Abstract
Ab s t r a c t. The experiment was conducted to measure the impact of pollution with lead and cadmium on early growth of maize. During 14 days of the laboratory experiment the daily increases of plant height, leaf area, plant mass, root length and thickness were measured. Maize was growing in water solutions of various concentrations of lead or cadmium, and in mixture of lead and cadmium. Overall maize growth was affected by lead and cadmium, however different impact of these metals according to their concentrations was observed. Lead and cadmium toxicity was the most apparent for root length, especially for thin roots. Root growth inhibition was stronger by cadmium than by lead for low heavy metals concentrations, and an inverse relation was observed for the highest concentrations. K e y wo r d s: lead, cadmium, maize, heavy metal pollution
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Claims 4
Claim · model-written summary
Lead and cadmium affected overall maize growth.
Zea maysNot reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“Overall maize growth was affected by lead and cadmium”
Claim · model-written summary
Lead and cadmium toxicity was most apparent for root length in maize, especially for thin roots, with root length decreasing.
- Treatment
- lead and cadmiume4
- Outcome
- root lengthe4
- Direction
- decreaseinferrede4
- Qualifier
- especially for thin rootse4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“early growth of maize”
e4“Lead and cadmium toxicity was the most apparent for root length, especially for thin roots”
Claim · model-written summary
Root growth inhibition in maize was stronger with cadmium than with lead for low heavy metal concentrations.
- Treatment
- cadmiume5
- Outcome
- Root growth inhibitione5
- Direction
- strongere5
- Qualifier
- for low heavy metals concentrationse5
- Comparator
- leade5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“early growth of maize”
e5“Root growth inhibition was stronger by cadmium than by lead for low heavy metals concentrations, and an inverse relation was observed for the highest concentrations”
Claim · model-written summary
At the highest concentrations, the relation between cadmium and lead effects on maize root growth inhibition was inverse.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“early growth of maize”
e5“Root growth inhibition was stronger by cadmium than by lead for low heavy metals concentrations, and an inverse relation was observed for the highest concentrations”
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