Ancient Hulled Wheat: An Antioxidant-Rich Crop for Boron-Contaminated Soils
Ridvan Temizgul
TL;DR
Ancient hulled wheat shows potential for growing in boron-contaminated soils due to its antioxidant defenses and response to glycine betaine.
Contribution
The study reveals how ancient hulled wheat species tolerate boron stress and how glycine betaine mitigates its effects.
Findings
Boron initially boosted biomass but higher levels caused growth inhibition, which was reduced by glycine betaine.
Antioxidant enzyme activities increased at low boron but decreased at high levels, indicating oxidative stress.
Glycine betaine improved antioxidant defenses and osmotic adjustment, reducing boron-induced damage.
Abstract
This study investigated the boron (B) tolerance of four ancient hulled wheat species, examining their morphological, physiological, and antioxidant responses to varying B concentrations and the mitigating effects of exogenous glycine betaine (GB). Results revealed that B initially promoted root and shoot biomass, but higher concentrations induced growth inhibition, mitigated by GB application. B exposure increased total protein content and antioxidant enzyme activities at lower concentrations but decreased them at higher concentrations, indicating oxidative stress. Exogenous GB enhanced antioxidant enzyme activities and proline accumulation, alleviating oxidative damage. These findings suggest varying B tolerance among ancient hulled wheat varieties. GB effectively mitigated B-induced stress by bolstering antioxidant defenses and promoting osmotic adjustment. This highlights the…
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Taxonomy
TopicsPlant Micronutrient Interactions and Effects · Agricultural Science and Fertilization · Aluminum toxicity and tolerance in plants and animals