Combined effect of benzyl adenine and potassium on the level of light harvesting chlorophyll a b protein in detached cucumber cucumis sativus cultivar ohio cotyledons

Ohya, T.; Naito, K.; Suzuki, H.

Zeitschrift fuer Pflanzenphysiologie 108(1): 39-48


Accession: 004987837

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Benzyladenine (BA) and KCl were applied to detached cucumber (C. sativus L. cv. Ohio) cotyledons under dark followed by light, or under continuous light conditions. Pretreatment with BA in the dark resulted in loss of the lag in the increase of the apoprotein of the light-harvesting chlorophyll a/b protein (LHCP-apoprotein) normally occurring upon illumination. KCl pretreatment did not shorten this lag phase, but did enhance the rate of increase during greening. BA plus KCl pretreatment markedly increased the effect of BA on the LHCP-apoprotein level during the early phase of greening. Neither BA, KCl or BA plus KCl exhibited any significant effect on the LHCP-apoprotein level in continuous light.