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Registro Completo |
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Biblioteca(s): |
Embrapa Suínos e Aves. |
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Data corrente: |
12/06/1997 |
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Data da última atualização: |
10/07/2007 |
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Autoria: |
SINHA, S. K. |
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Título: |
Studies on experimental epizootiology of newcastle disease virus in chickens. |
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Ano de publicação: |
1957 |
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Fonte/Imprenta: |
Wisconsin: University of Wisconsin, 1957. |
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Páginas: |
87p. |
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Idioma: |
Inglês |
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Notas: |
Tese Doutorado |
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Conteúdo: |
A significant difference of several hours in the death of 10 day old embryonating eggs acclimated at 99 F and 95 F incubation temperature has been observed following incubation of six strains of NDV, GB, Herts, KM, Roakin, NaJ and B1 by the allantoic route. The embryo died much earlier at 99 F than at 95 F. Considering all log dilutions tested, the mean difference in death time of embryos between tha two incubation temperatures were found to be as follows: GB: 9 to 15 hours; Herts: 9.2 to 14.2 hours; KM: 11.6 to 12.6 hours; Roakin: 8.5 to 14.8 hours; NaJ: 10.4 to 11 hours; and Bi: 10 to 11 hours. Similarly, an earlier embryonic death was observed at 99 F than at 95 F in the 7, 10 and 12 day old embryonating eggs following allantoic inoculation of Roakin strainof NDV. |
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Palavras-Chave: |
Chicken; Doenca de Newcastle; Epizootiology; Epizotiologia; Newcastle diseases. |
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Thesagro: |
Pinto. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01325nam a2200205 a 4500
001 1432670
005 2007-07-10
008 1957 bl uuuu m 00u1 u #d
100 1 $aSINHA, S. K.
245 $aStudies on experimental epizootiology of newcastle disease virus in chickens.
260 $aWisconsin: University of Wisconsin$c1957
300 $a87p.
500 $aTese Doutorado
520 $aA significant difference of several hours in the death of 10 day old embryonating eggs acclimated at 99 F and 95 F incubation temperature has been observed following incubation of six strains of NDV, GB, Herts, KM, Roakin, NaJ and B1 by the allantoic route. The embryo died much earlier at 99 F than at 95 F. Considering all log dilutions tested, the mean difference in death time of embryos between tha two incubation temperatures were found to be as follows: GB: 9 to 15 hours; Herts: 9.2 to 14.2 hours; KM: 11.6 to 12.6 hours; Roakin: 8.5 to 14.8 hours; NaJ: 10.4 to 11 hours; and Bi: 10 to 11 hours. Similarly, an earlier embryonic death was observed at 99 F than at 95 F in the 7, 10 and 12 day old embryonating eggs following allantoic inoculation of Roakin strainof NDV.
650 $aPinto
653 $aChicken
653 $aDoenca de Newcastle
653 $aEpizootiology
653 $aEpizotiologia
653 $aNewcastle diseases
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Registro original: |
Embrapa Suínos e Aves (CNPSA) |
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Tipo/Formato |
Classificação |
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Registro |
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Registro Completo
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Biblioteca(s): |
Embrapa Meio Ambiente; Embrapa Semiárido. |
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Data corrente: |
11/07/2022 |
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Data da última atualização: |
11/07/2022 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
C - 0 |
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Autoria: |
HAMADA, E.; ANGELOTTI, F.; GONÇALVES, R. R. do V.; RAGO, A. M. |
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Afiliação: |
EMILIA HAMADA, CNPMA; FRANCISLENE ANGELOTTI, CPATSA; RENATA RIBEIRO DO VALLE GONÇALVES, Unicamp; ALEJANDRO MARIO RAGO, Instituto Nacional de Tecnología Agropecuaria da Argentina. |
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Título: |
Prospecting brown rust of sugarcane in São Paulo-Brazil under climate change scenarios. |
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Ano de publicação: |
2022 |
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Fonte/Imprenta: |
Agrometeoros, v. 30, e026980, 2022. |
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ISSN: |
2526-7043 |
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DOI: |
http://dx.doi.org/10.31062/agrom.v30.e026980 |
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Idioma: |
Inglês |
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Conteúdo: |
Climate change can cause significant shifts in the occurrence and severity of agricultural diseases, altering the distribution of phytosanitary problems with severe economic, social, and environmental consequences. Despite their importance, these new geographic and temporal distributions of plant diseases still demand scrutiny. In the present study, we prospect the geographic distribution of sugarcane brown rust (Puccinia melanocephala) considering average temperature and relative humidity in the main producing region of the state of São Paulo. The geographic database was structured using GIS with projections of future climate change provided by IPCC. Mathematical logic equations were defined and applied to data of average temperature and relative humidity, resulting in monthly maps of climate favorability for the occurrence of the disease. Prospective maps for three future periods (2011-2040, 2041-2070, and 2071-2100) and two greenhouse gas emission scenarios were compared to the reference period (1961-1990). The analysis considered months from December to May. Our study shows a tendency of decrease in the favorability for the disease in a longer term (2071-2100), more noticeable in the scenario A2 than in B1. These results suggest; however, that this disease demands attention in the management of the producing region for future climate scenarios. |
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Palavras-Chave: |
Ferrugem marrom; Geoprocessamento. |
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Thesagro: |
Cana de Açúcar; Doença; Mudança Climática. |
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Thesaurus NAL: |
Climate change; Plant diseases and disorders; Puccinia melanocephala; Sugarcane. |
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Categoria do assunto: |
H Saúde e Patologia |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/1144592/1/Hamada-Prospecting-brown-rust-2022.pdf
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/1144578/1/Prospecting-brown-rust-of-sugarcane-in-Sao-Paulo-2022.pdf
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Marc: |
LEADER 02227naa a2200289 a 4500
001 2144592
005 2022-07-11
008 2022 bl uuuu u00u1 u #d
022 $a2526-7043
024 7 $ahttp://dx.doi.org/10.31062/agrom.v30.e026980$2DOI
100 1 $aHAMADA, E.
245 $aProspecting brown rust of sugarcane in São Paulo-Brazil under climate change scenarios.$h[electronic resource]
260 $c2022
520 $aClimate change can cause significant shifts in the occurrence and severity of agricultural diseases, altering the distribution of phytosanitary problems with severe economic, social, and environmental consequences. Despite their importance, these new geographic and temporal distributions of plant diseases still demand scrutiny. In the present study, we prospect the geographic distribution of sugarcane brown rust (Puccinia melanocephala) considering average temperature and relative humidity in the main producing region of the state of São Paulo. The geographic database was structured using GIS with projections of future climate change provided by IPCC. Mathematical logic equations were defined and applied to data of average temperature and relative humidity, resulting in monthly maps of climate favorability for the occurrence of the disease. Prospective maps for three future periods (2011-2040, 2041-2070, and 2071-2100) and two greenhouse gas emission scenarios were compared to the reference period (1961-1990). The analysis considered months from December to May. Our study shows a tendency of decrease in the favorability for the disease in a longer term (2071-2100), more noticeable in the scenario A2 than in B1. These results suggest; however, that this disease demands attention in the management of the producing region for future climate scenarios.
650 $aClimate change
650 $aPlant diseases and disorders
650 $aPuccinia melanocephala
650 $aSugarcane
650 $aCana de Açúcar
650 $aDoença
650 $aMudança Climática
653 $aFerrugem marrom
653 $aGeoprocessamento
700 1 $aANGELOTTI, F.
700 1 $aGONÇALVES, R. R. do V.
700 1 $aRAGO, A. M.
773 $tAgrometeoros$gv. 30, e026980, 2022.
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Embrapa Meio Ambiente (CNPMA) |
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