Effect of sea salt and l-ascorbic acid on the seed germination of halophytes

Effects of l-ascorbic acid and sea salt solutions on the seed germination of Atriplex stocksii, Arthrocnemum macrostachyum, Haloxylon stocksii, Suaeda fruticosa, Desmostachya bipinnata and Aeluropus lagopoides were studied. Increasing concentration of sea salt inhibited seed germination of all speci...

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Bibliographic Details
Published in:Journal of arid environments 2006-11, Vol.67 (3), p.535-540
Main Authors: Ajmal Khan, M., Zaheer Ahmed, M., Hameed, A.
Format: Article
Language:English
Subjects:
Aeluropus lagopoides
Antioxidants
Arthrocnemum macrostachyum
ascorbic acid
Atriplex stocksii
Desmostachya bipinnata
halophytes
Haloxylon stocksii
Ionic toxicity
Oxidative stress
Reactive oxygen species
salt tolerance
seed germination
Suaeda fruticosa
Water potential
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Summary:Effects of l-ascorbic acid and sea salt solutions on the seed germination of Atriplex stocksii, Arthrocnemum macrostachyum, Haloxylon stocksii, Suaeda fruticosa, Desmostachya bipinnata and Aeluropus lagopoides were studied. Increasing concentration of sea salt inhibited seed germination of all species with comparatively more adverse effect on A. stocksii and S. fruticosa than others. Pretreatment of seeds with l-ascorbic acid alleviated the sea salt effects only in these species, i.e. A. stocksii and S. fruticosa, where as A. macrostachyum, H. stocksii, D. bipinnata and A. lagopoides remained unaffected. This indicates the variability of metabolic responses to salinity effects during seed germination.
ISSN:0140-1963
1095-922X
DOI:10.1016/j.jaridenv.2006.03.001