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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 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 : |
OTERO, A.; GOÑI, C.; SYVERTSEN, J.P. |
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Afiliación : |
ALVARO RICARDO OTERO CAMA, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; CARMEN TERESITA GOÑI ALTUNA, 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 and soil temperature affect water relations and photosynthesis of citrus rootstock leaves. |
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Fecha de publicación : |
2015 |
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Fuente / Imprenta : |
Acta Horticulturae, 2015, no.1065, p. 1399-1406. [Conference Paper] |
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ISBN : |
978-94-62610-53-8 |
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ISSN : |
0567-7572 |
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DOI : |
10.17660/ActaHortic.2015.1065.177 |
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Idioma : |
Inglés |
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Notas : |
Proc. XII International Citrus Congress - International Society of Citriculture. Eds. B. Sabater-Muñoz, P. Moreno, L. Peña, L. Navarro (3 vols.) |
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Contenido : |
ABSTRACT.
We evaluated the effects of the soil temperature (15, 25 and 35°C) and soil anoxia from flooding for 20 days on citrus rootstock seedlings of CT33 trifoliate, Carrizo citrange and Troyer citrange along with Tucuman, Pomeroy and Rubidoux trifoliates in a greenhouse. Flooding had no effect on shoot water potential (Ψs) at 25°C but at 15°C and 35°C, there were differences from non-flooded trees. Carrizo and Troyer had higher Ψs than CT33, and Tucuman had the highest Ψs among the trifoliates. Soil temperature was more important than flooding in determining plant water relations. At 35°C, ACO2 was reduced up to 14% of non-flooded plants in 4 days, particularly in CT33. In flooded seedlings, across the three genotypes, the decrease of Fv/Fm was highest at 35°C. Troyer rootstock maintained lower ACO2 at 35°C Based on leaf net gas exchange, chlorophyll fluorescence and water relations,
above optimal soil temperature accelerates seedling deterioration. CT33 was less tolerant than Carrizo and Troyer at 35°C, whereas Tucuman, Pomeroy and Rubidoux had similar tolerance to anoxia regardless of soil temperature. |
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Palabras claves : |
ABIOTIC STRESSES; ANOXIA; CITRUS ROOTSTOCK; PHOTOSYNTHESIS; TEMPERATURE. |
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Thesagro : |
CITRUS. |
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Asunto categoría : |
-- |
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Marc : |
LEADER 02065naa a2200265 a 4500
001 1055734
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.2015.1065.177$2DOI
100 1 $aOTERO, A.
245 $aFlooding and soil temperature affect water relations and photosynthesis of citrus rootstock leaves.$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 evaluated the effects of the soil temperature (15, 25 and 35°C) and soil anoxia from flooding for 20 days on citrus rootstock seedlings of CT33 trifoliate, Carrizo citrange and Troyer citrange along with Tucuman, Pomeroy and Rubidoux trifoliates in a greenhouse. Flooding had no effect on shoot water potential (Ψs) at 25°C but at 15°C and 35°C, there were differences from non-flooded trees. Carrizo and Troyer had higher Ψs than CT33, and Tucuman had the highest Ψs among the trifoliates. Soil temperature was more important than flooding in determining plant water relations. At 35°C, ACO2 was reduced up to 14% of non-flooded plants in 4 days, particularly in CT33. In flooded seedlings, across the three genotypes, the decrease of Fv/Fm was highest at 35°C. Troyer rootstock maintained lower ACO2 at 35°C Based on leaf net gas exchange, chlorophyll fluorescence and water relations, above optimal soil temperature accelerates seedling deterioration. CT33 was less tolerant than Carrizo and Troyer at 35°C, whereas Tucuman, Pomeroy and Rubidoux had similar tolerance to anoxia regardless of soil temperature.
650 $aCITRUS
653 $aABIOTIC STRESSES
653 $aANOXIA
653 $aCITRUS ROOTSTOCK
653 $aPHOTOSYNTHESIS
653 $aTEMPERATURE
700 1 $aGOÑI, C.
700 1 $aSYVERTSEN, J.P.
773 $tActa Horticulturae, 2015, no.1065, p. 1399-1406. [Conference Paper]
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