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Breaking Wild Oat Dormancy with Gases at High Pressure

Published online by Cambridge University Press:  12 June 2017

Otto L. Hoffmann
Otto L. Hoffmann*
Affiliation:
Research Department, Spencer Chemical Company, Kansas City, Missouri
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Extract

In a recent herbicide development program for control of wild oats (Avena fatua), methods of breaking the dormancy of wild oat seed were studied, since it is difficult to obtain seed with a high rate of germination. One of the theories advanced to explain seed dormancy is that the seed coat acts as a barrier to oxygen penetration. If the seed coat prevents oxygen penetration, then it should be possible to break dormancy by placing seed under high gaseous pressure to force gas through the seed coat, and then rupture the seed coat with a rapid release of pressure.

Type
Research Article
Information
Weeds , Volume 9 , Issue 3 , July 1961 , pp. 493
Copyright
Copyright © 1961 Weed Science Society of America 

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References

3 The high pressure runs were carried out by Mr. H. K. Stryker.Google Scholar

4 Atwood, W. M. A physiological study of the germination of Avena fatua. Bot. Gaz. 57:386–414. 1914.Google Scholar

5 Johnson, L. P. V. General preliminary studies on the physiology of delayed germination in Avena fatua. Can. J. Research (C) 13:283–300. 1935.Google Scholar