Morphological and productive aspects of lettuce in low altitude and latitude

Detalhes bibliográficos
Autor(a) principal: Cardoso,Sara Santos
Data de Publicação: 2018
Outros Autores: Guimarães,Marcelo de Almeida, Lemos Neto,Hozano de Souza, Tello,Jean Paulo de Jesus, DoVale,Júlio César
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Revista ciência agronômica (Online)
Texto Completo: http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1806-66902018000400644
Resumo: ABSTRACT Lettuce is considered a crop of mild climate and its production in regions of low altitude and latitude is impaired due to the high temperatures and the predominance of long days. Therefore, the aim of this study was to evaluate the behavior of lettuce cultivars in such conditions. An experiment was conducted at the Horta Didática of the Federal University of Ceará, Campus do Pici, in Fortaleza. Nine lettuce cultivars from three commercial groups were used and distributed in a randomized block design, with four replications. The following qualitative traits were evaluated: bolting, head formation, leaf texture, anthocyanin and phytosanitary status for pest and disease infestation. Regarding the quantitative traits, plant height, plant diameter, fresh marketable weight (FMW), and non-marketable (FNMW) total fresh weight (TFW), dry marketable weight (DMW) and non-marketable (DNMW), total dry weight, chlorophyll a, chlorophyll b, chlorophyll a/b ratio. Data were submitted to analysis of variance and, later, grouping test was performed. None of the cultivars presented head formation but all presented early bolting. The cultivars showed no difference for FMW, however, Babá de Verão produced almost 72% more than Repolhuda Brasil from the same group. Regarding FMW, the most productive cultivars were Babá de Verão, Crespa para Verão, Americana Delícia, Crespa Repolhuda and Kaiser. However, Babá do Verão and Crespa stood out for DMW.
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spelling Morphological and productive aspects of lettuce in low altitude and latitudeLactuca sativa L.BoltingYieldCommercial groupsABSTRACT Lettuce is considered a crop of mild climate and its production in regions of low altitude and latitude is impaired due to the high temperatures and the predominance of long days. Therefore, the aim of this study was to evaluate the behavior of lettuce cultivars in such conditions. An experiment was conducted at the Horta Didática of the Federal University of Ceará, Campus do Pici, in Fortaleza. Nine lettuce cultivars from three commercial groups were used and distributed in a randomized block design, with four replications. The following qualitative traits were evaluated: bolting, head formation, leaf texture, anthocyanin and phytosanitary status for pest and disease infestation. Regarding the quantitative traits, plant height, plant diameter, fresh marketable weight (FMW), and non-marketable (FNMW) total fresh weight (TFW), dry marketable weight (DMW) and non-marketable (DNMW), total dry weight, chlorophyll a, chlorophyll b, chlorophyll a/b ratio. Data were submitted to analysis of variance and, later, grouping test was performed. None of the cultivars presented head formation but all presented early bolting. The cultivars showed no difference for FMW, however, Babá de Verão produced almost 72% more than Repolhuda Brasil from the same group. Regarding FMW, the most productive cultivars were Babá de Verão, Crespa para Verão, Americana Delícia, Crespa Repolhuda and Kaiser. However, Babá do Verão and Crespa stood out for DMW.Universidade Federal do Ceará2018-12-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S1806-66902018000400644Revista Ciência Agronômica v.49 n.4 2018reponame:Revista ciência agronômica (Online)instname:Universidade Federal do Ceará (UFC)instacron:UFC10.5935/1806-6690.20180073info:eu-repo/semantics/openAccessCardoso,Sara SantosGuimarães,Marcelo de AlmeidaLemos Neto,Hozano de SouzaTello,Jean Paulo de JesusDoVale,Júlio Césareng2018-10-03T00:00:00Zoai:scielo:S1806-66902018000400644Revistahttp://www.ccarevista.ufc.br/PUBhttps://old.scielo.br/oai/scielo-oai.php||alekdutra@ufc.br|| ccarev@ufc.br1806-66900045-6888opendoar:2018-10-03T00:00Revista ciência agronômica (Online) - Universidade Federal do Ceará (UFC)false
dc.title.none.fl_str_mv Morphological and productive aspects of lettuce in low altitude and latitude
title Morphological and productive aspects of lettuce in low altitude and latitude
spellingShingle Morphological and productive aspects of lettuce in low altitude and latitude
Cardoso,Sara Santos
Lactuca sativa L.
Bolting
Yield
Commercial groups
title_short Morphological and productive aspects of lettuce in low altitude and latitude
title_full Morphological and productive aspects of lettuce in low altitude and latitude
title_fullStr Morphological and productive aspects of lettuce in low altitude and latitude
title_full_unstemmed Morphological and productive aspects of lettuce in low altitude and latitude
title_sort Morphological and productive aspects of lettuce in low altitude and latitude
author Cardoso,Sara Santos
author_facet Cardoso,Sara Santos
Guimarães,Marcelo de Almeida
Lemos Neto,Hozano de Souza
Tello,Jean Paulo de Jesus
DoVale,Júlio César
author_role author
author2 Guimarães,Marcelo de Almeida
Lemos Neto,Hozano de Souza
Tello,Jean Paulo de Jesus
DoVale,Júlio César
author2_role author
author
author
author
dc.contributor.author.fl_str_mv Cardoso,Sara Santos
Guimarães,Marcelo de Almeida
Lemos Neto,Hozano de Souza
Tello,Jean Paulo de Jesus
DoVale,Júlio César
dc.subject.por.fl_str_mv Lactuca sativa L.
Bolting
Yield
Commercial groups
topic Lactuca sativa L.
Bolting
Yield
Commercial groups
description ABSTRACT Lettuce is considered a crop of mild climate and its production in regions of low altitude and latitude is impaired due to the high temperatures and the predominance of long days. Therefore, the aim of this study was to evaluate the behavior of lettuce cultivars in such conditions. An experiment was conducted at the Horta Didática of the Federal University of Ceará, Campus do Pici, in Fortaleza. Nine lettuce cultivars from three commercial groups were used and distributed in a randomized block design, with four replications. The following qualitative traits were evaluated: bolting, head formation, leaf texture, anthocyanin and phytosanitary status for pest and disease infestation. Regarding the quantitative traits, plant height, plant diameter, fresh marketable weight (FMW), and non-marketable (FNMW) total fresh weight (TFW), dry marketable weight (DMW) and non-marketable (DNMW), total dry weight, chlorophyll a, chlorophyll b, chlorophyll a/b ratio. Data were submitted to analysis of variance and, later, grouping test was performed. None of the cultivars presented head formation but all presented early bolting. The cultivars showed no difference for FMW, however, Babá de Verão produced almost 72% more than Repolhuda Brasil from the same group. Regarding FMW, the most productive cultivars were Babá de Verão, Crespa para Verão, Americana Delícia, Crespa Repolhuda and Kaiser. However, Babá do Verão and Crespa stood out for DMW.
publishDate 2018
dc.date.none.fl_str_mv 2018-12-01
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
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dc.language.iso.fl_str_mv eng
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dc.relation.none.fl_str_mv 10.5935/1806-6690.20180073
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
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dc.format.none.fl_str_mv text/html
dc.publisher.none.fl_str_mv Universidade Federal do Ceará
publisher.none.fl_str_mv Universidade Federal do Ceará
dc.source.none.fl_str_mv Revista Ciência Agronômica v.49 n.4 2018
reponame:Revista ciência agronômica (Online)
instname:Universidade Federal do Ceará (UFC)
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instname_str Universidade Federal do Ceará (UFC)
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reponame_str Revista ciência agronômica (Online)
collection Revista ciência agronômica (Online)
repository.name.fl_str_mv Revista ciência agronômica (Online) - Universidade Federal do Ceará (UFC)
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