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タイトルSilica Deposition on the Leaves of Mir- and Earth-Grown Super Dwarf Wheat
著者(英)Biesinger, H. D.; Salisbury, Frank B.; McManus, William R.; Sytchev, Vladimir N.; Campbell, William F.; Bingham, Gail E.; Bubenheim, David L.; Levinskikh, Maragarita; Podolsky, Igor; Strickland, D. T.
著者所属(英)NASA Ames Research Center
発行日2000-01-01
2000
言語eng
内容記述Scanning electron microscopy (SEM) and energy dispersive X-ray (EDX) microanalysis were used to investigate the nature of crystals deposited on leaves of Mir- and Earth-grown Super Dwarf wheat (Triticum aestivum L.) plants. Leaves from these plants exhibited dense and uniformly distributed crystals on leaf abaxial surfaces when viewed by SEM. Young leaves showed that crystals initially accumulated around the stomata on the adaxial surface, but became more dense and uniformly distributed as the leaves aged. EDX microanalyses of the Balkanine (a nutrient charged clinoptilolite zeolite) medium in which the wheat plants were grown showed an elemental pattern similar to that observed on the wheat leaves. The absence of N and P in the Balkanine suggests that they were completely utilized by the plants. Only Si and O were evident in the drying agent, Sorb-it-Silica (trademark), and perhaps could have accounted for some of the Si observed on the plant tissue.
NASA分類Life Sciences (General)
レポートNOPaper-7234
権利Copyright
URIhttps://repository.exst.jaxa.jp/dspace/handle/a-is/335106


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