Redistribution of fungicides in coffee
Using coffee trees sprayed with cuprous oxide and captafol it has been shown that both fungicides are redistributed within the tree canopy by rain. Under conditions of light rain fungicides are removed from upper parts of trees and redeposited at lower levels within the canopy in amounts capable of providing effective protection against coffee berry disease (CBD). With heavy rainfall, however, redeposition of fungicide at effective levels is less likely to occur. The results are discussed in relation to the success of overhead boom sprayers in controlling CBD and the observations that shoots in the upper parts of coffee trees are an important source of spores of the CBD strain of Colletotrichum coffeanum
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| Format: | biblioteca |
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1973
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| Subjects: | ENFERMEDADES FUNGOSAS, COLLETOTRICHUM, CONTROL QUIMICO, FUNGICIDAS, METODOS DE APLICACION, PULVERIZACION, COLLETOTRICHUM COFFEANUM, |
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KOHA-OAI-BVE:734612020-02-03T21:40:52ZRedistribution of fungicides in coffee 104372 Pereira, J.L. 1973Using coffee trees sprayed with cuprous oxide and captafol it has been shown that both fungicides are redistributed within the tree canopy by rain. Under conditions of light rain fungicides are removed from upper parts of trees and redeposited at lower levels within the canopy in amounts capable of providing effective protection against coffee berry disease (CBD). With heavy rainfall, however, redeposition of fungicide at effective levels is less likely to occur. The results are discussed in relation to the success of overhead boom sprayers in controlling CBD and the observations that shoots in the upper parts of coffee trees are an important source of spores of the CBD strain of Colletotrichum coffeanumUsing coffee trees sprayed with cuprous oxide and captafol it has been shown that both fungicides are redistributed within the tree canopy by rain. Under conditions of light rain fungicides are removed from upper parts of trees and redeposited at lower levels within the canopy in amounts capable of providing effective protection against coffee berry disease (CBD). With heavy rainfall, however, redeposition of fungicide at effective levels is less likely to occur. The results are discussed in relation to the success of overhead boom sprayers in controlling CBD and the observations that shoots in the upper parts of coffee trees are an important source of spores of the CBD strain of Colletotrichum coffeanumENFERMEDADES FUNGOSASCOLLETOTRICHUMCONTROL QUIMICOFUNGICIDASMETODOS DE APLICACIONPULVERIZACIONCOLLETOTRICHUM COFFEANUMExperimental Agriculture (RU) |
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IICA |
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Costa Rica |
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CR |
| component |
Bibliográfico |
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cat-sibiica |
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biblioteca |
| region |
America Central |
| libraryname |
Sistema de Bibliotecas IICA/CATIE |
| topic |
ENFERMEDADES FUNGOSAS COLLETOTRICHUM CONTROL QUIMICO FUNGICIDAS METODOS DE APLICACION PULVERIZACION COLLETOTRICHUM COFFEANUM ENFERMEDADES FUNGOSAS COLLETOTRICHUM CONTROL QUIMICO FUNGICIDAS METODOS DE APLICACION PULVERIZACION COLLETOTRICHUM COFFEANUM |
| spellingShingle |
ENFERMEDADES FUNGOSAS COLLETOTRICHUM CONTROL QUIMICO FUNGICIDAS METODOS DE APLICACION PULVERIZACION COLLETOTRICHUM COFFEANUM ENFERMEDADES FUNGOSAS COLLETOTRICHUM CONTROL QUIMICO FUNGICIDAS METODOS DE APLICACION PULVERIZACION COLLETOTRICHUM COFFEANUM 104372 Pereira, J.L. Redistribution of fungicides in coffee |
| description |
Using coffee trees sprayed with cuprous oxide and captafol it has been shown that both fungicides are redistributed within the tree canopy by rain. Under conditions of light rain fungicides are removed from upper parts of trees and redeposited at lower levels within the canopy in amounts capable of providing effective protection against coffee berry disease (CBD). With heavy rainfall, however, redeposition of fungicide at effective levels is less likely to occur. The results are discussed in relation to the success of overhead boom sprayers in controlling CBD and the observations that shoots in the upper parts of coffee trees are an important source of spores of the CBD strain of Colletotrichum coffeanum |
| format |
|
| topic_facet |
ENFERMEDADES FUNGOSAS COLLETOTRICHUM CONTROL QUIMICO FUNGICIDAS METODOS DE APLICACION PULVERIZACION COLLETOTRICHUM COFFEANUM |
| author |
104372 Pereira, J.L. |
| author_facet |
104372 Pereira, J.L. |
| author_sort |
104372 Pereira, J.L. |
| title |
Redistribution of fungicides in coffee |
| title_short |
Redistribution of fungicides in coffee |
| title_full |
Redistribution of fungicides in coffee |
| title_fullStr |
Redistribution of fungicides in coffee |
| title_full_unstemmed |
Redistribution of fungicides in coffee |
| title_sort |
redistribution of fungicides in coffee |
| publishDate |
1973 |
| work_keys_str_mv |
AT 104372pereirajl redistributionoffungicidesincoffee |
| _version_ |
1756057791170084864 |