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Registro Completo |
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Biblioteca(s): |
Embrapa Mandioca e Fruticultura. |
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Data corrente: |
04/05/2010 |
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Data da última atualização: |
02/08/2023 |
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Tipo da produção científica: |
Resumo em Anais de Congresso |
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Autoria: |
FREITAS-ASTÚA, J.; STUCHI, E. S. |
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Afiliação: |
JULIANA DE FREITAS ASTUA, CNPMF; EDUARDO SANCHES STUCHI, CNPMF. |
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Título: |
Worldwide status of leprosis, its mite vector, and a case study: sampling, diagnostic and management of the disease in Brazil. |
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Ano de publicação: |
2009 |
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Fonte/Imprenta: |
In: TALLER INTERNACIONAL SOBRE PLAGAS CUARENTENARIAS DE LOS CÍTRICOS; INTERNATIONAL WORKSHOP ON CITRUS QUARANTINE PEST, 2009, Villahermosa Tabasco. Resúmenes...Villahermosa: SAGARPA, 2009.. |
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Idioma: |
Inglês |
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Conteúdo: |
Brazil is the largest citrus producer in the world, and leprosis is currently considered the main viral disease for the Brazilian citrus industry due to the high costs spent for the chemical control of its vector, the tenuipalpid mite Brevipalpus sp. The global importance of leprosis has significantly increased in the last years, with the northbound spread of the virus to new regions of the American Continent. However, despite the worldwide distribution of its vector, there is no confirmation of the disease outside the Americas. Leprosis is endemic to the main citrus producing areas of Brazil and, even though there are several strategies available for its management, such as pruning of symptomatic branches, reduction of Brevipalpus populations with predaceous mites etc., the control of the disease is fundamentally based on the spray of pesticides after the action threshold for the mite is reached. Recent studies on the epidemiology of leprosis and on virus-vector interactions, however, strongly suggest that growers should take into consideration the presence of the disease ? and not only the vector - in the field for its proper control. Hence, the correct diagnosis of leprosis is essential for its management. Typical symptoms can be easily recognized by experienced personnel in endemic areas. Nevertheless, particularly for new areas, identifying leprosis symptoms may be somewhat challenging. In recent years, however, in addition to the examination of lesions using a transmission electron microscope, other molecular- or serological- based tools have being successfully used to confirm new cases of the disease. This workshop on citrus quarantine pests will bring several aspects on leprosis including a historical view of the disease, its main characteristics, alternatives for its management, its increasing economical importance in Brazil and abroad, and the new data on the search for understanding the interactions amongst the mite vector, the virus, and the plant host. MenosBrazil is the largest citrus producer in the world, and leprosis is currently considered the main viral disease for the Brazilian citrus industry due to the high costs spent for the chemical control of its vector, the tenuipalpid mite Brevipalpus sp. The global importance of leprosis has significantly increased in the last years, with the northbound spread of the virus to new regions of the American Continent. However, despite the worldwide distribution of its vector, there is no confirmation of the disease outside the Americas. Leprosis is endemic to the main citrus producing areas of Brazil and, even though there are several strategies available for its management, such as pruning of symptomatic branches, reduction of Brevipalpus populations with predaceous mites etc., the control of the disease is fundamentally based on the spray of pesticides after the action threshold for the mite is reached. Recent studies on the epidemiology of leprosis and on virus-vector interactions, however, strongly suggest that growers should take into consideration the presence of the disease ? and not only the vector - in the field for its proper control. Hence, the correct diagnosis of leprosis is essential for its management. Typical symptoms can be easily recognized by experienced personnel in endemic areas. Nevertheless, particularly for new areas, identifying leprosis symptoms may be somewhat challenging. In recent years, however, in addition to the examination of lesions using a transmis... Mostrar Tudo |
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Thesagro: |
Doença de Planta; Vírus. |
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Thesaurus Nal: |
Brevipalpus. |
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Categoria do assunto: |
G Melhoramento Genético |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/748820/1/Worldwide-status-of-leprosis-its-mite-vector-and-a-case-study.pdf
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Marc: |
LEADER 02660nam a2200157 a 4500
001 1748820
005 2023-08-02
008 2009 bl uuuu u00u1 u #d
100 1 $aFREITAS-ASTÚA, J.
245 $aWorldwide status of leprosis, its mite vector, and a case study$bsampling, diagnostic and management of the disease in Brazil.$h[electronic resource]
260 $aIn: TALLER INTERNACIONAL SOBRE PLAGAS CUARENTENARIAS DE LOS CÍTRICOS; INTERNATIONAL WORKSHOP ON CITRUS QUARANTINE PEST, 2009, Villahermosa Tabasco. Resúmenes...Villahermosa: SAGARPA$c2009
520 $aBrazil is the largest citrus producer in the world, and leprosis is currently considered the main viral disease for the Brazilian citrus industry due to the high costs spent for the chemical control of its vector, the tenuipalpid mite Brevipalpus sp. The global importance of leprosis has significantly increased in the last years, with the northbound spread of the virus to new regions of the American Continent. However, despite the worldwide distribution of its vector, there is no confirmation of the disease outside the Americas. Leprosis is endemic to the main citrus producing areas of Brazil and, even though there are several strategies available for its management, such as pruning of symptomatic branches, reduction of Brevipalpus populations with predaceous mites etc., the control of the disease is fundamentally based on the spray of pesticides after the action threshold for the mite is reached. Recent studies on the epidemiology of leprosis and on virus-vector interactions, however, strongly suggest that growers should take into consideration the presence of the disease ? and not only the vector - in the field for its proper control. Hence, the correct diagnosis of leprosis is essential for its management. Typical symptoms can be easily recognized by experienced personnel in endemic areas. Nevertheless, particularly for new areas, identifying leprosis symptoms may be somewhat challenging. In recent years, however, in addition to the examination of lesions using a transmission electron microscope, other molecular- or serological- based tools have being successfully used to confirm new cases of the disease. This workshop on citrus quarantine pests will bring several aspects on leprosis including a historical view of the disease, its main characteristics, alternatives for its management, its increasing economical importance in Brazil and abroad, and the new data on the search for understanding the interactions amongst the mite vector, the virus, and the plant host.
650 $aBrevipalpus
650 $aDoença de Planta
650 $aVírus
700 1 $aSTUCHI, E. S.
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Registro original: |
Embrapa Mandioca e Fruticultura (CNPMF) |
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Registro Completo
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Biblioteca(s): |
Embrapa Amazônia Oriental. |
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Data corrente: |
20/03/2014 |
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Data da última atualização: |
20/03/2014 |
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Tipo da produção científica: |
Resumo em Anais de Congresso |
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Autoria: |
MORAES, M. P. S.; SANTOS FILHO, B. G. dos; SANTOS, D. S. B. dos; LOURENÇO JUNIOR, J. de B. |
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Afiliação: |
MAURO PIRES SALGADO MORAES, FCAP; BENEDITO GOMES DOS SANTOS FILHO, FCAP; DORA SUELY BARBOSA DOS SANTOS, FCAP; JOSÉ DE BRITO LOURENÇO JUNIOR, CPATU. |
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Título: |
Qualidade física e fisiológica de sementes de duas gramíneas forrageiras tropicais (Brachiaria brizantha (Hochst ex. A. Rich) stapf cv. marandu e Brachiaria humidicula L.). |
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Ano de publicação: |
1999 |
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Fonte/Imprenta: |
Revista Brasileira de Fisiologia Vegetal, v. 11, p. 62, jul. 1999. Suplemento. |
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Idioma: |
Português |
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Thesagro: |
Gramínea; Pastagem; Qualidade. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/99708/1/62.pdf
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Marc: |
LEADER 00645nam a2200169 a 4500
001 1982828
005 2014-03-20
008 1999 bl uuuu u00u1 u #d
100 1 $aMORAES, M. P. S.
245 $aQualidade física e fisiológica de sementes de duas gramíneas forrageiras tropicais (Brachiaria brizantha (Hochst ex. A. Rich) stapf cv. marandu e Brachiaria humidicula L.).
260 $aRevista Brasileira de Fisiologia Vegetal, v. 11, p. 62, jul. 1999. Suplemento.$c1999
650 $aGramínea
650 $aPastagem
650 $aQualidade
700 1 $aSANTOS FILHO, B. G. dos
700 1 $aSANTOS, D. S. B. dos
700 1 $aLOURENÇO JUNIOR, J. de B.
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Registro original: |
Embrapa Amazônia Oriental (CPATU) |
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