Reports

Nitrogen- and Helium-Induced Anoxia: Different Lethal Effects on Rye Seeds

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Science  01 Jul 1966:
Vol. 153, Issue 3731, pp. 69-70
DOI: 10.1126/science.153.3731.69

Abstract

Prolonged exposures to acute anoxia caused progressive reductions in the viability of hydrated seeds of Prolific rye. For equal exposures of 9 days or longer, mortality was significantly higher in helium than in nitrogen. The findings suggest that prolonged use of helium as a component of atmospheres in manned space capsules may be harmful.

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