I am currently researching the stress physiology of photosynthesis. I have previously worked with hydroponic systems using heavy metals at concentrations around tens of microMolars. Now, I would like to extend my research to potted plants and induce cadmium (Cd) stress. However, I understand that I cannot use the same concentration of heavy metal solution in potted plants due to various factors related to the substrate, which might prevent me from observing a significant stress effect. What would be the most appropriate concentration or solution to effectively induce stress in potted plants?
To induce cadmium stress in potted plants, you should consider a lower concentration, typically in the range of 10-100 micromolars (µM). This is because the substrate can retain more heavy metals, potentially leading to higher exposure for the plants. However, the exact concentration should be determined through preliminary experiments to ensure a significant stress effect without causing severe damage.
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