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    Article

    Photon yield of O2 evolution and chlorophyll fluorescence characteristics at 77 K among vascular plants of diverse origins

    Photon yields of oxygen evolution at saturating CO2 were determined for 44 species of vascular plants, representing widely diverse taxa, habitats, life forms and growth conditions. The photonyield values on the b...

    Olle Björkman, Barbara Demmig in Planta (1987)

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    Article

    Paraheliotropic leaf movement in Siratro as a protective mechanism against drought-induced damage to primary photosynthetic reactions: damage by excessive light and heat

    Damage to primary photosynthetic reactions by drought, excess light and heat in leaves of Macroptilium atropurpureum Dc. cv. Siratro was assessed by measurements of chlorophyll fluorescence emission kinetics at 7...

    Mervyn M. Ludlow, Olle Björkman in Planta (1984)

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    Article

    Inhibition of photosynthetic reactions under water stress: interaction with light level

    When the shrub Nerium oleander L., growing under full natural daylight outdoors, was subjected to water stress, stomatal conductance declined, and so did non-stomatal components of photosynthesis, including the C...

    Olle Björkman, Stephen B. Powles in Planta (1984)

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    Article

    Photoinhibition of photosynthesis: effect on chlorophyll fluorescence at 77K in intact leaves and in chloroplast membranes of Nerium oleander

    The effect of exposing intact leaves and isolated chloroplast membranes of Nerium oleander L. to excessive light levels under otherwise favorable conditions was followed by measuring photosynthetic CO2 uptake, el...

    Stephen B. Powles, Olle Björkman in Planta (1982)

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    Article

    Carboxydismutase activity in plants with and without β-carboxylation photosynthesis

    A comparison was made of the activity of carboxydismutase (ribulose-1,5-diphosphate carboxylase) between higher plant species which possess the β-carboxylation (C4-dicarboxylic acid) pathway for photosynthesis an...

    Olle Björkman, Eckard Gauhl in Planta (1969)

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    Article

    Simultaneous measurements on the effect of oxygen concentration on water vapor and carbon dioxide exchange in leaves

    Transpiration rate was unaffected by O2 concentration in the range 1–80% when illuminated leaves ofAtriplex patula andA. rosea were kept at low CO2 concentrations. Moreover, the marked increase in the rate of lig...

    Eckard Gauhl, Olle Björkman in Planta (1969)

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    Article

    Comparative studies of photosynthesis and respiration in ecological races

    Olle Björkman in Brittonia (1966)

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