Interaction between N-fertilizer and water availability on borer-rot complex in sugarcane
Autor(a) principal: | |
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Data de Publicação: | 2015 |
Outros Autores: | , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Bragantia |
Texto Completo: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0006-87052015000100075 |
Resumo: | This study aimed to evaluate the effects of nitrogen availability in fertigation and rainfed management, as well as their interactions with the incidence of and damage caused by D. saccharalis and red rot in sugarcane. The experiment consisted of four treatments (0 and 150 kg ha–1 of N-fertilizer with irrigation; 0 and 150 kg ha–1 of N-fertilizer in rainfed management) in a randomized complete block design with four replications. The evaluated parameters were the number of holes and internodes with red rot per meter of cultivation, stalk yield and sugar content. In the laboratory (T = 25 ± 2 °C; R.H. = 70 ± 10%: 12:12-L:D), we evaluated the attractiveness and consumption of fragments of stalks from the different treatments for fourth instar larvae through choice and no-choice tests in a randomized complete block design with ten replications. Nitrogen fertilization via irrigation has favorable effects on borer-rot complex and leads to higher gains in stalk and sugar yields when compared to rainfed management. The increments of stalk and sugar yields due to nitrogen fertilization compensates for the increase in borer-rot complex infestation. In laboratory tests, D. saccharalis larvae were similarly attracted to all treatments regardless of the doses of N-fertilizer or the water regimes evaluated. However, fragments of sugarcane stalks produced with nitrogen fertilization were consumed more by D. saccharalis in both water regimes. |
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Interaction between N-fertilizer and water availability on borer-rot complex in sugarcaneDiatraea saccharalisirrigationred rotSaccharum spThis study aimed to evaluate the effects of nitrogen availability in fertigation and rainfed management, as well as their interactions with the incidence of and damage caused by D. saccharalis and red rot in sugarcane. The experiment consisted of four treatments (0 and 150 kg ha–1 of N-fertilizer with irrigation; 0 and 150 kg ha–1 of N-fertilizer in rainfed management) in a randomized complete block design with four replications. The evaluated parameters were the number of holes and internodes with red rot per meter of cultivation, stalk yield and sugar content. In the laboratory (T = 25 ± 2 °C; R.H. = 70 ± 10%: 12:12-L:D), we evaluated the attractiveness and consumption of fragments of stalks from the different treatments for fourth instar larvae through choice and no-choice tests in a randomized complete block design with ten replications. Nitrogen fertilization via irrigation has favorable effects on borer-rot complex and leads to higher gains in stalk and sugar yields when compared to rainfed management. The increments of stalk and sugar yields due to nitrogen fertilization compensates for the increase in borer-rot complex infestation. In laboratory tests, D. saccharalis larvae were similarly attracted to all treatments regardless of the doses of N-fertilizer or the water regimes evaluated. However, fragments of sugarcane stalks produced with nitrogen fertilization were consumed more by D. saccharalis in both water regimes.Instituto Agronômico de Campinas2015-03-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S0006-87052015000100075Bragantia v.74 n.1 2015reponame:Bragantiainstname:Instituto Agronômico de Campinas (IAC)instacron:IAC10.1590/1678-4499.0258info:eu-repo/semantics/openAccessPannuti,Luiz Eduardo da RochaBaldin,Edson Luiz LopesGava,Glauber José de CastroSilva,José Paulo Gonçalves Franco daSouza,Efrain de SantanaKölln,Oriel Tiagoeng2015-07-28T00:00:00Zoai:scielo:S0006-87052015000100075Revistahttps://www.scielo.br/j/brag/https://old.scielo.br/oai/scielo-oai.phpbragantia@iac.sp.gov.br||bragantia@iac.sp.gov.br1678-44990006-8705opendoar:2015-07-28T00:00Bragantia - Instituto Agronômico de Campinas (IAC)false |
dc.title.none.fl_str_mv |
Interaction between N-fertilizer and water availability on borer-rot complex in sugarcane |
title |
Interaction between N-fertilizer and water availability on borer-rot complex in sugarcane |
spellingShingle |
Interaction between N-fertilizer and water availability on borer-rot complex in sugarcane Pannuti,Luiz Eduardo da Rocha Diatraea saccharalis irrigation red rot Saccharum sp |
title_short |
Interaction between N-fertilizer and water availability on borer-rot complex in sugarcane |
title_full |
Interaction between N-fertilizer and water availability on borer-rot complex in sugarcane |
title_fullStr |
Interaction between N-fertilizer and water availability on borer-rot complex in sugarcane |
title_full_unstemmed |
Interaction between N-fertilizer and water availability on borer-rot complex in sugarcane |
title_sort |
Interaction between N-fertilizer and water availability on borer-rot complex in sugarcane |
author |
Pannuti,Luiz Eduardo da Rocha |
author_facet |
Pannuti,Luiz Eduardo da Rocha Baldin,Edson Luiz Lopes Gava,Glauber José de Castro Silva,José Paulo Gonçalves Franco da Souza,Efrain de Santana Kölln,Oriel Tiago |
author_role |
author |
author2 |
Baldin,Edson Luiz Lopes Gava,Glauber José de Castro Silva,José Paulo Gonçalves Franco da Souza,Efrain de Santana Kölln,Oriel Tiago |
author2_role |
author author author author author |
dc.contributor.author.fl_str_mv |
Pannuti,Luiz Eduardo da Rocha Baldin,Edson Luiz Lopes Gava,Glauber José de Castro Silva,José Paulo Gonçalves Franco da Souza,Efrain de Santana Kölln,Oriel Tiago |
dc.subject.por.fl_str_mv |
Diatraea saccharalis irrigation red rot Saccharum sp |
topic |
Diatraea saccharalis irrigation red rot Saccharum sp |
description |
This study aimed to evaluate the effects of nitrogen availability in fertigation and rainfed management, as well as their interactions with the incidence of and damage caused by D. saccharalis and red rot in sugarcane. The experiment consisted of four treatments (0 and 150 kg ha–1 of N-fertilizer with irrigation; 0 and 150 kg ha–1 of N-fertilizer in rainfed management) in a randomized complete block design with four replications. The evaluated parameters were the number of holes and internodes with red rot per meter of cultivation, stalk yield and sugar content. In the laboratory (T = 25 ± 2 °C; R.H. = 70 ± 10%: 12:12-L:D), we evaluated the attractiveness and consumption of fragments of stalks from the different treatments for fourth instar larvae through choice and no-choice tests in a randomized complete block design with ten replications. Nitrogen fertilization via irrigation has favorable effects on borer-rot complex and leads to higher gains in stalk and sugar yields when compared to rainfed management. The increments of stalk and sugar yields due to nitrogen fertilization compensates for the increase in borer-rot complex infestation. In laboratory tests, D. saccharalis larvae were similarly attracted to all treatments regardless of the doses of N-fertilizer or the water regimes evaluated. However, fragments of sugarcane stalks produced with nitrogen fertilization were consumed more by D. saccharalis in both water regimes. |
publishDate |
2015 |
dc.date.none.fl_str_mv |
2015-03-01 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0006-87052015000100075 |
url |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0006-87052015000100075 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
10.1590/1678-4499.0258 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
text/html |
dc.publisher.none.fl_str_mv |
Instituto Agronômico de Campinas |
publisher.none.fl_str_mv |
Instituto Agronômico de Campinas |
dc.source.none.fl_str_mv |
Bragantia v.74 n.1 2015 reponame:Bragantia instname:Instituto Agronômico de Campinas (IAC) instacron:IAC |
instname_str |
Instituto Agronômico de Campinas (IAC) |
instacron_str |
IAC |
institution |
IAC |
reponame_str |
Bragantia |
collection |
Bragantia |
repository.name.fl_str_mv |
Bragantia - Instituto Agronômico de Campinas (IAC) |
repository.mail.fl_str_mv |
bragantia@iac.sp.gov.br||bragantia@iac.sp.gov.br |
_version_ |
1754193304263589888 |