Sodium Chloride stress studies on growth of some leguminous forest tree seedlings
Muhammad Arif Chaudhry and Altaf Hussain
ABSTRACT
An experiment was laid out in split plot design in pot
culture to study the effect of sodicity, created through
three NaCl stresses: 0.044% to 0.351%, 0.132% to 0.878%
and 0.308 to 1.580%, on soil pH, plant height and apical
dieback in Leucaena leucocephala, Albizzia lebbek,
Acaica nilotica and A. ampliceps. The results indicated
that the highest salt concentrations (.0.878% - 1.580%)
produced deleterious changes in soil pH and resulted in
dieback injury in A. nilotica, A. lebbek and L.
leucocephala in an increasing order. Although the growth
of A. ampliceps was reduced appreciably but it showed a
fair degree of tolerance to the highest concentrations
to dieback injury. The higher concentrations (0.308%,
0615%) caused highly significant reductions in plant
height in A. ampliceps, A. lebbek, L. leucocephala and
A. nilotica in a decreasing order.
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