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Open Access Seed Dormancy and Seedling Growth Changes in Response to Scarification Treatments and Population Origin in Kosteletzkya Pentacarpos (malvaceae)

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Kosteletzkya pentacarpos is important for the restoration of coastal habitats in Asia and is vulnerable in Europe. Physical dormancy (PY) prevents ready seed germination and seedling production for restoration and conservation purposes. In this study, seed germination and seedling growth of K. pentacarpos were investigated in response to scarification treatments (manual scarification, percussion) and population origin (i.e., wild, cultivated ex situ and reintroduced). Manual scarification best promoted seed germination (98-100%), but resulted in damages to the cotyledons (on 64% of seedlings, on average) and lower seedling growth. Percussion did not significantly increase seed germination, but best promoted seedling growth. There was a significant reduction of PY in seeds produced by plants cultivated ex situ and/or reintroduced. Our results indicate that scarification treatments and ex situ cultivation may have important implications in translocation and other uses of K. pentacarpos.

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Keywords: PHYSICAL DORMANCY; REINTRODUCTION; SCARIFICATION TREATMENTS; SEASHORE MALLOW; SEEDLING GROWTH; TRANSLOCATION

Document Type: Research Article

Publication date: April 1, 2019

This article was made available online on March 21, 2019 as a Fast Track article with title: "Seed dormancy and seedling growth changes in response to scarification treatments and population origin in Kosteletzkya pentacarpos (Malvaceae)".

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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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