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Proceeding Paper

Precision Agriculture as Input for the Rice Grain (Oryza sativa L.) Biofortification with Selenium †

by
Ana Coelho Marques
1,2,*,
Cláudia Campos Pessoa
1,2,
Diana Daccak
1,2,
Inês Carmo Luís
1,2,
Ana Rita F. Coelho
1,2,
João Caleiro
1,
Paula Scotti Campos
2,3,
Ana Sofia Almeida
2,4,
Manuela Simões
1,2,
Maria Graça Brito
1,2,
José Carlos Kullberg
1,2,
Maria Fernanda Pessoa
1,2,
Fernando Reboredo
1,2,
José C. Ramalho
2,5,
José Manuel N. Semedo
2,3,
Paula Marques
6,
Maria Manuela Silva
2,7,
Paulo Legoinha
1,2,
Isabel Pais
2,3 and
Fernando C. Lidon
1,2
1
Earth Sciences Department, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, 2829-516 Caparica, Portugal
2
GeoBioTec Research Center, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, 2829-516 Caparica, Portugal
3
Instituto Nacional de Investigação Agrária e Veterinária, I.P. (INIAV), Avenida da República, Quinta do Marquês, 2780-157 Oeiras, Portugal
4
Instituto Nacional de Investigação Agrária e Veterinária, I.P. (INIAV), Estrada de Gil Vaz 6, 7351-901 Elvas, Portugal
5
PlantStress & Biodiversity Lab., Centro de Estudos Florestais (CEF), Instituto Superior Agronomia (ISA), Universidade de Lisboa (ULisboa), Quinta do Marquês, Av. República, 2784-505 Oeiras and Tapada da Ajuda, 1349-017 Lisboa, Portugal
6
Centro Operativo e Tecnológico do Arroz (COTArroz), 2120-014 Salvaterra de Magos, Portugal
7
ESEAG-COAF, Avenida do Campo Grande 376, 1749-024 Lisboa, Portugal
*
Author to whom correspondence should be addressed.
†
Presented at the 1st International Electronic Conference on Agronomy, 3–17 May 2021; Available online: https://sciforum.net/conference/IECAG2021.
Biol. Life Sci. Forum 2021, 3(1), 37; https://doi.org/10.3390/IECAG2021-10019
Published: 11 May 2021
(This article belongs to the Proceedings of The 1st International Electronic Conference on Agronomy)
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Abstract

Using two rice genotypes as a test system (OP1505 and OP1509), the aim of this study was to develop an agronomic workflow for Se biofortification through foliar fertilization (with sodium selenate and sodium selenite). During the biofortification process, the state of the culture (slope, surface drainage, water lines and normalized differences vegetation index—NDVI), using an Unmanned Aerial Vehicles synchronized by global positioning system (GPS) was further assessed. It was found that after sowing, the water-drainage pattern became profoundly altered, following the artificial pattern, created by grooves between plots. NDVI values, compared to the control, did not show significant differences. These data were correlated with physiological monitoring during biofortification. Furthermore, it was found by eco-physiological data obtained through leaf gas exchanges, that the application of 300 g Se ha−1 did not show any toxicity effects in the biofortified plants. In the context of innovation, it was concluded that the application of precision agriculture techniques in conjunction with leaf-gas exchange measurements allow for an efficient monitoring of the experimental field conditions and the development of the rice cycle during the implementation of the biofortification workflow.
Keywords: leaf gas exchanges; photosynthesis; precision agriculture; rice genotypes; selenium biofortification leaf gas exchanges; photosynthesis; precision agriculture; rice genotypes; selenium biofortification

Share and Cite

MDPI and ACS Style

Marques, A.C.; Pessoa, C.C.; Daccak, D.; Luís, I.C.; Coelho, A.R.F.; Caleiro, J.; Campos, P.S.; Almeida, A.S.; Simões, M.; Brito, M.G.; et al. Precision Agriculture as Input for the Rice Grain (Oryza sativa L.) Biofortification with Selenium. Biol. Life Sci. Forum 2021, 3, 37. https://doi.org/10.3390/IECAG2021-10019

AMA Style

Marques AC, Pessoa CC, Daccak D, Luís IC, Coelho ARF, Caleiro J, Campos PS, Almeida AS, Simões M, Brito MG, et al. Precision Agriculture as Input for the Rice Grain (Oryza sativa L.) Biofortification with Selenium. Biology and Life Sciences Forum. 2021; 3(1):37. https://doi.org/10.3390/IECAG2021-10019

Chicago/Turabian Style

Marques, Ana Coelho, Cláudia Campos Pessoa, Diana Daccak, Inês Carmo Luís, Ana Rita F. Coelho, João Caleiro, Paula Scotti Campos, Ana Sofia Almeida, Manuela Simões, Maria Graça Brito, and et al. 2021. "Precision Agriculture as Input for the Rice Grain (Oryza sativa L.) Biofortification with Selenium" Biology and Life Sciences Forum 3, no. 1: 37. https://doi.org/10.3390/IECAG2021-10019

APA Style

Marques, A. C., Pessoa, C. C., Daccak, D., Luís, I. C., Coelho, A. R. F., Caleiro, J., Campos, P. S., Almeida, A. S., Simões, M., Brito, M. G., Kullberg, J. C., Pessoa, M. F., Reboredo, F., Ramalho, J. C., Semedo, J. M. N., Marques, P., Silva, M. M., Legoinha, P., Pais, I., & Lidon, F. C. (2021). Precision Agriculture as Input for the Rice Grain (Oryza sativa L.) Biofortification with Selenium. Biology and Life Sciences Forum, 3(1), 37. https://doi.org/10.3390/IECAG2021-10019

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