Differential effects of copper sulfate (CuSO4) and copper tetraamine sulfate complex ([Cu(NH3)4]SO4) on Cu-enzyme activities, Cu and Fe levels, and lignin deposition in Cu-deficient tobacco (Nicotiana rustica) plants

Knowledge of the effect of different copper (Cu) chemical forms and their application mode on meeting the plant’s Cu requirement is much more limited than that of other micronutrients. In this work, hydroponically-grown tobacco ( Nicotiana rustica L . ) plants were pre-cultured for thirty days under...

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