In cotyledons of 4 day old etiolated, dark-induced radish seedlings a high level of nitrate reductase was found after an induction period of 24 hours. The activity declined after a prolonged induction time. It was shown that the decrease in activity was not due to a decrease in uptake of nitrate. In the dark other factors must become limiting after induction periods exceeding 24 hours.
No takes yet. Share an insight, caveat, or question.
Stulen et al. (1973) studied this question.
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: