Publication: Implications of calcium nutrition on the response of Acacia senegal (Mimosaceae) to soil salinity
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Date
2011
Authors
Tusharbhai Patel, Neha ; 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 Ca2+ level on the response of germination and seedling
growth of Acacia senegal (L.) Willd. (Mimosaceae) to NaCl salinity
in soil were investigated. Salinity significantly retarded the seed
germination and seedling growth, but the injurious effects of NaCl
on seed germination were ameliorated and seedling growth was restored
with calcium supply at the critical level (1:0.75 Na/Ca ratio)
to salinised soil. Calcium supply above the critical level further retarded
the seed germination and seedling growth due to the increased
soil salinity. Salt stress reduced N, P, K, Ca and Mg content
in plant tissues, but these nutrients were restored by addition
of calcium at the critical level to saline soil. The opposite was true
for Na+. The results are discussed in terms of the beneficial effects
of calcium supply on the seedling growth of this species under saline
conditions.
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