISSUE: García, C. (Instituto Nacional de Investigación Agropecuaria); Puppo, L. (Universidad de la República, Facultad de Agronomía); Tarjuelo, J.M. (Univ. Castilla-La Mancha, España); Carsjens, G-.J....| Biblioteca(s): INIA La Estanzuela; INIA Las Brujas. |
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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. |
|
Fecha actual : |
25/09/2016 |
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Actualizado : |
25/09/2016 |
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Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
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Circulación / Nivel : |
Internacional - -- |
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Autor : |
GOÑI, C.; OTERO, A.; SYVERTSEN, J.P. |
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Afiliación : |
CARMEN TERESITA GOÑI ALTUNA, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; ALVARO RICARDO OTERO CAMA, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; JAMES P. SYVERTSEN, Institute of Food and Agricultural Science (IFAS), Citrus Research and Education Center (CREC), University of Florida. |
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Título : |
Flooding affects fruitlet abscission in Satsuma Mandarin. |
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Fecha de publicación : |
2015 |
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Fuente / Imprenta : |
Acta Horticulturae, 2015, no.1065, p. 1407-1416. [Conference Paper] |
|
ISBN : |
978-94-62610-53-8 |
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ISSN : |
0567-7572 |
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DOI : |
10.17660/ActaHortic.2015.1065.178 |
|
Idioma : |
Inglés |
|
Notas : |
Proc. XII International Citrus Congress - International Society of Citriculture. Eds. B. Sabater-Muñoz, P. Moreno, L. Peña, L. Navarro (3 vols.) |
|
Contenido : |
ABSTRACT.
We tested the effect of soil hypoxia from flooding on fruit drop in a mature orchard of ?Satsuma mandarin? (Citrus unshiu Marcow) trees on Pomeroy (Poncirus trifoliate (L.) Raf.) rootstock. Trees were flooded for 30 days with 10 cm water above the soil surface using a 60 cm high aluminum barrier which was buried to depth a 45 cm around the trees. Flooding began at flower anthesis and lasted until early fruit set. Flooding reduced the soil oxygen levels from 5 to 2 µg O2 cm-2 min-1. Relative fruit drop rate was higher in flooded trees than in non-flooded trees and the spring flush shoot numbers was reduced by flooding but not shoot length. Shoot water potential was reduced but leaf chlorophyll was not affected in leaves. Flooding immediately reduced net CO2 assimilation rate (ACO2), stomatal conductance and reduced quantum yield efficiency of the PSII after 3 weeks. There were only small
changes in internal CO2 concentration in leaves and no changes in maximum quantum efficiency (Fv/Fm) or basal chlorophyll florescence (Fo). This suggested that non-stomatal factors were more important than stomatal factors in limiting ACO2. Root function was reduced and an accumulation leaf starch was related to early fruit drop. Soil hypoxia from anthesis to early fruit set induced fruitlet abscission in Satsuma mandarin and was linked to tree water relations. |
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Palabras claves : |
FRUIT DROP; HYPOXIA; LEAF FLUORESCENCE; LEAF PHOTOSYNTHESIS. |
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Thesagro : |
CITRUS. |
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Asunto categoría : |
-- |
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Marc : |
LEADER 02224naa a2200253 a 4500
001 1055731
005 2016-09-25
008 2015 bl uuuu u00u1 u #d
020 $a978-94-62610-53-8
022 $a0567-7572
024 7 $a10.17660/ActaHortic.2015.1065.178$2DOI
100 1 $aGOÑI, C.
245 $aFlooding affects fruitlet abscission in Satsuma Mandarin.$h[electronic resource]
260 $c2015
500 $aProc. XII International Citrus Congress - International Society of Citriculture. Eds. B. Sabater-Muñoz, P. Moreno, L. Peña, L. Navarro (3 vols.)
520 $aABSTRACT. We tested the effect of soil hypoxia from flooding on fruit drop in a mature orchard of ?Satsuma mandarin? (Citrus unshiu Marcow) trees on Pomeroy (Poncirus trifoliate (L.) Raf.) rootstock. Trees were flooded for 30 days with 10 cm water above the soil surface using a 60 cm high aluminum barrier which was buried to depth a 45 cm around the trees. Flooding began at flower anthesis and lasted until early fruit set. Flooding reduced the soil oxygen levels from 5 to 2 µg O2 cm-2 min-1. Relative fruit drop rate was higher in flooded trees than in non-flooded trees and the spring flush shoot numbers was reduced by flooding but not shoot length. Shoot water potential was reduced but leaf chlorophyll was not affected in leaves. Flooding immediately reduced net CO2 assimilation rate (ACO2), stomatal conductance and reduced quantum yield efficiency of the PSII after 3 weeks. There were only small changes in internal CO2 concentration in leaves and no changes in maximum quantum efficiency (Fv/Fm) or basal chlorophyll florescence (Fo). This suggested that non-stomatal factors were more important than stomatal factors in limiting ACO2. Root function was reduced and an accumulation leaf starch was related to early fruit drop. Soil hypoxia from anthesis to early fruit set induced fruitlet abscission in Satsuma mandarin and was linked to tree water relations.
650 $aCITRUS
653 $aFRUIT DROP
653 $aHYPOXIA
653 $aLEAF FLUORESCENCE
653 $aLEAF PHOTOSYNTHESIS
700 1 $aOTERO, A.
700 1 $aSYVERTSEN, J.P.
773 $tActa Horticulturae, 2015, no.1065, p. 1407-1416. [Conference Paper]
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