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Morphological Changes in Soybean under Progressive Water Stress |
A.K.S. Lobato,
R.C.L. Costa,
C.F. Oliveira Neto,
B.G. Santos Filho,
F.J.R. Cruz,
J.M.N. Freitas and F.C. Cordeiro |
Abstract:
The aim of the experiment was to investigate and evaluate
morphological changes provoked by the progressive water stress on Leaf
Relative Water Content (LRWC), height of plant, number of leaves, shoot
dry matter, root dry matter in plants of soybean cultivar sambaiba. The
experimental design was at randomized entirely factorial, with 2 hydric
conditions (stress and control) and 4 stress points (0, 2, 4 and 6 days).
It were showed in the plants under water stress drop in LRWC of 81.5 until
60.9% due water deficiency in substrate, the number of leaves increase
at both the treatments, it being showed after of 6 days the increase of
24.2 and 44.8% in the plants under stress and control, respectively. It
was showed different behavior of the root dry matter in plants under water
stress, with higher root matter until the 2 days and lower matter after
of this point, when compared with control plants. The study with soybean
cultivar sambaiba under progressive water stress reveal that occurred
reduction in the parameters from the experiment beginning, however significant
morphological changes in the number of leaves and root dry matter were
showed only after 6 days of water restriction.
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How to cite this article:
A.K.S. Lobato, R.C.L. Costa, C.F. Oliveira Neto, B.G. Santos Filho, F.J.R. Cruz, J.M.N. Freitas and F.C. Cordeiro, 2008. Morphological Changes in Soybean under Progressive Water Stress. International Journal of Botany, 4: 231-235.
DOI: 10.3923/ijb.2008.231.235
URL: https://scialert.net/abstract/?doi=ijb.2008.231.235
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