ArticleBMC plant biology2024
The activation of iron deficiency responses of grapevine rootstocks is dependent to the availability of the nitrogen forms.
Article in BMC plant biology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed, 8 citations in OpenAlex.
- 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
- Article
- Gene Co-Expression Networks Highlight Key Nodes Associated With Ammonium Nitrate in Sugarcane.Physiologia plantarumArticle
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Authors and funding
11 authors at 5 institutions in 4 countries.
Funding
Abstract
backgroundIn viticulture, iron (Fe) chlorosis is a common abiotic stress that impairs plant development and leads to yield and quality losses. Under low availability of the metal, the applied N form (nitrate and ammonium) can play a role in promoting or mitigating Fe deficiency stresses. However, the processes involved are not clear in grapevine. Therefore, the aim of this study was to investigate the response of two grapevine rootstocks to the interaction between N forms and Fe uptake. This process was evaluated in a hydroponic experiment using two ungrafted grapevine rootstocks Fercal (Vitis berlandieri x V. vinifera) tolerant to deficiency induced Fe chlorosis and Couderc 3309 (V. riparia x V. rupestris) susceptible to deficiency induced Fe chlorosis.
resultsThe results could differentiate Fe deficiency effects, N-forms effects, and rootstock effects. Interveinal chlorosis of young leaves appeared earlier on 3309 C from the second week of treatment with NO
conclusionsResults show a clear contribution of N forms to the response of the two grapevine rootstocks under Fe deficiency, highlighting the importance of providing both N forms (nitrate and ammonium) in an appropriate ratio in order to ease the rootstock responses to Fe deficiency.
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