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Seed quality as cause for differences in longevity behaviour after seed pretreatment in wheat (Triticum aestivum L.)

Published online by Cambridge University Press:  19 September 2008

P. Hofmann  and
A. M. Steiner
P. Hofmann
Affiliation:
Institute of Plant Breeding, Seed Science and Population Genetics, University of Hohenheim, D-70593 Stuttgart, Germany
A. M. Steiner*
Affiliation:
Institute of Plant Breeding, Seed Science and Population Genetics, University of Hohenheim, D-70593 Stuttgart, Germany
*
* Correspondence
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Abstract

Hydration-dehydration seed pretreatments are well-known to improve germination rate, germination and vigour. However, contradictory results have been reported concerning the effect of a pretreatment on longevity. The present paper shows that the effect of a seed pretreatment on longevity is largely dependent on the quality of the seed at the time of pretreatment. Pretreating wheat seeds of high quality increased the rate of viability loss during subsequent storage. On the other hand, pretreating wheat seeds of relatively low quality decreased the rate of seed deterioration during subsequent storage. In the light of these findings, hitherto contradictory results in the literature could be explained.

Keywords

hydration-dehydration treatmentlongevitypre-soakingpretreatmentseedstoragewheat
Type
Research Papers
Information
Seed Science Research , Volume 4 , Issue 3 , September 1994 , pp. 323 - 328
Copyright
Copyright © Cambridge University Press 1994

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