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Seed storage behaviour of Magnolia odoratissima
Han, C. Y.; Sun, W. B.
Corresponding AuthorSun, WB (reprint author), Chinese Acad Sci, Kunming Inst Bot, Kunming Bot Garden, Kunming 650204, Peoples R China.
2013
Source PublicationSEED SCIENCE AND TECHNOLOGY
ISSN0251-0952
Volume41Issue:1Pages:143-147
AbstractMagnolia odoratissima is endemic to Yunnan Province in southwest China. The flowers and leaves contain approximately 0.2% aromatic oil, making it an excellent perfume plant. However, the species is now facing an extremely high risk of extinction in the wild and has been proposed as a critically endangered tree. To effectively preserve its germplasm via seeds, we studied the effects of moisture content and storage conditions on seed germination. The 1000-seed weight, initial moisture content and germination of fresh seeds were 184.0 g, 33.2% and 98%, respectively. Most of the seeds tolerated desiccation to 21.6% moisture content, while more than half of the seeds lost viability when dried to 14.1% and only a few seeds (21-28%) survived when the moisture content was reduced to 9.9%. Therefore, M. odoratissima seeds showed intermediate storage behaviour. Non-desiccated seeds retained viability at storage temperatures of 4, 8 and 20 degrees C. However, the viability of both air-dried and pre-chilled seeds stored at 4, 8 and 20 degrees C was reduced with prolonged storage time. The seeds stored for all treatments at -20 degrees C lost viability. The data consequently suggest that M. odoratissima seeds are chilling-tolerant intermediate seeds which can be stored at 4 degrees C for up to one year.
Subject AreaAgronomy ; Plant Sciences ; Horticulture
Indexed BySCI
Language英语
WOS Research AreaAgriculture ; Plant Sciences
WOS SubjectAgronomy ; Plant Sciences ; Horticulture
WOS IDWOS:000317700100015
Citation statistics
Document Type期刊论文
Identifierhttp://ir.kib.ac.cn/handle/151853/16593
Collection资源植物与生物技术所级重点实验室
AffiliationChinese Acad Sci, Kunming Inst Bot, Kunming Bot Garden, Kunming 650204, Peoples R China
Recommended Citation
GB/T 7714
Han, C. Y.,Sun, W. B.. Seed storage behaviour of Magnolia odoratissima[J]. SEED SCIENCE AND TECHNOLOGY,2013,41(1):143-147.
APA Han, C. Y.,&Sun, W. B..(2013).Seed storage behaviour of Magnolia odoratissima.SEED SCIENCE AND TECHNOLOGY,41(1),143-147.
MLA Han, C. Y.,et al."Seed storage behaviour of Magnolia odoratissima".SEED SCIENCE AND TECHNOLOGY 41.1(2013):143-147.
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