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・ Seed (magazine)
・ Seed (Mami Kawada album)
・ Seed (Nick Harper album)
・ Seed (programming)
・ Seed (sculpture)
・ Seed (sports)
・ Seed (student newspaper)
・ Seed (surname)
・ Seed (The Walking Dead)
・ Seed (TV series)
・ Seed (video game)
・ Seed 97.5 FM
・ Seed accelerator
・ SEED Alternative School
・ Seed ball
Seed bank
・ Seed bank (disambiguation)
・ Seed bead
・ Seed bombing
・ Seed bug
・ Seed cake
・ Seed company
・ Seed contamination
・ Seed crystal
・ Seed dispersal
・ Seed dispersal syndrome
・ Seed dormancy
・ Seed drill
・ Seed Eight
・ Seed enhancement


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Seed bank : ウィキペディア英語版
Seed bank

A seed bank (also seedbank or seeds bank) stores seeds as a source for planting in case seed reserves elsewhere are destroyed. It is a type of gene bank. The seeds stored may be food crops, or those of rare species to protect biodiversity. The reasons for storing seeds may be varied. In the case of food crops, many useful plants that were developed over centuries are now no longer used for commercial agricultural production and are becoming rare. Storing seeds also guards against catastrophic events like natural disasters, outbreaks of disease, or war. Unlike seed libraries or seed swaps that encourage frequent reuse and sharing of seeds, seed banks are not typically open to the public.
==Optimal storage conditions==
Depending on the species, seeds are dried to a suitably low moisture content according to an appropriate protocol. Typically this will be less than 5%. The seeds then are stored at -18°C or below. Because seed RNA (like animal DNA) degrades with time, the seeds need to be periodically replanted and fresh seeds collected for another round of long-term storage.〔Hong, T.D. and R.H. Ellis. 1996. A protocol to determine seed storage behaviour. IPGRI
Technical Bulletin No. 1. (J.M.M. Engels and J. Toll, vol. eds.) International Plant Genetic Resources Institute, Rome, Italy. ISBN 92-9043-279-9 ()〕

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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