Statistical studies on anatomical modifications in the radicle and hypocotyl of cotton induced by NaCl

Salinity affects extensive arid and semiarid areas all over the world, producing diminished yields of many crops. Even though there is a variety of research and reviews related to physiological and anatomical modifications produced in salinity-tolerant species, today there are different points of vi...

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Autores principales:	CASENAVE,ESTER C, DEGANO,CLAUDIA AM, TOSELLI,MARIA E, CATAN,ESTELA A
Lenguaje:	English
Publicado:	Sociedad de Biología de Chile 1999
Materias:	anatomical changes cotton germination growth salinity
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-97601999000400008
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spelling	oai:scielo:S0716-976019990004000082000-11-27Statistical studies on anatomical modifications in the radicle and hypocotyl of cotton induced by NaClCASENAVE,ESTER CDEGANO,CLAUDIA AMTOSELLI,MARIA ECATAN,ESTELA A anatomical changes cotton germination growth salinity Salinity affects extensive arid and semiarid areas all over the world, producing diminished yields of many crops. Even though there is a variety of research and reviews related to physiological and anatomical modifications produced in salinity-tolerant species, today there are different points of view in relation to this topic, and especially due to technical limitations, there are few articles in which anatomical modifications have been quantified. The aim of this research is to quantitatively and statistically evaluate the modifications that are produced in radicles and hypocotyles of cotton seedlings growing in NaCl concentrations that affect the early ontogenetic stages of this crop. Germination of two varieties of cotton at increasing concentrations (0 to 450 meq/l) of NaCl was studied as well as the growth of seedlings after their germination in water. Anatomical modifications induced in radicles and hypocotyles were analyzed quantitatively with an image analyzer. There were no differences among varieties. While the percentage of germination decreased at the 252 meq/l NaCl level, the velocity of the process and seedling growth was inhibited at lower concentrations. With increased salinity, the cortex and pith of radicle increased in width, while the xylem decreased. In the hypocotyl, the width of cortex increased, as did the number and diameter of gossypol glands. This change deserves further studies in relation to the participation of these glands in the capacity of the seedlings to tolerate salinityinfo:eu-repo/semantics/openAccessSociedad de Biología de ChileBiological Research v.32 n.4 19991999-01-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-97601999000400008en10.4067/S0716-97601999000400008
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	anatomical changes cotton germination growth salinity
spellingShingle	anatomical changes cotton germination growth salinity CASENAVE,ESTER C DEGANO,CLAUDIA AM TOSELLI,MARIA E CATAN,ESTELA A Statistical studies on anatomical modifications in the radicle and hypocotyl of cotton induced by NaCl
description	Salinity affects extensive arid and semiarid areas all over the world, producing diminished yields of many crops. Even though there is a variety of research and reviews related to physiological and anatomical modifications produced in salinity-tolerant species, today there are different points of view in relation to this topic, and especially due to technical limitations, there are few articles in which anatomical modifications have been quantified. The aim of this research is to quantitatively and statistically evaluate the modifications that are produced in radicles and hypocotyles of cotton seedlings growing in NaCl concentrations that affect the early ontogenetic stages of this crop. Germination of two varieties of cotton at increasing concentrations (0 to 450 meq/l) of NaCl was studied as well as the growth of seedlings after their germination in water. Anatomical modifications induced in radicles and hypocotyles were analyzed quantitatively with an image analyzer. There were no differences among varieties. While the percentage of germination decreased at the 252 meq/l NaCl level, the velocity of the process and seedling growth was inhibited at lower concentrations. With increased salinity, the cortex and pith of radicle increased in width, while the xylem decreased. In the hypocotyl, the width of cortex increased, as did the number and diameter of gossypol glands. This change deserves further studies in relation to the participation of these glands in the capacity of the seedlings to tolerate salinity
author	CASENAVE,ESTER C DEGANO,CLAUDIA AM TOSELLI,MARIA E CATAN,ESTELA A
author_facet	CASENAVE,ESTER C DEGANO,CLAUDIA AM TOSELLI,MARIA E CATAN,ESTELA A
author_sort	CASENAVE,ESTER C
title	Statistical studies on anatomical modifications in the radicle and hypocotyl of cotton induced by NaCl
title_short	Statistical studies on anatomical modifications in the radicle and hypocotyl of cotton induced by NaCl
title_full	Statistical studies on anatomical modifications in the radicle and hypocotyl of cotton induced by NaCl
title_fullStr	Statistical studies on anatomical modifications in the radicle and hypocotyl of cotton induced by NaCl
title_full_unstemmed	Statistical studies on anatomical modifications in the radicle and hypocotyl of cotton induced by NaCl
title_sort	statistical studies on anatomical modifications in the radicle and hypocotyl of cotton induced by nacl
publisher	Sociedad de Biología de Chile
publishDate	1999
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-97601999000400008
work_keys_str_mv	AT casenaveesterc statisticalstudiesonanatomicalmodificationsintheradicleandhypocotylofcottoninducedbynacl AT deganoclaudiaam statisticalstudiesonanatomicalmodificationsintheradicleandhypocotylofcottoninducedbynacl AT tosellimariae statisticalstudiesonanatomicalmodificationsintheradicleandhypocotylofcottoninducedbynacl AT catanestelaa statisticalstudiesonanatomicalmodificationsintheradicleandhypocotylofcottoninducedbynacl
_version_	1718441311735906304

Statistical studies on anatomical modifications in the radicle and hypocotyl of cotton induced by NaCl

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