Journal
PLANTS-BASEL
Volume 9, Issue 5, Pages -Publisher
MDPI
DOI: 10.3390/plants9050581
Keywords
ex situ conservation; long-term storage; seed banking; seed viability; survival; restoration programs
Categories
Funding
- MAVA Foundation
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Understanding seed viability under long-term storage conditions provides basic and useful information to investigate the effectiveness of seed banking. Besides the germination success, seedling establishment is also an important requirement, and a decisive step to ensure plant propagation. We used comparative data of germination, seedling growth, and survival percentage between fresh and 10-years-stored seeds ofSenecio morisii, a narrow endemic and vulnerable species of Sardinia (Italy), in order to evaluate if differences exist in these traits between fresh and 10-years-stored seeds. Stored seeds showed higher germination percentages than fresh ones, whereas seedling growth and survival did not present significant differences between them, except for seedling growth in plants produced from seeds germinated at 25 degrees C. This study allowed us to assess if seeds ofS. morisiiwere able to germinate under controlled conditions, and if they maintained their viability and germination capacity for at least 10 years of long-term storage in the seed bank. In addition, the high seedling survival detected in both fresh and stored seeds suggests that stored seeds ofS. morisiican be used to support reinforcement or reintroduction actions when fresh materials are not available.
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