Effects of Growth Temperature on the Thermal Stability of the Photosynthetic Apparatus of Atriplex lentiformis (Torr.) Wats.
作者： Robert W. Pearcy , Joseph A. Berry , David C. Fork
DOI: 10.1104/PP.59.5.873
关键词: Horticulture 、 Photosystem II 、 Chloroplast 、 Torr 、 Thermal stability 、 Atriplex 、 Photosynthesis 、 Absorbance 、 Biology 、 Botany
摘要: High growth temperatures induced a substantial increase in the thermal stability of photosynthetic apparatus Atriplex lentiformis. This was manifested as much reduced inhibition light-saturated photosynthesis and initial slope light-dependence curves by exposure to high compared moderate temperature-grown plants. Heat treatment at 46 C leaves from plants resulted marked reduction photosystem II activities chloroplasts isolated them. In contrast, heat no activities. vivo estimates functioning, 515 nm light-induced absorbance change, ratio maximum fluorescence (F(0)/F(max)) indicated similar
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