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| Rhizobial Lipo-Chitooligosaccharides and Gibberellins Enhance Barley (Hordeum vulgare L.) Seed Germination |
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M. Miransari and D. Smith |
Abstract:
Gibberellins are plant hormones, enhancing seed germination. The bacterium-to-plant signal, lipo-chitooligosaccharides (LCOs) or Nod factors, are of great importance for roots organogenesis and hence, nodule formation and N fixation. Hence, we hypothesized that LCOs like gibberellins may also enhance barley (Hordeum vulgare L.) germination. The objectives were to test the effects of gibberellins on barley germination and to test the hypothesis that LCOs may increase seed germination in barley. The concentrations, tested were 10-5 M for gibberellins and 10-6 M and 10-7 and 10-8 M LCOs. Although, gibberellins were able to numerically increase barley germination (up to 18%), the LCOs seemed to be more effective on barley germination as they significantly increased seed germination (up to 44%). Hence, the novel finding indicates that for LCOs may also be very effective on barley seed germination, through inducing morphogenesis and physiological changes in seeds. This finding can have very important agricultural implications.
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How to cite this article:
M. Miransari and D. Smith, 2009. Rhizobial Lipo-Chitooligosaccharides and Gibberellins Enhance Barley (Hordeum vulgare L.) Seed Germination. Biotechnology, 8: 270-275.
DOI: 10.3923/biotech.2009.270.275
URL: https://scialert.net/abstract/?doi=biotech.2009.270.275
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| COMMENTS |
07 May, 2009
murudkar smita r:
great job |
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05 June, 2009
lakshmi:
please tell physiological change in seed germination |
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13 June, 2009
kanti priy bhardwaj:
this is a great artical. |
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07 July, 2009
Prof. Dr. M. Miransari:
Thank you very much for your great comments. The physiological changes during seed germination are mostly related to the enzymes activities changes and nutrients availability in the seed.
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09 July, 2009
Prof. Dr. Mohammad Miransari:
I will be happy to respond to the other comments too.
With respect,
Prof. Dr. Mohammad Miransari |
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