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Open Access Effects of seed storage conditions on seed water uptake, germination and vigour in Pinus dabeshanensis, an endangered pine endemic to China

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Assessing seed vigour and germination in rare endangered species is critical for developing effective in situ and ex situ conservation strategies. Pinus dabeshanensis is an extremely endangered pine endemic to eastern China. To obtain fundamental propagation information for this species, its seed traits and germination were studied. The viability of fresh filled seeds was 100% based on the 2,3,5-triphenyl-2H-tetrazolium chloride (TTC) method, and viability was maintained for 10 months at both 4°C and room temperature. Scarification resulted in rapid uptake of water, but it was still faster for seeds stored at room temperature than for seeds stored at 4°C. For seeds stored at room temperature, there were significant differences in the mean germination time among seeds germinated at 20/10, 25/15, 30/20 or 35/25°C, but final germination was similar (78.1-90%). Overall, the storage conditions greatly affected water uptake, seed vigour and germination. An understanding of these relationships is vital for the conservation and management of this endemic endangered species.
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Document Type: Research Article

Publication date: July 1, 2019

This article was made available online on August 26, 2019 as a Fast Track article with title: "Effects of seed storage conditions on seed water uptake, germination and vigour in Pinus dabeshanensis, an endangered pine endemic to China".

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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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