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| 4. |  | PERUCH, L. A. M.; MEDEIROS, A. M. de; DELLA BRUNA, E.; STADINIK, M. Biomassa citrica, extrato de algas, calda bordalesa e fosfitos no controle do mildio da videira, cv. Niagara Branca. Revista de Ciencias Agroveterinarias, Lages, v.6, n.2, p.143-148, 2007.| Biblioteca(s): Epagri-Sede. |
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| Registros recuperados : 6 | |
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Registro Completo |
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Biblioteca(s): |
Epagri-Sede. |
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Data corrente: |
05/12/2011 |
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Data da última atualização: |
05/12/2011 |
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Tipo da produção científica: |
Resumo em Anais de Congresso |
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Circulação/Nível: |
-- - -- |
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Autoria: |
SONEGO, M.; PERUCH, L. A. M.; MEDEIROS, A. M. |
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Afiliação: |
Epagri |
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Título: |
Efficiency of citric biomass, fungicides and leaf removal in sigatoka diseases control. |
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Ano de publicação: |
2011 |
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Fonte/Imprenta: |
In: IHSH PRO MUSA SYMPOSIUM, 2011, Salvador, BA. Abstracts... Salvador, BA: IHSH, 2011. p. 83. |
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Idioma: |
Inglês |
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Conteúdo: |
Sigatoka caused by Mycosphaerella fijiensis e M. musicola are the main leaf diseases in banana crops in southern Brazil. Usually the disease control is based on fungicide applications preceded by leaf removal, while some farmers use only leaf removal. The objective of this research was to evaluate the efficiency of fungicides, citric biomass and leaf removal to control sigatoka in banana crops under subtropical climate. The experiment was developed in a commercial banana crop of cultivar Prata Dwarf (AAB genome), in the southern coast region of the Santa Catarina State, from August/2008 to November/2008. The treatments tested were: T1) control; T2) leaf removal; T3) tebuconazole (0.5 l/ha) alternated with thiophanate methyl (0.6 ml/ha) without leaf removal; T4) tebuconazole (0.5 l/ha) alternated with thiophanate methyl (0.6 ml/ha) with leaf removal, T5) citric biomass (1.0 l/ha) without leaf removal; T6) citric biomass (1.0 l/ha) with leaf removal. Disease was quantified through the area under disease progress curve (AUDPC), final gross sum (GSfinal) and disease curves. The experimental design was randomized blocks in factorial scheme with five replicates. Duncan multiple range test (P<0.05) was used to the comparisons among treatments on AUDPC and GSFinal. Fungicides and citric biomass resulted in significant reductions in AUDPC and Gsfinal, but leaf removal alone had no significant effect. Fungicides and citric biomass reduced AUDPC by 65 and 63%, and GSfinal by 87 and 73%, respectively. Disease curves were consistent with AUDPC and GSfinal, showing the effect of fungicides on controlling sigatoka diseases. MenosSigatoka caused by Mycosphaerella fijiensis e M. musicola are the main leaf diseases in banana crops in southern Brazil. Usually the disease control is based on fungicide applications preceded by leaf removal, while some farmers use only leaf removal. The objective of this research was to evaluate the efficiency of fungicides, citric biomass and leaf removal to control sigatoka in banana crops under subtropical climate. The experiment was developed in a commercial banana crop of cultivar Prata Dwarf (AAB genome), in the southern coast region of the Santa Catarina State, from August/2008 to November/2008. The treatments tested were: T1) control; T2) leaf removal; T3) tebuconazole (0.5 l/ha) alternated with thiophanate methyl (0.6 ml/ha) without leaf removal; T4) tebuconazole (0.5 l/ha) alternated with thiophanate methyl (0.6 ml/ha) with leaf removal, T5) citric biomass (1.0 l/ha) without leaf removal; T6) citric biomass (1.0 l/ha) with leaf removal. Disease was quantified through the area under disease progress curve (AUDPC), final gross sum (GSfinal) and disease curves. The experimental design was randomized blocks in factorial scheme with five replicates. Duncan multiple range test (P<0.05) was used to the comparisons among treatments on AUDPC and GSFinal. Fungicides and citric biomass resulted in significant reductions in AUDPC and Gsfinal, but leaf removal alone had no significant effect. Fungicides and citric biomass reduced AUDPC by 65 and 63%, and GSfinal by 87 and 73%... Mostrar Tudo |
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Categoria do assunto: |
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Marc: |
LEADER 02011naa a2200109 a 4500
001 1082369
005 2011-12-05
008 2011 bl uuuu u00u1 u #d
245 $aEfficiency of citric biomass, fungicides and leaf removal in sigatoka diseases control.
260 $c2011
520 $aSigatoka caused by Mycosphaerella fijiensis e M. musicola are the main leaf diseases in banana crops in southern Brazil. Usually the disease control is based on fungicide applications preceded by leaf removal, while some farmers use only leaf removal. The objective of this research was to evaluate the efficiency of fungicides, citric biomass and leaf removal to control sigatoka in banana crops under subtropical climate. The experiment was developed in a commercial banana crop of cultivar Prata Dwarf (AAB genome), in the southern coast region of the Santa Catarina State, from August/2008 to November/2008. The treatments tested were: T1) control; T2) leaf removal; T3) tebuconazole (0.5 l/ha) alternated with thiophanate methyl (0.6 ml/ha) without leaf removal; T4) tebuconazole (0.5 l/ha) alternated with thiophanate methyl (0.6 ml/ha) with leaf removal, T5) citric biomass (1.0 l/ha) without leaf removal; T6) citric biomass (1.0 l/ha) with leaf removal. Disease was quantified through the area under disease progress curve (AUDPC), final gross sum (GSfinal) and disease curves. The experimental design was randomized blocks in factorial scheme with five replicates. Duncan multiple range test (P<0.05) was used to the comparisons among treatments on AUDPC and GSFinal. Fungicides and citric biomass resulted in significant reductions in AUDPC and Gsfinal, but leaf removal alone had no significant effect. Fungicides and citric biomass reduced AUDPC by 65 and 63%, and GSfinal by 87 and 73%, respectively. Disease curves were consistent with AUDPC and GSfinal, showing the effect of fungicides on controlling sigatoka diseases.
773 $tIn: IHSH PRO MUSA SYMPOSIUM, 2011, Salvador, BA. Abstracts... Salvador, BA: IHSH, 2011. p. 83.
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