Abstract
Boron is one of the most limiting micronutrients to the good development and production of tomato, and the damage intensity varies with the cultivars, their phenological stages and the environmental conditions. The aim of this work was to evaluate the effects of boron concentrations in nutrient solution on agronomic performance and possible morpho-anatomical changes in leaves, stems, roots and fruit production of the cherry tomato cultivated in a hydroponic system. The experiment consisted of four concentrations of boron (1.0; 10.0; 25.0; and 50.0 μmol L−1) and plants evaluation at different phenological stages: 43, 53, 66 and 84 days after sowing. The concentration of 1 μmol L−1 boron in nutrient solution caused the greatest limitation to the growth and development of the tomato, from the vegetative stage, with aggravation of damage in the subsequent stages. The anatomical alterations in the leaf, stem and root tissues became more conspicuous with the advancement of the phenological stages, preventing fruit production. The estimated dose of 35 μmol L−1 boron results in the best growth and production of the tomato ‘Iracema.’
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Acknowledgements
The authors thank the Conselho Nacional de DesenvolvimentoCientífico e Tecnológico (CNPq) and Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES—Finance Code 001) for financial support.
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WPS performed the experiment, collected the data, performed the chemical, anatomical and statistical analysis and wrote the manuscript; HEPM advised the research and assisted the hydroponic procedures, the chemical analysis, the discussion of results and writing of the manuscript; CCM searched the literature, performed the statistical analysis and wrote the manuscript; IPCL and JMC participated in the conduction of the experiment; PRC advised the statistical analysis; and MCV advised the anatomical studies. All authors reviewed the manuscript.
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Sturião, W.P., Martinez, H.E.P., Milagres, C.C. et al. Boron lack affects the anatomy of leaf, stem and root of cherry tomato. Braz. J. Bot 43, 247–255 (2020). https://doi.org/10.1007/s40415-020-00605-8
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DOI: https://doi.org/10.1007/s40415-020-00605-8