Ecophysiological aspects of sun and shade leaves of Ponkan tangerine (Citrus reticulata Blanco)

The Ponkan tangerine (Citrus reticulata) has wide acceptance by consumers due to several properties; it is a colorful, sweet, and easy to peel fruit. The purpose of this study was to evaluate ecophysiological aspects of the response of plants of Ponkan tangerine to shading, according to relative int...

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Autores principales:	Grecco,Eduardo Domingos, Vianna Silveira,Luiz Flavio, de Souza Lima,Victor Luiz, Macedo Pezzopane,Jose Eduardo
Lenguaje:	English
Publicado:	Universidad de Tarapacá. Facultad de Ciencias Agronómicas 2014
Materias:	Ponkan Tangerine anatomical characteristics chlorophyll shading
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-34292014000400015
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spelling	oai:scielo:S0718-342920140004000152015-01-30Ecophysiological aspects of sun and shade leaves of Ponkan tangerine (Citrus reticulata Blanco)Grecco,Eduardo DomingosVianna Silveira,Luiz Flaviode Souza Lima,Victor LuizMacedo Pezzopane,Jose Eduardo Ponkan Tangerine anatomical characteristics chlorophyll shading The Ponkan tangerine (Citrus reticulata) has wide acceptance by consumers due to several properties; it is a colorful, sweet, and easy to peel fruit. The purpose of this study was to evaluate ecophysiological aspects of the response of plants of Ponkan tangerine to shading, according to relative intensity of light, in order to assess the adaptability of this species to shade. Leaves were collected from the upper canopy (sun) and lower canopy (shade) to determine the ecophysiological aspects. Cuts were by hand made to assess the thickness of palisade parenchyma, number of stomata (mm²) and total thickness of the leaf. Cross-sections of the middle part of leaves were obtained to assess the parenchyma, using a body-of-evidence, and for the stomata cuts were made on the abaxial surfaces. Chlorophyll was extracted from the leaves of Ponkan Tangerine and subsequently measured in a spectrophotometer at wave lengths 645nm and 663nm The ratio between chlorophyll a and b tended to increase with increased intensity of light. Shading did not affect the anatomical characteristics of Ponkan tangerine plants. However, chlorophyll levels were different in sun and shade leaves.info:eu-repo/semantics/openAccessUniversidad de Tarapacá. Facultad de Ciencias AgronómicasIdesia (Arica) v.32 n.4 20142014-11-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-34292014000400015en10.4067/S0718-34292014000400015
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Ponkan Tangerine anatomical characteristics chlorophyll shading
spellingShingle	Ponkan Tangerine anatomical characteristics chlorophyll shading Grecco,Eduardo Domingos Vianna Silveira,Luiz Flavio de Souza Lima,Victor Luiz Macedo Pezzopane,Jose Eduardo Ecophysiological aspects of sun and shade leaves of Ponkan tangerine (Citrus reticulata Blanco)
description	The Ponkan tangerine (Citrus reticulata) has wide acceptance by consumers due to several properties; it is a colorful, sweet, and easy to peel fruit. The purpose of this study was to evaluate ecophysiological aspects of the response of plants of Ponkan tangerine to shading, according to relative intensity of light, in order to assess the adaptability of this species to shade. Leaves were collected from the upper canopy (sun) and lower canopy (shade) to determine the ecophysiological aspects. Cuts were by hand made to assess the thickness of palisade parenchyma, number of stomata (mm²) and total thickness of the leaf. Cross-sections of the middle part of leaves were obtained to assess the parenchyma, using a body-of-evidence, and for the stomata cuts were made on the abaxial surfaces. Chlorophyll was extracted from the leaves of Ponkan Tangerine and subsequently measured in a spectrophotometer at wave lengths 645nm and 663nm The ratio between chlorophyll a and b tended to increase with increased intensity of light. Shading did not affect the anatomical characteristics of Ponkan tangerine plants. However, chlorophyll levels were different in sun and shade leaves.
author	Grecco,Eduardo Domingos Vianna Silveira,Luiz Flavio de Souza Lima,Victor Luiz Macedo Pezzopane,Jose Eduardo
author_facet	Grecco,Eduardo Domingos Vianna Silveira,Luiz Flavio de Souza Lima,Victor Luiz Macedo Pezzopane,Jose Eduardo
author_sort	Grecco,Eduardo Domingos
title	Ecophysiological aspects of sun and shade leaves of Ponkan tangerine (Citrus reticulata Blanco)
title_short	Ecophysiological aspects of sun and shade leaves of Ponkan tangerine (Citrus reticulata Blanco)
title_full	Ecophysiological aspects of sun and shade leaves of Ponkan tangerine (Citrus reticulata Blanco)
title_fullStr	Ecophysiological aspects of sun and shade leaves of Ponkan tangerine (Citrus reticulata Blanco)
title_full_unstemmed	Ecophysiological aspects of sun and shade leaves of Ponkan tangerine (Citrus reticulata Blanco)
title_sort	ecophysiological aspects of sun and shade leaves of ponkan tangerine (citrus reticulata blanco)
publisher	Universidad de Tarapacá. Facultad de Ciencias Agronómicas
publishDate	2014
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-34292014000400015
work_keys_str_mv	AT greccoeduardodomingos ecophysiologicalaspectsofsunandshadeleavesofponkantangerinecitrusreticulatablanco AT viannasilveiraluizflavio ecophysiologicalaspectsofsunandshadeleavesofponkantangerinecitrusreticulatablanco AT desouzalimavictorluiz ecophysiologicalaspectsofsunandshadeleavesofponkantangerinecitrusreticulatablanco AT macedopezzopanejoseeduardo ecophysiologicalaspectsofsunandshadeleavesofponkantangerinecitrusreticulatablanco
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Ecophysiological aspects of sun and shade leaves of Ponkan tangerine (Citrus reticulata Blanco)

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