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Registro Completo |
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Biblioteca(s): |
Epagri-Sede. |
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Data corrente: |
08/08/2016 |
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Data da última atualização: |
08/08/2016 |
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Tipo da produção científica: |
Resumo em Anais de Congresso |
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Autoria: |
PERUCH, L. A. M.; RODRIGUES, J. A. V.; SÔNEGO, M.; SILVA, F. A. |
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Título: |
BASES FOR THE APPLICATION OF DEFOLIATION AND SURGERY TO CONTROL YELLOW SIGATOKA. |
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Ano de publicação: |
2016 |
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Fonte/Imprenta: |
In: INTERNATIONAL BANANA CONGRESS, 5., INTERNATIONAL MEETING, 21., 2016, Miami - Florida. Abstracts... Miami, Florida: CORBANA / ACORBAT, 2016. p. 2 |
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Idioma: |
Inglês |
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Conteúdo: |
Yellow Sigatoka caused by Mycosphaerella musicola is still an important foliar disease of banana in the
subtropics. The removal of diseased leaves is an important method for sigatoka control, but detailed
information is needed to decide when defoliation or surgery should be applicable. This study aimed to evaluate
the effect of the removal of diseased tissue on the growth of Sigatoka in banana leaves. Treatments were
formed with leaves in different degrees of initial disease severity (0,1,5,15,33%) with or without surgery.
Disease evaluation was performed in weekly intervals using the Stover scale adapted by Gauhl. Data were
transformed to the area under disease progress curve (AUDPC) and submitted to the regression analysis and F
test (P<5%). The experiment adopted a completely randomized design in a factorial scheme with 10 treatments
and five replications in two subsequent years. The surgery practice resulted in an average reduction of 16-18%
of AUDPC in both years. Better control with surgery was achieved in smaller initial severities (IS), except
when IS was 0%. This results indicates that clean leafs should not be submitted to surgery in a preventive way.
The AUDPC was also significantly correlated with IS, so AUCPD growths with IS.Results indicated that
defoliation should be applied with >33% severities. The leaf removal is a valid practice for reducing the
severity of Sigatoka. Sponsor: Acafruta e Finep/ Fapesc |
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Palavras-Chave: |
cultural control; leaf removal; Mycosphaerella. |
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Categoria do assunto: |
A Sistemas de Cultivo |
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Marc: |
LEADER 02110naa a2200193 a 4500
001 1125263
005 2016-08-08
008 2016 bl uuuu u00u1 u #d
100 1 $aPERUCH, L. A. M.
245 $aBASES FOR THE APPLICATION OF DEFOLIATION AND SURGERY TO CONTROL YELLOW SIGATOKA.$h[electronic resource]
260 $c2016
520 $aYellow Sigatoka caused by Mycosphaerella musicola is still an important foliar disease of banana in the subtropics. The removal of diseased leaves is an important method for sigatoka control, but detailed information is needed to decide when defoliation or surgery should be applicable. This study aimed to evaluate the effect of the removal of diseased tissue on the growth of Sigatoka in banana leaves. Treatments were formed with leaves in different degrees of initial disease severity (0,1,5,15,33%) with or without surgery. Disease evaluation was performed in weekly intervals using the Stover scale adapted by Gauhl. Data were transformed to the area under disease progress curve (AUDPC) and submitted to the regression analysis and F test (P<5%). The experiment adopted a completely randomized design in a factorial scheme with 10 treatments and five replications in two subsequent years. The surgery practice resulted in an average reduction of 16-18% of AUDPC in both years. Better control with surgery was achieved in smaller initial severities (IS), except when IS was 0%. This results indicates that clean leafs should not be submitted to surgery in a preventive way. The AUDPC was also significantly correlated with IS, so AUCPD growths with IS.Results indicated that defoliation should be applied with >33% severities. The leaf removal is a valid practice for reducing the severity of Sigatoka. Sponsor: Acafruta e Finep/ Fapesc
653 $acultural control
653 $aleaf removal
653 $aMycosphaerella
700 1 $aRODRIGUES, J. A. V.
700 1 $aSÔNEGO, M.
700 1 $aSILVA, F. A.
773 $tIn: INTERNATIONAL BANANA CONGRESS, 5., INTERNATIONAL MEETING, 21., 2016, Miami - Florida. Abstracts... Miami, Florida: CORBANA / ACORBAT, 2016. p. 2
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Epagri-Sede (Epagri-Sede) |
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Registro Completo
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Biblioteca(s): |
Epagri-Sede. |
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Data corrente: |
25/05/2000 |
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Data da última atualização: |
25/05/2000 |
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Autoria: |
BALARDIN, R.S. |
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Título: |
Defensivos utilizados no controle de doencas de plantas. |
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Ano de publicação: |
1987 |
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Fonte/Imprenta: |
Florianopolis, SC: Acaresc, 1987. |
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Páginas: |
34p. |
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Idioma: |
Português |
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Notas: |
3.etapa - fungicidas; modulo 2 |
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Palavras-Chave: |
AGROTOXICO; DEFENSIVO; FUNGICIDA; TRATAMENTO DE SEMENTE. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 00460nam a2200169 a 4500
001 1012185
005 2000-05-25
008 1987 bl uuuu u0uu1 u #d
100 1 $aBALARDIN, R.S.
245 $aDefensivos utilizados no controle de doencas de plantas.
260 $aFlorianopolis, SC: Acaresc$c1987
300 $a34p.
500 $a3.etapa - fungicidas; modulo 2
653 $aAGROTOXICO
653 $aDEFENSIVO
653 $aFUNGICIDA
653 $aTRATAMENTO DE SEMENTE
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