Foliar application of green-synthesized Cu–Zn nanocomposites: improve physiological responses, isozymes activity, and photosynthetic traits in lead-stressed pea (Pisum sativum L.) plants
Mahmoud S. Osman, Salem S. Salem, Hossam M. Fouda, Amr H. Hashem, Sahar I. ELshennawy, Eman N. Mustafa, Eman G. El-Hosary
TL;DR
This paper shows that applying copper-zinc nanocomposites to pea plants can reduce lead stress and improve plant growth and photosynthesis.
Contribution
The study introduces green-synthesized Cu-Zn nanocomposites as a novel method to mitigate lead stress in pea plants.
Findings
Foliar application of Cu-Zn nanocomposites improved pea plant growth and chlorophyll content under lead stress.
The treatment reduced negative effects of lead on physiological and photosynthetic traits.
Protein and isozyme analyses revealed stress amelioration in treated plants.
Abstract
Heavy metal contamination of the soil has grown in importance in recent years. It may reduce agricultural output and jeopardize the welfare of individuals by entering the food chain. The use of nanomaterials, such as copper-zinc (Cu-Zn) nanocomposites, has emerged as a potential strategy to alleviate lead (Pb) stress in plants. Chlorophyll content, biomass accumulation, root and shoot length, and other aspects of plant development were used to assess the impacts of these nanomaterials. Additionally, protein patterns and antioxidant isozyme analysis, including Antioxidant enzymes, were assessed to understand the mechanisms underlying the plant’s response to Cu-Zn exposure. The results suggest that after harvesting of the 35-day-old pea plant, signs of the plant’s amelioration from stress destruction included morphological traits, photosynthetic pigments, sugars, phenol content, protein…
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Taxonomy
TopicsNanoparticles: synthesis and applications · Plant Stress Responses and Tolerance · Plant Growth Enhancement Techniques