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Effect of Salt on Physiological Responses of Barley to Iron Deficiency by Sabah Yousfi; M'sehli Wissal; Henda Mahmoudi; Chedly Abdelly; Mohamed Gharsalli is a Agricultural and Biological Sciences article available to read on EtoBox.

What is Effect of Salt on Physiological Responses of Barley to Iron Deficiency about?

Iron chlorosis is very common on alkaline soils such as calcareous ones, since iron availability is limited by high pH. Under these conditions of iron deficiency, graminaceous plant species induce special mechanisms for iron acquisition, involving enhanced release of iron chelators called phytosiderophores. On the other hand, it is known that most of salt soils have alkaline pH. So, plants growing on this kind of soils are often subjected simultaneously to salinity and iron deficiency. This work aimed at (i) studying the physiological responses of barley (Hordeum vulgare L.) to iron deficiency, and (ii) evaluating the effect of salt on the iron nutrition and the phytosiderophore release. For this purpose, seedlings of Hordeum vulgare L. were cultivated under controlled conditions, either in a complete nutrient solution with or without NaCl, or in an iron free nutrient solution containing or not NaCl. The plant morphological aspect, chlorophyll content of young leaves, iron status, biomass production, and phytosiderophore release by roots were assessed. Plants subjected to Fe deficiency exhibited a severe chlorosis, accompanied by a significant biomass reduction. These plants develo

Who reads Effect of Salt on Physiological Responses of Barley to Iron Deficiency?

Author

Sabah Yousfi; M'sehli Wissal; Henda Mahmoudi; Chedly Abdelly; Mohamed Gharsalli

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0981-9428)

Published

2007

Language

EN

Field

Agricultural and Biological Sciences (Life Sciences)