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Free Content Hyphaene petersiana dormancy and germination

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Hyphaene petersiana is a naturally occurring palm tree in Zimbabwe. The tree provides an important supplementary source of income to the communities where it is found, with a high demand for foliage for making baskets and sap for wine making. Propagation is both by vegetative and sexual methods, however, sexual propagation is constrained by the inherent dormancy of the seeds. Breaking seed dormancy is also the first step towards developing a conservation programme for the tree. The effect of water soaking (for 12, 24 and 48 hours), chemical scarification (sulphuric acid for 10 minutes), de-husking (tegument removal), sand papering as well as chemical treatment (thiourea and potassium nitrate) were compared with untreated seeds (control). No germination was observed for seeds treated with sulphuric acid. Water soaking for 12 hours gave the highest germination (71.7%) although not significantly different to other treatments.

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Keywords: GERMINATION; HYPHAENE PETERSIANA; MORPHOPHYSIOLOGICAL DORMANCY; SYNCHRONISATION INDEX

Document Type: Research Article

Publication date: December 1, 2019

This article was made available online on December 29, 2019 as a Fast Track article with title: "Hyphaene petersiana dormancy and germination".

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  • Seed Science and Technology (SST) is one of the leading international journals featuring original papers and review articles on seed quality and physiology as related to seed production, harvest, processing, sampling, storage, distribution and testing. This widely recognised journal is designed to meet the needs of researchers, advisers and all those involved in the improvement and technical control of seed quality.
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