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美国农业部农业研究处(USDA—ARS)种子贮藏试验室最近研制成功用超低温方法贮藏种子。这种方法是将种子贮藏在-257°F(-160.5℃)的液氮中,可保存种子多年。贮藏前种子水分应保持
The USDA-ARS Seed Storage Laboratory recently developed cryopreservation of seeds. This method is to store the seeds in liquid nitrogen at -257 ° F (-160.5 ° C) for many years. Pre-storage seed moisture should be maintained