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    Tolerance of LSS plant component to elevated temperatures / S. A. Ushakova, A. A. Tikhomirov // Acta Astronautica. - 2002. - Vol. 50, Is. 12. - P759-764, DOI 10.1016/S0094-5765(02)00010-3 . - ISSN 0094-5765
Кл.слова (ненормированные):
Metabolism -- Photosynthesis -- Rate constants -- Thermal effects -- Thermoanalysis -- Thermal tolerance -- Life support systems (spacecraft) -- carbon dioxide -- adaptation -- article -- Brassicaceae -- comparative study -- heat -- instrumentation -- light -- metabolism -- microclimate -- photosynthesis -- physiology -- plant physiology -- wheat -- Adaptation, Physiological -- Brassicaceae -- Carbon Dioxide -- Ecological Systems, Closed -- Heat -- Life Support Systems -- Light -- Photosynthesis -- Plant Physiology -- Triticum
Аннотация: Stability of LSS based on biological regeneration of water, air and food subject to damaging factors is largely dependent on the behavior of the photosynthesizing component represented, mainly, by higher plants. The purpose of this study is to evaluate the tolerance of uneven-aged wheat and radish cenoses to temperature effects different in time and value. Estimation of thermal tolerance of plants demonstrated that exposure for 20 h to the temperature increasing to 45В°C brought about irreversible damage both in photosynthetic processes (up to 80% of initial value) and the processes of growth and development. Kinetics of visible photosynthesis during exposure to elevated temperatures can be used to evaluate critical exposure time within the range of which the damage of metabolic processes is reversible. With varying light intensity and air temperature it is possible to find a time period admissible for the plants to stay under adverse conditions without considerable damage of metabolic processes. В© 2002 Elsevier Science Ltd. All rights reserved.

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Держатели документа:
Institute of Biophysics (Russian Academy of Sciences, Siberian Branch) Academgorodok, 660036 Krasnoyarsk, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Ushakova, S.A.; Tikhomirov, A.A.

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