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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Atomic gardening ： ウィキペディア英語版 Atomic gardening Atomic gardening is a form of mutation breeding where plants are exposed to radioactive sources, typically cobalt-60,〔 in order to generate useful mutations. One example is the resistance to verticillium wilt of the "Todd's Mitcham" cultivar of peppermint which was produced from a breeding and test program at Brookhaven National Laboratory from the mid-1950s.〔〔 == History == Beginning in the 1950s, atomic gardens were a part of Atoms for Peace, a program to develop peaceful〔 uses of fission energy after WWII. ''Gamma gardens'' were established in laboratories in the US, Europe, parts of the former USSR, India〔 and Japan. The Atomic Gardening Society was set up in 1959 by Muriel Howorth in the UK. The youngest member of the society was Christopher Abbey (15), a student at Eastbourne College and the son of a dentist, who received a certificate of merit for propagating several species of irradiated seeds to maturity. Irradiated seeds were sold to the public by C.J. Speas, who had obtained a licence for a cobalt-60 source; and sold seeds produced in a backyard cinderblock bunker. A number of commercial plant varieties were developed and released.〔 The gamma gardens were arranged in a circular pattern with a retractable radiation source in the middle. Plants were usually laid out like slices of a pie, radiating from the central radiation source; this pattern produced a range of radiation doses over the radius from the centre. The plants nearest the centre usually died, the ones further out often featured "tumors and other growth abnormalities"; beyond these were the plants of interest, with a higher than usual range of mutations, but not to the damaging extent of those closer to the radiation source.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Atomic gardening」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.