Publication: Growth, water status and nutrient accumulation of seedlings of Jatropha curcas L. (Euphorbiaceae) in response to soil salinity
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Date
2010
Authors
Dayabhai Patel, Ashish ; Sundarjibhai Panchal, Nilesh ; Bhushan Pandey, Indu ; Nath Pandey, Amar
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Publisher
Murcia : Universidad de Murcia, Servicio de Publicaciones
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DOI
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info:eu-repo/semantics/article
Description
Abstract
Effects of soil salinity on emergence, growth, water status, proline
content and mineral accumulation of seedlings of Jatropha curcas
L. (Euphorbiaceae) were assessed. NaCl was added to the soil
and salinity was maintained at 0.3, 3.9, 6.0, 7.9 and 10.0 dSm-1.
Salinity caused reduction in water content and water potential of
tissues, which resulted in internal water deficit to plants. Consequently,
stem and root elongation, leaf expansion and dry matter
accumulation in seedlings significantly decreased. Salinity impaired
succulence of stems and tap roots. Proline content in tissues increased
as salinity increased. Likewise K, Na and N content significantly
increased in tissues as salinity increased, while P, Ca and
Mg content in tissues significantly decreased. We discuss changes
in tissues and whole-plant accumulation patterns of nutrients, as
well as possible mechanisms for avoidance of sodium toxicity in
this tree species in response to salinity.
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