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Dormancy of Nicotiana benthamiana seeds can be broken by different compounds

1Faculty of Agriculture, Mendel University of Agriculture and Forestry, Zemědělská 1, CZ-61300, Brno, Czech Republic

© 2009 Slovak Academy of Sciences. This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License. (CC BY-NC-ND 3.0)

Citation Information: Biologia. Volume 64, Issue 4, Pages 705–710, ISSN (Online) 1336-9563, ISSN (Print) 0006-3088, DOI: 10.2478/s11756-009-0064-0, July 2009

Publication History

Published Online:


The influence of after-ripening, sodium nitroprusside, potassium ferricyanide, cyanide, paclobutrazol and nitrite on germination of seeds of Nicotiana benthamiana was investigated as well as the influence of plant hormones such as gibberellins and abscisic acid. Dormancy of N. benthamiana seeds was broken by all treatments except treatments with abscisic acid, paclobutrazol and gibberellic acid (GA3). Gibberellins had an interesting effect on dormancy breakage of studied seeds which was dependent on use of particular gibberellin: GA3 or GA4+7. Unlike GA3, GA4+7 had broken seed dormancy.

Keywords: abscisic acid; gibberellins; paclobutrazol; cyanide; sodium nitroprusside

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