Advanced techniques using the plant as indicator of irrigation management

Esteves, Barbara dos Santos; Lousada, Lidiane de Lima; Sousa, Elias Fernandes de; Campostrini, Eliemar

doi:10.1590/0103-8478cr20140501

Abstracts

The methodologies which are considered the most promising for irrigation management are those based on the analysis of the water status of the plants themselves. This justifies the study and improvement of indicators based on automatic and continuous measures to enable real-time monitoring data, as indices from sap flow, dendrometry and leaf turgor pressure techniques. The aim of this paper is to analyze such methodologies in order to demonstrate their principles, advantages and challenges. In conclusion, the methodologies analyzed still have many technological advances and challenges before being presented to the final user. The future research should work these tools for elaboration of technical indexes that allow their simplification, on the instrumental point of view, and the interpretation of their results.

sap flow; dendrometry; leaf turgor pressure.

As metodologias que se apresentam como as mais promissoras para o manejo de irrigação são aquelas baseadas na análise do status hídrico das próprias plantas. Isso justifica este estudo e o aprimoramento de indicadores baseados em medidas automáticas e contínuas que permitam acompanhamento em tempo real dos dados, como os índices provindos das técnicas do fluxo de seiva, dendrometria e da pressão de turgescência foliar. Nesse sentido, esta revisão se propõem a analisar tais metodologias de maneira a demonstrar seus princípios, vantagens e desafios. Como conclusão, tem-se que as metodologias analisadas ainda têm diversos desafios tecnológicos para serem apresentadas de maneira satisfatória ao usuário final. As pesquisas devem trabalhar estas ferramentas para elaboração de índices técnicos que permitam sua simplificação, tanto do ponto de vista instrumental, quanto para a interpretação dos seus resultados.

fluxo de seiva; dendrometria; pressão de turgescência foliar.

INTRODUCTION:

ALLEN et al., 1998SOUZA, 2009REMORINI & MASSAI, 2003GOLDHAMER et al., 1999REMORINI & MASSAI, 2003NAOR, 2006BURGUESS & DAWSON, 2008ČERMÁRK et al., 2004SILVA (2008FERNÁNDEZ et al. (2001)SANTOS et al. (2005SILVA, 2008MARIN et al., 2008GRANIER (1985GRANIER (1985PIMENTEL et al., 2010ROJAS et al., 2006RAMOS & SANTOS (2009LURBE (2013FERNÁNDEZ et al. (2007)ORTUÑO et al. (2006PONS et al. (2008FERNÁNDEZ et al. (2008in situFERNÁNDEZ et al. (2008SILVA (2008PUERTO et al., 2013ORTUÑO et al., 2010ORTUÑO et al., 2006SOUZA, 2009GOLDHAMER & FERERES (2001GOLDHAMER & FERERES, 2001ORTUÑO et al. (2006FERNÁNDEZ et al. (2011PÁGAN et al. (2012)SOUZA (2009CONEJERO et al. (2010)PUERTO et al. (2013FERNÁNDEZ & CUEVAS (2010)ORTUNÕ et al. (2010)BONET et al. (2010ZIMMERMANN et al., 2008RODRIGUEZ-DOMINGUEZ et al. (2012MEINZER et al. (2001ZIMMERMANN et al. (2013WESTHOFF et al. (2009ZIMMERMANN et al., 2009BRAMLEY et al., 2013ZIMMERMANN et al. (2009)EHRENBERGER et al. (2012FERNÁNDEZ et al. (2011RODRIGUEZ-DOMINGUEZ et al. (2012BRAMLEY et al. (2013)FERNANDEZ et al., 2011

CONCLUSION:

ACKNOWLEDGEMENTS

The Fundação de Amparo à Pesquisa do Estado do Rio de Janeiro (FAPERJ), Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES) and Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) for the financial support.

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CR-2014-0501.R1

ERRATUM

Artigo "Advanced techniques using the plant as indicator of irrigation management" publicado no fascículo v45n5 de maio da Ciência Rural páginas 821-827 sem a inclusão de duas citações e correspondentes referências, onde se lia:

"In the case that the irrigated plant is considered in isolation, such as in an orchard, for example, the biggest problem is to determine the volume of water to be applied for each time period and the moment it should be applied. This is due to the little knowledge about the amount of water used by a plant during its transpiration with the soil in excellent water conditions."

"Plant indicators have been used, primarily in research, as methods for estimating water stress; and their practical applications in irrigation management are still being developed."

leia-se:

"In the case that the irrigated plant is considered in isolation, such as in an orchard, for example, the biggest problem is to determine the volume of water to be applied (ROJAS and ANGELOCCI, 2000) for each time period and the moment it should be applied. This is due to the little knowledge about the amount of water used by a plant during its transpiration with the soil in excellent water conditions (ROJAS and ANGELOCCI, 2000)."

"Plant indicators have been used, primarily in research, as methods for estimating water stress; and their practical applications in irrigation management are still being developed (NAOR and COHEN, 2003)."

NAOR, A.; COHEN, S. Sensitivity and variability of maximum trunk shrinkage, midday stem water potential, and transpiration rate in response to with holding irrigation from fiel-grown apple trees. Hortscience v.38, n.4, p.547-551, 2003. Available from: <http://hortsci.ashspublications.org/content/38/4/547.full.pdf>. Acessed: Sep. 01, 2013.

ROJAS, J.S.D.; ANGELOCCI, L.R. Desempenho do dendrômetro de precisão na medida de deslocamento radial do caule de lima ácida "Tahiti" em resposta às diferentes condições ambientais. In: XI Congresso Brasileiro de Meteorologia, 2000, Rio de Janeiro. Anais... XI Congresso Brasileiro de Meteorologia. Rio de Janeiro: Associação Brasileira de Meteorologia, 2000. Para a versão correta, acesse: http://www.scielo.br/pdf/cr/v45n5/0103-8478-cr-45-05-00821.pdf

Publication Dates

Publication in this collection
May 2015

History

Received
03 Apr 2014
Accepted
18 Sept 2014

This is an open-access article distributed under the terms of the Creative Commons Attribution License

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