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Zn Fertilizer and Mycorrhizal Inoculation Effect on Bread Wheat Cultivar Grown under Water Deficit
Neila Abdi1, Angeline Van Biljon1, Chrisna Steyn1
1Department of Plant Sciences (Plant Breeding), University of the Free State, Bloemfontein 9300, South Africa.
Life (Basel, Switzerland)
|May 27, 2023
Summary
Zinc and arbuscular mycorrhizal fungi (AMF) boost wheat
Area of Science:
- Plant Science
- Agronomy
- Biochemistry
Background:
- Drought stress inactivates plant enzymes due to zinc (Zn) deficiency.
- Arbuscular mycorrhizal fungi (AMF) and Zn application enhance plant drought tolerance.
Purpose of the Study:
- Investigate the effects of Zn and AMF on wheat under drought stress.
- Evaluate impacts on growth, yield, water content, and biochemical attributes.
Main Methods:
- Greenhouse study on bread wheat (SST806) under drought.
- Applied Zn and/or AMF inoculation.
- Measured growth, yield, RWC, HI, photosynthetic activity, solute and glycine betaine accumulation, antioxidant enzymes (CAT, SOD), and ionic attributes.
Main Results:
- Zn and AMF, individually and combined, improved plant growth and yield.
- Root dry weight increased by 25-46% with treatments.
- Enhanced protein, RWC, HI, proline, glycine betaine, and antioxidant enzyme activities (SOD, CAT).
Conclusions:
- Zn and AMF application significantly improves wheat's drought tolerance.
- Combined application offers synergistic benefits for plant resilience and yield.
- These interventions enhance antioxidant defenses and ionic balance under abiotic stress.
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