Abstract
In oasis areas, with the depletion of fresh water resources and the use of underground water and industrial wastewater for irrigation, agriculture is under the cumulative harmful effects of multiple abiotic factors such as salinity and heavy metals. Under these conditions, a new strategy to improve crop production is urgently required. Here, we evaluate the potential of zinc oxide nanoparticles (ZnO-NPs) (0, 50 mg/L) to attenuate single and interactive effects of 10-days exposure to salinity (0, 50 mM NaCl) and copper (0, 50 mg/L CuSO4) treatments on the germination performance of wheat (Triticum durum L. Desf., ‘Chili’) seeds. Results showed that, in the absence of ZnO-NPs, exposure to salinity or copper alones significantly (P < 0.05) inhibits the germination process. The combined exposure to salinity and copper, aggravates the inhibitory effects on seeds germination. In contrast, addition of ZnO-NPs significantly improved wheat germination in control conditions, and attenuates the harmful effects of single and combined NaCl and CuSO4. The potential mechanism of the preventive effect of ZnO-NPs might involve a competitive replacement of Cu2+ accumulation by which of Zn2+. It is concluded that ZnO-NPs improves the germination of wheat seeds in oasian lands suffering from hypersalinity and copper soil’s accumulation, thus ameliorates their productivity.
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Claims 6
Claim · model-written summary
Salinity alone significantly inhibited wheat seed germination without zinc oxide nanoparticles.
- Taxon
- wheat
Triticum aestivumt0 - Treatment
- salinitye0
- Outcome
- germination processe0
- Direction
- inhibitse0
- Comparator
- absence of ZnO-NPse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in the absence of ZnO-NPs, exposure to salinity or copper alones significantly (P < 0.05) inhibits the germination process”
t0“wheat (Triticum durum L.) seeds”
Claim · model-written summary
Copper alone significantly inhibited wheat seed germination without zinc oxide nanoparticles.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- coppere0
- Outcome
- germination processe0
- Direction
- inhibitse0
- Comparator
- absence of ZnO-NPse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in the absence of ZnO-NPs, exposure to salinity or copper alones significantly (P < 0.05) inhibits the germination process”
t0“wheat (Triticum durum L.) seeds”
Claim · model-written summary
Combined salinity and copper aggravated inhibition of wheat seed germination.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- combined exposure to salinity and coppere0
- Outcome
- seeds germinatione0
- Direction
- aggravatese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The combined exposure to salinity and copper, aggravates the inhibitory effects on seeds germination”
t0“wheat (Triticum durum L.) seeds”
Claim · model-written summary
Zinc oxide nanoparticles significantly improved wheat germination under control conditions.
- Taxon
- wheatTriticum aestivume0
- Treatment
- ZnO-NPse0
- Outcome
- wheat germinatione0
- Direction
- improvede0
- Comparator
- control conditionse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“addition of ZnO-NPs significantly improved wheat germination in control conditions”
Claim · model-written summary
Zinc oxide nanoparticles attenuated the harmful effects of single and combined sodium chloride and copper sulfate treatments on wheat germination.
- Taxon
- wheatTriticum aestivume0
- Treatment
- ZnO-NPse0
- Outcome
- wheat germinatione0
- Direction
- attenuatese0
- Comparator
- single and combined NaCl and CuSO4e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“addition of ZnO-NPs significantly improved wheat germination in control conditions, and attenuates the harmful effects of single and combined NaCl and CuSO4”
Claim · model-written summary
The authors proposed competitive replacement of copper accumulation by zinc as a possible protective mechanism.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- ZnO-NPse0
- Compound
- Cu2+ accumulation by which of Zn2+e0
- Outcome
- preventive effecte0
- Qualifier
- might involve a competitive replacemente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The potential mechanism of the preventive effect of ZnO-NPs might involve a competitive replacement of Cu2+ accumulation by which of Zn2+”
t0“wheat (Triticum durum L.) seeds”
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