Testing a Bovine Blood-Derived Compound as Iron Supply on Cucumis sativus L.
1
Department of Biomedical and Neuromotor Sciences (DIBINEM), University of Bologna, Via Belmeloro 8/2, 40126 Bologna, Italy
2
Department of Agricultural and Food Sciences (DISTAL), University of Bologna, Viale Fanin 44, 40127 Bologna, Italy
3
Department of Agricultural Chemistry and Food Sciences, Autonomous University of Madrid, Calle Francisco Tomas y Valiente 7, 28049 Madrid, Spain
*
Author to whom correspondence should be addressed.
Agronomy 2020, 10(10), 1480; https://doi.org/10.3390/agronomy10101480
Received: 28 August 2020 / Revised: 11 September 2020 / Accepted: 24 September 2020 / Published: 27 September 2020
(This article belongs to the Special Issue Role of Iron in Plant Nutrition, Growth and Metabolism)
A new powder formulation obtained from bovine blood (Fe-heme) was tested on cucumber (Cucumis sativus L.) to investigate its effectiveness as iron supply in comparison with two synthetic iron-chelates fertilizers: ethylenediaminetetraacetic acid (EDTA/Fe3+) and ethylenediamine-N’N’-bis(2-hydroxyphenyl acetic acid) (o,oEDDHA/Fe3+). Green stressed cucumber plants were evaluated in their recovery (SPAD index and weight variations) and to test the iron reduction capacity of the roots at pH 7.5 and 6.0 using each iron treatment as iron supply. The blood-derived product showed similar effects on decreasing iron-deficiency symptoms: SPAD increments and the weights of plants were similar. Noteworthy, the average of Fe3+ reduction capacity in roots was higher for EDTA/Fe3+, while it was similar for o,oEDDHA/Fe3+, and Fe-heme at pH 7.5. Fe-heme showed a complex behavior due to aggregation and low solubility at pH 6 and showed an unexpectedly high contribution of root exudates to iron reduction.
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Keywords:
iron deficiency; blood-derived fertilizers; biochemical responses; Fe-chelate reductase; root exudates
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MDPI and ACS Style
Di Foggia, M.; Yunta-Mezquita, F.; Tugnoli, V.; Rombolà, A.D.; Lucena, J.J. Testing a Bovine Blood-Derived Compound as Iron Supply on Cucumis sativus L. Agronomy 2020, 10, 1480. https://doi.org/10.3390/agronomy10101480
AMA Style
Di Foggia M, Yunta-Mezquita F, Tugnoli V, Rombolà AD, Lucena JJ. Testing a Bovine Blood-Derived Compound as Iron Supply on Cucumis sativus L. Agronomy. 2020; 10(10):1480. https://doi.org/10.3390/agronomy10101480
Chicago/Turabian StyleDi Foggia, Michele; Yunta-Mezquita, Felipe; Tugnoli, Vitaliano; Rombolà, Adamo D.; Lucena, Juan J. 2020. "Testing a Bovine Blood-Derived Compound as Iron Supply on Cucumis sativus L." Agronomy 10, no. 10: 1480. https://doi.org/10.3390/agronomy10101480
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