Efficiency of portable chlorophyll meters in assessing the nutritional status of wheat plants

Detalhes bibliográficos
Autor(a) principal: Schlichting,Alessana F.
Data de Publicação: 2015
Outros Autores: Bonfim-Silva,Edna M., Silva,Matheus de C., Pietro-Souza,William, Silva,Tonny J. A. da, Farias,Lorraine do N.
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Revista Brasileira de Engenharia Agrícola e Ambiental (Online)
Texto Completo: http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662015001201148
Resumo: ABSTRACT The objective of this study was to verify the efficiency of two portable chlorophyll meters (Minolta SPAD® 502 and Falker ClorofiLOG® 1030) in assessing the nutritional status of wheat plants, correlating the indices from the devices and the direct determination of chlorophyll content with the concentration of nitrogen (N) in the plant. The experiment was conducted in a greenhouse, in pots with 5 dm3 of Oxisol, in a completely randomized design, with six N doses (0, 80, 160, 240, 320 and 400 mg dm-3) and five replicates. At 47 days after emergence, the readings of SPAD and Falker indices and the quantification of chlorophyll content and N concentration in wheat plants were performed, as well as analysis of variance and correlation test, both at 0.05 probability level. The chlorophyll meters Minolta SPAD® 502 and Falker ClorofiLOG® 1030 do not differ with respect to the indirect determination of chlorophyll in wheat plants. The Falker chlorophyll index was statistically equal to the chlorophyll content. Indirect chlorophyll indices and chlorophyll content showed a high correlation with the N concentration in the plant.
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spelling Efficiency of portable chlorophyll meters in assessing the nutritional status of wheat plantsSPADFalkerTriticum aestivumABSTRACT The objective of this study was to verify the efficiency of two portable chlorophyll meters (Minolta SPAD® 502 and Falker ClorofiLOG® 1030) in assessing the nutritional status of wheat plants, correlating the indices from the devices and the direct determination of chlorophyll content with the concentration of nitrogen (N) in the plant. The experiment was conducted in a greenhouse, in pots with 5 dm3 of Oxisol, in a completely randomized design, with six N doses (0, 80, 160, 240, 320 and 400 mg dm-3) and five replicates. At 47 days after emergence, the readings of SPAD and Falker indices and the quantification of chlorophyll content and N concentration in wheat plants were performed, as well as analysis of variance and correlation test, both at 0.05 probability level. The chlorophyll meters Minolta SPAD® 502 and Falker ClorofiLOG® 1030 do not differ with respect to the indirect determination of chlorophyll in wheat plants. The Falker chlorophyll index was statistically equal to the chlorophyll content. Indirect chlorophyll indices and chlorophyll content showed a high correlation with the N concentration in the plant.Departamento de Engenharia Agrícola - UFCG2015-12-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662015001201148Revista Brasileira de Engenharia Agrícola e Ambiental v.19 n.12 2015reponame:Revista Brasileira de Engenharia Agrícola e Ambiental (Online)instname:Universidade Federal de Campina Grande (UFCG)instacron:UFCG10.1590/1807-1929/agriambi.v19n12p1148-1151info:eu-repo/semantics/openAccessSchlichting,Alessana F.Bonfim-Silva,Edna M.Silva,Matheus de C.Pietro-Souza,WilliamSilva,Tonny J. A. daFarias,Lorraine do N.eng2015-11-19T00:00:00Zoai:scielo:S1415-43662015001201148Revistahttp://www.scielo.br/rbeaaPUBhttps://old.scielo.br/oai/scielo-oai.php||agriambi@agriambi.com.br1807-19291415-4366opendoar:2015-11-19T00:00Revista Brasileira de Engenharia Agrícola e Ambiental (Online) - Universidade Federal de Campina Grande (UFCG)false
dc.title.none.fl_str_mv Efficiency of portable chlorophyll meters in assessing the nutritional status of wheat plants
title Efficiency of portable chlorophyll meters in assessing the nutritional status of wheat plants
spellingShingle Efficiency of portable chlorophyll meters in assessing the nutritional status of wheat plants
Schlichting,Alessana F.
SPAD
Falker
Triticum aestivum
title_short Efficiency of portable chlorophyll meters in assessing the nutritional status of wheat plants
title_full Efficiency of portable chlorophyll meters in assessing the nutritional status of wheat plants
title_fullStr Efficiency of portable chlorophyll meters in assessing the nutritional status of wheat plants
title_full_unstemmed Efficiency of portable chlorophyll meters in assessing the nutritional status of wheat plants
title_sort Efficiency of portable chlorophyll meters in assessing the nutritional status of wheat plants
author Schlichting,Alessana F.
author_facet Schlichting,Alessana F.
Bonfim-Silva,Edna M.
Silva,Matheus de C.
Pietro-Souza,William
Silva,Tonny J. A. da
Farias,Lorraine do N.
author_role author
author2 Bonfim-Silva,Edna M.
Silva,Matheus de C.
Pietro-Souza,William
Silva,Tonny J. A. da
Farias,Lorraine do N.
author2_role author
author
author
author
author
dc.contributor.author.fl_str_mv Schlichting,Alessana F.
Bonfim-Silva,Edna M.
Silva,Matheus de C.
Pietro-Souza,William
Silva,Tonny J. A. da
Farias,Lorraine do N.
dc.subject.por.fl_str_mv SPAD
Falker
Triticum aestivum
topic SPAD
Falker
Triticum aestivum
description ABSTRACT The objective of this study was to verify the efficiency of two portable chlorophyll meters (Minolta SPAD® 502 and Falker ClorofiLOG® 1030) in assessing the nutritional status of wheat plants, correlating the indices from the devices and the direct determination of chlorophyll content with the concentration of nitrogen (N) in the plant. The experiment was conducted in a greenhouse, in pots with 5 dm3 of Oxisol, in a completely randomized design, with six N doses (0, 80, 160, 240, 320 and 400 mg dm-3) and five replicates. At 47 days after emergence, the readings of SPAD and Falker indices and the quantification of chlorophyll content and N concentration in wheat plants were performed, as well as analysis of variance and correlation test, both at 0.05 probability level. The chlorophyll meters Minolta SPAD® 502 and Falker ClorofiLOG® 1030 do not differ with respect to the indirect determination of chlorophyll in wheat plants. The Falker chlorophyll index was statistically equal to the chlorophyll content. Indirect chlorophyll indices and chlorophyll content showed a high correlation with the N concentration in the plant.
publishDate 2015
dc.date.none.fl_str_mv 2015-12-01
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
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dc.identifier.uri.fl_str_mv http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662015001201148
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dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv 10.1590/1807-1929/agriambi.v19n12p1148-1151
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dc.format.none.fl_str_mv text/html
dc.publisher.none.fl_str_mv Departamento de Engenharia Agrícola - UFCG
publisher.none.fl_str_mv Departamento de Engenharia Agrícola - UFCG
dc.source.none.fl_str_mv Revista Brasileira de Engenharia Agrícola e Ambiental v.19 n.12 2015
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