Análise não destrutiva de pigmentos fotossintéticos em folhas de gergelim

dc.contributorUniversidade Estadual Paulista (UNESP)
dc.creatorRigon, Joao P. G.
dc.creatorBeltrao, Napoleao E. de M.
dc.creatorCapuani, Silvia
dc.creatorde Brito Neto, Jose F.
dc.creatorSilva, Fabiola V. de F.
dc.date2014-05-20T15:33:25Z
dc.date2016-10-25T18:09:57Z
dc.date2014-05-20T15:33:25Z
dc.date2016-10-25T18:09:57Z
dc.date2012-01-01
dc.date.accessioned2017-04-06T00:32:49Z
dc.date.available2017-04-06T00:32:49Z
dc.identifierRevista Brasileira de Engenharia Agricola E Ambiental. Joao Pessoa Pb: Universidade Federal da Paraíba (UFPB) Ccsa, v. 16, n. 3, p. 258-261, 2012.
dc.identifier1415-4366
dc.identifierhttp://hdl.handle.net/11449/42038
dc.identifierhttp://acervodigital.unesp.br/handle/11449/42038
dc.identifierS1415-43662012000300004
dc.identifierWOS:000310686500004
dc.identifierS1415-43662012000300004.pdf
dc.identifierhttp://dx.doi.org/10.1590/S1415-43662012000300004
dc.identifier.urihttp://repositorioslatinoamericanos.uchile.cl/handle/2250/884705
dc.descriptionThe study aimed to relate the photosynthetic pigments, which were extracted in a laboratory and the readings were obtained by the portable chlorophyll meter ClorofiLOG 1030, by using mathematical models in sesame leaves. This work was conducted in December 2010, at Empresa Brasileira de Pesquisa Agropecuária (EMBRAPA) Cotton, where feaf discs were removed to measure chlorophyll indexes through the portable chlorophyll meter. The same leaf discs were subjected to extraction of photosynthetic pigments, by using 5 mL dimethyl sulfoxide (DMSO), and were kept in a water bath at 70 degrees C for 30 min. Afterwards, an aliquot of 3 mL was removed to be read in a spectrophotometer at wavelengths of 470, 646 and 663 nm. Based on analytical results, mathematical models were adjusted by using the chlorophyll index to predict the levels of chlorophyll a, b, and total, and of carotenoids and their relationships. The study concluded that the portable chlorophyll meter ClorofiLOG 1030 can be used to estimate the concentration of photosynthetic pigments in sesame leaves with high precision, besides saving resources and time.
dc.languagepor
dc.publisherUniversidade Federal da Paraíba (UFPB) Ccsa
dc.relationRevista Brasileira de Engenharia Agrícola e Ambiental
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subjectchlorophyll meter
dc.subjectchlorophyll
dc.subjectcalibration
dc.titleAnálise não destrutiva de pigmentos fotossintéticos em folhas de gergelim
dc.typeOtro


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