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Dormancy breaking procedures and the breeding of white-grained wheat with resistance to pre-harvest sprouting

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Summary

Gibberellic acid, cold (4°C) and a combination of these two treatments were tested for use in breaking dormancy in 27 lines of white-grained wheat with varying levels of resistance to pre-harvest sprouting. Germination increased in all lines treated with gibberellic acid. Dormancy could be broken with 1 μM gibberellic acid. Response to cold varied. A combination of gibberellic acid and cold treatment was the most effective. This technique has been found useful in treating seed in a breeding program aimed at producing wheats with resistance to pre-harvest sprouting.

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Authors and Affiliations

  1. Queensland Wheat Research Institute, PO Box 5282, Q4350, Toowoomba, Australia

    R. J. Henry & P. S. Brennan

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  1. R. J. Henry
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  2. P. S. Brennan
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Henry, R.J., Brennan, P.S. Dormancy breaking procedures and the breeding of white-grained wheat with resistance to pre-harvest sprouting. Euphytica 39, 161–166 (1988). https://doi.org/10.1007/BF00039869

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  • DOI: https://doi.org/10.1007/BF00039869

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