2.2.5. Testing influence of polyamines amendments
The tobacco plants were cultivated in the Hoagland hydroponic
medium containing UO2(NO3)2 (Lachema n.p., Brno, Czech Republic)
in the concentration 0.5 mM. The plants were sprayed either
with 0.075 mM polyamines (putrescine, spermine, spermidine or
cadaverine). Hoagland medium without any amendments was used as
a control. Samples for uranium uptake determination were harvested
after 7 days of cultivation.