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Registro Completo
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Biblioteca(s): |
Embrapa Soja. |
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Data corrente: |
16/05/1995 |
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Data da última atualização: |
08/09/2015 |
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Autoria: |
ALMEIDA, A. M. R.; BERGAMIN FILHO, A.; AMORIM, L. |
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Afiliação: |
EMBRAPA-CNPSo. Londrina, PR. |
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Título: |
Disease progress of soybean bud blight and spatial pattern of diseased plants. |
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Ano de publicação: |
1994 |
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Fonte/Imprenta: |
Journal of Plant Diseases and Protection, v.101, n.4, p.386-392, 1994. |
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Idioma: |
Inglês |
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Conteúdo: |
Fourteen epidemics of soybean bud blight, caused by the tobacco streak virus, were monitored in two soybean cultivars ('IAC-4' and 'FT-10') for two years (1987 and 1988) at Arapoti County, state of Parana, southern Brazil. Disease incidence, based on different sowing dates, were analyzed for statistical fitness in several growth models. Ten epidemics were better described by the monomolecular model, while four epidemics were better described by the Gompertz model. The highest final level of disease incidence was y((f))= 0.6 in 1987 and 0.9 in 1988. There were no significant differences between the cultivars in relation to susceptibility. Early-crops always presented more disease than late-crops. The spatial patterns of diseased plants also changed according to sowing dates as determined by ordinary runs analysis. Diseased plants in early sowings had a random pattern, at first, later becoming clustered (Z below -1.64). In late sowings, diseased plants always had a random pattern. |
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Palavras-Chave: |
Brasil; Bud blight; Desenvolvimento temporal; Disease; Distribuicao espacial; Fitopatologia; Phytopathology; Soybean; Spatial pattern; Temporal development. |
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Thesagro: |
Doença; Epidemiologia; Queima do Broto; Soja; Vírus. |
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Thesaurus NAL: |
Brazil; epidemiology. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/129099/1/digitalizar0002.pdf
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Marc: |
LEADER 01920naa a2200349 a 4500
001 1458775
005 2015-09-08
008 1994 bl uuuu u00u1 u #d
100 1 $aALMEIDA, A. M. R.
245 $aDisease progress of soybean bud blight and spatial pattern of diseased plants.
260 $c1994
520 $aFourteen epidemics of soybean bud blight, caused by the tobacco streak virus, were monitored in two soybean cultivars ('IAC-4' and 'FT-10') for two years (1987 and 1988) at Arapoti County, state of Parana, southern Brazil. Disease incidence, based on different sowing dates, were analyzed for statistical fitness in several growth models. Ten epidemics were better described by the monomolecular model, while four epidemics were better described by the Gompertz model. The highest final level of disease incidence was y((f))= 0.6 in 1987 and 0.9 in 1988. There were no significant differences between the cultivars in relation to susceptibility. Early-crops always presented more disease than late-crops. The spatial patterns of diseased plants also changed according to sowing dates as determined by ordinary runs analysis. Diseased plants in early sowings had a random pattern, at first, later becoming clustered (Z below -1.64). In late sowings, diseased plants always had a random pattern.
650 $aBrazil
650 $aepidemiology
650 $aDoença
650 $aEpidemiologia
650 $aQueima do Broto
650 $aSoja
650 $aVírus
653 $aBrasil
653 $aBud blight
653 $aDesenvolvimento temporal
653 $aDisease
653 $aDistribuicao espacial
653 $aFitopatologia
653 $aPhytopathology
653 $aSoybean
653 $aSpatial pattern
653 $aTemporal development
700 1 $aBERGAMIN FILHO, A.
700 1 $aAMORIM, L.
773 $tJournal of Plant Diseases and Protection$gv.101, n.4, p.386-392, 1994.
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Embrapa Soja (CNPSO) |
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