Crucial variations in growth and ion homeostasis of Glycine gracilis seedlings under two types of salt stresses

Based on Glycine gracilis growth and ion homeostasis testing, neutral salt (NS)and alkaline salt (AS) stress were characterized and the responses of G. gracilis were investigated.The injurious effects of AS on G. gracilis were obviously stronger than those of NS.The effects of both stresses on the N...

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Autores principales:	Shi,L, Ma,S, Fang,Y, Xu,J
Lenguaje:	English
Publicado:	Chilean Society of Soil Science / Sociedad Chilena de la Ciencia del Suelo 2015
Materias:	growth ion homeostasis saline stress pH stress
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-95162015000400015
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spelling	oai:scielo:S0718-951620150004000152016-01-14Crucial variations in growth and ion homeostasis of Glycine gracilis seedlings under two types of salt stressesShi,LMa,SFang,YXu,J growth ion homeostasis saline stress pH stress Based on Glycine gracilis growth and ion homeostasis testing, neutral salt (NS)and alkaline salt (AS) stress were characterized and the responses of G. gracilis were investigated.The injurious effects of AS on G. gracilis were obviously stronger than those of NS.The effects of both stresses on the Na+ content and Na+/K+ ratio were similar at low concentrations, but as the stress increased, the effects of a greater Na+ content and Na+/K+ratio increased slowly under NS conditions, but sharply under AS. The roots of G. gracilis accumulated NO3−and H2PO4−, while the stems and leaves accumulated C2O4(2−) and H2PO4−to maintain thein tracellular ion balance. The dominant intracellular anions in the stipes were NO3- and C2O4(2-) under control conditions, and NO3- and H2PO4- under salt stress. With the increasing AS, the Cl−, NO3− and H2PO4− concentrations decreased, and G.gracilis might have increased SO4(2−) and C2O4(2−)levels to compensate for the shortage of inorganic anions. Under NS, the NO3− and C2O4(2−) concentrations decreased, and G. gracilis might have increased Cl−, H2PO4− and SO4(2−)levels to compensate for the shortage of inorganic anions. G. gracilis seedling showed a special nutritional metabolism and some growth adaptability under salt stress.info:eu-repo/semantics/openAccessChilean Society of Soil Science / Sociedad Chilena de la Ciencia del SueloJournal of soil science and plant nutrition v.15 n.4 20152015-12-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-95162015000400015en10.4067/S0718-95162015005000070
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	growth ion homeostasis saline stress pH stress
spellingShingle	growth ion homeostasis saline stress pH stress Shi,L Ma,S Fang,Y Xu,J Crucial variations in growth and ion homeostasis of Glycine gracilis seedlings under two types of salt stresses
description	Based on Glycine gracilis growth and ion homeostasis testing, neutral salt (NS)and alkaline salt (AS) stress were characterized and the responses of G. gracilis were investigated.The injurious effects of AS on G. gracilis were obviously stronger than those of NS.The effects of both stresses on the Na+ content and Na+/K+ ratio were similar at low concentrations, but as the stress increased, the effects of a greater Na+ content and Na+/K+ratio increased slowly under NS conditions, but sharply under AS. The roots of G. gracilis accumulated NO3−and H2PO4−, while the stems and leaves accumulated C2O4(2−) and H2PO4−to maintain thein tracellular ion balance. The dominant intracellular anions in the stipes were NO3- and C2O4(2-) under control conditions, and NO3- and H2PO4- under salt stress. With the increasing AS, the Cl−, NO3− and H2PO4− concentrations decreased, and G.gracilis might have increased SO4(2−) and C2O4(2−)levels to compensate for the shortage of inorganic anions. Under NS, the NO3− and C2O4(2−) concentrations decreased, and G. gracilis might have increased Cl−, H2PO4− and SO4(2−)levels to compensate for the shortage of inorganic anions. G. gracilis seedling showed a special nutritional metabolism and some growth adaptability under salt stress.
author	Shi,L Ma,S Fang,Y Xu,J
author_facet	Shi,L Ma,S Fang,Y Xu,J
author_sort	Shi,L
title	Crucial variations in growth and ion homeostasis of Glycine gracilis seedlings under two types of salt stresses
title_short	Crucial variations in growth and ion homeostasis of Glycine gracilis seedlings under two types of salt stresses
title_full	Crucial variations in growth and ion homeostasis of Glycine gracilis seedlings under two types of salt stresses
title_fullStr	Crucial variations in growth and ion homeostasis of Glycine gracilis seedlings under two types of salt stresses
title_full_unstemmed	Crucial variations in growth and ion homeostasis of Glycine gracilis seedlings under two types of salt stresses
title_sort	crucial variations in growth and ion homeostasis of glycine gracilis seedlings under two types of salt stresses
publisher	Chilean Society of Soil Science / Sociedad Chilena de la Ciencia del Suelo
publishDate	2015
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-95162015000400015
work_keys_str_mv	AT shil crucialvariationsingrowthandionhomeostasisofglycinegracilisseedlingsundertwotypesofsaltstresses AT mas crucialvariationsingrowthandionhomeostasisofglycinegracilisseedlingsundertwotypesofsaltstresses AT fangy crucialvariationsingrowthandionhomeostasisofglycinegracilisseedlingsundertwotypesofsaltstresses AT xuj crucialvariationsingrowthandionhomeostasisofglycinegracilisseedlingsundertwotypesofsaltstresses
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Crucial variations in growth and ion homeostasis of Glycine gracilis seedlings under two types of salt stresses

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