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Information × Registration Number 0211U008460, 0108U007323 , R & D reports Title Role of light in amelioration of temperature stress popup.stage_title Head Svetlana M. Kochubey, Registration Date 01-06-2011 Organization Institute of Plant Physiology and Genetics NASU popup.description2 The effect of light on reducing the size of chloroplasts under short heating was studied. It was shown that heating at 25 ° C causes a decrease of this parameter, even for plants that are grown at 23 ° C 22. The light also causes a decrease in the size of chloroplasts, whose degree increases with the magnitude of the effect of this factor. 5-20 thousands Lux range corresponds to weak impact, 30-45 thousand lux - medium, and 55-70 thousand lux causes damage effect. Testing the influence of light intensity from 5 to 30 thousand lux was performed for two temperatures of heating - 25 and 45 C. For both temperatures protective effect of light in 5-20 thousand Lux range was revealed. Increasing light intensity to 30 thousand lux induced a damaging effect. More substantial effect of softening is set to heat stress, which was caused by heating at 45 C. Warming up in the dark caused a decrease in the size of chloroplasts at 13-22%, in the presence of light reduction in the size was much less - an average of 3% under illumination of 5 thousand lux, and 6% under illumination of 10 and 20 thousand lux. Product Description popup.authors Бондаренко Оксана Юріївна Казанцев Тарас Анатолійович Кочубей світлана Михайлівна Туменок Людмила Василівна Шевченко Віктор Валентинович popup.nrat_date 2020-04-02 Close