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Registro Completo |
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Biblioteca(s): |
Embrapa Meio Norte / UEP-Parnaíba. |
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Data corrente: |
09/10/1996 |
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Data da última atualização: |
09/10/1996 |
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Autoria: |
FRAVEL, D. R.; STOSZ, S. K.; LARKIN, R. P. |
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Afiliação: |
USDA. |
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Título: |
Effect of temperature, soil type, and matric potential on proliferation and survival of Fusarium oxysporum f.sp. srythroxyli from Erythroxylum coca. |
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Ano de publicação: |
1996 |
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Fonte/Imprenta: |
Phytopathology, v.86, n.3, p.236-240, 1996. |
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Idioma: |
Inglês |
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Conteúdo: |
Natural epidemics of Fusarium wilt on coca have stimulated interest inthe causal agent Fusarium oxysporum f.sp. erythroxyli. Effects of constant and fluctuating temperatures, soil matric potential, and soil type on the proliferation of f.oxysporum f.sp. erythroxyli isolate EN4-FTfrom an alginate prill formulation were studied. Three or four soils were used; a Galestown gravelly loamy sand (GGLS). Halboro loamy sand (HLS), and red clay subsoil (RC) were collected in Beltsville, MD. A clay loam soil from a planting of coca in Hawaii (HCL) was substituted for RC soil in some experiments. Prill containing F. oxysporum f.sp. erythroxyli were placed on the surface of GGLS, HLS, or HCL, soils and maintained at -10, -100, or 500kPa for 1 week. Matric potential and soil type significantly affected proliferation of the pathogen into the soils. |
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Palavras-Chave: |
Environemtal factors; Fatores do ambiente. |
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Thesagro: |
Fusarium Oxysporum. |
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Thesaurus Nal: |
Erythroxylum coca. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01462naa a2200193 a 4500
001 1078147
005 1996-10-09
008 1996 bl --- 0-- u #d
100 1 $aFRAVEL, D. R.
245 $aEffect of temperature, soil type, and matric potential on proliferation and survival of Fusarium oxysporum f.sp. srythroxyli from Erythroxylum coca.
260 $c1996
520 $aNatural epidemics of Fusarium wilt on coca have stimulated interest inthe causal agent Fusarium oxysporum f.sp. erythroxyli. Effects of constant and fluctuating temperatures, soil matric potential, and soil type on the proliferation of f.oxysporum f.sp. erythroxyli isolate EN4-FTfrom an alginate prill formulation were studied. Three or four soils were used; a Galestown gravelly loamy sand (GGLS). Halboro loamy sand (HLS), and red clay subsoil (RC) were collected in Beltsville, MD. A clay loam soil from a planting of coca in Hawaii (HCL) was substituted for RC soil in some experiments. Prill containing F. oxysporum f.sp. erythroxyli were placed on the surface of GGLS, HLS, or HCL, soils and maintained at -10, -100, or 500kPa for 1 week. Matric potential and soil type significantly affected proliferation of the pathogen into the soils.
650 $aErythroxylum coca
650 $aFusarium Oxysporum
653 $aEnvironemtal factors
653 $aFatores do ambiente
700 1 $aSTOSZ, S. K.
700 1 $aLARKIN, R. P.
773 $tPhytopathology$gv.86, n.3, p.236-240, 1996.
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Registro original: |
Embrapa Meio Norte / UEP-Parnaíba (CPAMN-UEPP) |
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