ArticleFrontiers in plant science2023
Bicarbonate rather than high pH in growth medium induced Fe-deficiency chlorosis in dwarfing rootstock quince A (
Article in Frontiers in plant science, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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5 citing papers in PubMed, 6 citations in OpenAlex.
- Leaf electrophysiological readouts reveal bicarbonate-associated shifts in early water-deficit response modes inPlant signaling & behavior · 2026Article
- Nitric oxide donor sodium nitroprusside enhances iron deficiency tolerance in M7 apple plants through coordinated regulation of Fe acquisition genes and physiological responses.Scientific reports · 2026Article
- Mitigation of alkaline stress and iron deficiency in Petunia hybrida through resveratrol-induced physiological and nutrient responses.BMC plant biology · 2025Article
- Assessment of iron accumulation in vegetables cultivated with excessive application of organic and inorganic fertilizers along with various water sources.BMC plant biology · 2025Article
- The Plant Growth-Promoting BacteriumMicroorganisms · 2025Article
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Authors and funding
10 authors at 4 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Introduction: Quince A ( Methods: Quince A and PB were grown in nutrient solution (pH 6.3) for 4 weeks followed by three pH treatments: pH6.3, pH8.3a (adjusted with hydroxide) and pH8.3b (adjusted with bicarbonate). The Fe uptake and utilization indicators of the rootstocks were assessed at the onset of chlorosis symptoms (after 58 days of treatments). Results and discussion: In contrast to PB, quince A exhibited Fe deficiency chlorosis under bicarbonate (pH8.3b). Bicarbonate stimulated the root proton secretion, inhibited root growth and ferric chelate reductase (FCR) activity in both PB and quince A, whereas high pH without bicarbonate (pH8.3a) stimulated only root proton release. Both species accumulated more Fe in roots under high pH treatments than under pH6.3, resulting in Fe sufficiency in leaves. Both high pH treatments increased the activity of leaf FCR in PB and quince A. However, extractable Fe(II) concentration in leaves was increased by high pH treatments in PB only. This study demonstrated that depressed Fe(III) reduction in leaves caused by bicarbonate rather than high pH explained Fe deficiency in quince A grown in bicarbonate-containing medium.
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