considering great medicinal value of hyssopus officinalis l. and possibility of its mass production through in vitro culture, two individual experiments was conducted. effect of various concentrations (0, 2.2, 4.4 and 11 µmol) of tdz and bap in combination with 1 µmol of iaa on direct regeneration from nodal explants were assessed. significant difference between treatments was observed (p≤ 0.01...

Return-on-investment (ROI) is a concept from the financial world. In the dynamic view, ROI describes the periodically recurring profits (returns) from fixed financial capital (investment). In the static view, ROI describes the one-time income or saving (return) realized as a consequence of a one-time expenditure (investment). In this case, if the return does not occur within a short time, later...