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Registro Completo |
Biblioteca(s): |
Embrapa Soja. |
Data corrente: |
26/07/1993 |
Data da última atualização: |
07/10/2004 |
Autoria: |
SINCLAIR, J. B. |
Afiliação: |
INTSOY, Department of Plant Pathology, University of Illinois at UrbanaChampaign, USA. |
Título: |
Seed-borne pathogens of irrigated soybeans. |
Ano de publicação: |
1981 |
Fonte/Imprenta: |
In: CONFERENCE ON IRRIGATED SOYBEAN PRODUCTION IN ARID IN AND SEMI-ARID REGIONS, 1979, Cairo. Procedings. Urbana-Champaign : INTSOY/ University of Illinois, 1981. p.69-72. (INTSOY. Series, 20). |
Idioma: |
Inglês |
Notas: |
Ver trabalho preliminar no PC 3730. |
Conteúdo: |
Environmental conditions-particulary high temperature and moisture-during seed development, at harvest time, and during storage play an important role in the establishment of microorganisms in soybean seeds. Most of the seed-borne fungal, bacterial, and viral pathogens of soybeans are located inside the seed. These disease agents can reduce seed quality. Pathogens carried in seeds are a source of primary inoculum forthe next season's crop and help distribute the pathogen into areas where it may not be established. Individual seeds in each seed populationmay vary by the type and number of microorganisms carried. Although loss to diseases generally is presumed to be less in irrigated soybeans,certain pathogens may be just as damaging as under nonirrigated cultivation. Some of the diseases reported in soybeans under irrigation are: charcoal rot, stem and root rots, pod and stem blight, downy, purple seed stain, and at least there viruses. All diseases that occur in irrigated soybeans are seed-borne ones, except rust. Thus, measuresto assure that the seed planted is relatively free of seed-borne pathogens is one means of controlling diseases. However, when pathogens such as Macrophomina phaseolina (charcoal rot) are soil-borne and have a wide host range, using seeds absolutely free of the pathogen wil not assure disease control. The control methods for seed-borne pathogens ofsoybeans are nonchemical and chemical. The nonchemical methods includeproper harvesting and storage, handling to avoid injuries, and using.. MenosEnvironmental conditions-particulary high temperature and moisture-during seed development, at harvest time, and during storage play an important role in the establishment of microorganisms in soybean seeds. Most of the seed-borne fungal, bacterial, and viral pathogens of soybeans are located inside the seed. These disease agents can reduce seed quality. Pathogens carried in seeds are a source of primary inoculum forthe next season's crop and help distribute the pathogen into areas where it may not be established. Individual seeds in each seed populationmay vary by the type and number of microorganisms carried. Although loss to diseases generally is presumed to be less in irrigated soybeans,certain pathogens may be just as damaging as under nonirrigated cultivation. Some of the diseases reported in soybeans under irrigation are: charcoal rot, stem and root rots, pod and stem blight, downy, purple seed stain, and at least there viruses. All diseases that occur in irrigated soybeans are seed-borne ones, except rust. Thus, measuresto assure that the seed planted is relatively free of seed-borne pathogens is one means of controlling diseases. However, when pathogens such as Macrophomina phaseolina (charcoal rot) are soil-borne and have a wide host range, using seeds absolutely free of the pathogen wil not assure disease control. The control methods for seed-borne pathogens ofsoybeans are nonchemical and chemical. The nonchemical methods includeproper harvesting and storage, hand... Mostrar Tudo |
Palavras-Chave: |
Disease; EUA; Fungus; Quality; Seed; Soybean; USA. |
Thesagro: |
Bactéria; Doença; Fungo; Irrigação; Qualidade; Semente; Soja; Vírus. |
Thesaurus Nal: |
irrigation. |
Categoria do assunto: |
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Marc: |
LEADER 02425naa a2200325 a 4500 001 1454843 005 2004-10-07 008 1981 bl uuuu u00u1 u #d 100 1 $aSINCLAIR, J. B. 245 $aSeed-borne pathogens of irrigated soybeans. 260 $c1981 500 $aVer trabalho preliminar no PC 3730. 520 $aEnvironmental conditions-particulary high temperature and moisture-during seed development, at harvest time, and during storage play an important role in the establishment of microorganisms in soybean seeds. Most of the seed-borne fungal, bacterial, and viral pathogens of soybeans are located inside the seed. These disease agents can reduce seed quality. Pathogens carried in seeds are a source of primary inoculum forthe next season's crop and help distribute the pathogen into areas where it may not be established. Individual seeds in each seed populationmay vary by the type and number of microorganisms carried. Although loss to diseases generally is presumed to be less in irrigated soybeans,certain pathogens may be just as damaging as under nonirrigated cultivation. Some of the diseases reported in soybeans under irrigation are: charcoal rot, stem and root rots, pod and stem blight, downy, purple seed stain, and at least there viruses. All diseases that occur in irrigated soybeans are seed-borne ones, except rust. Thus, measuresto assure that the seed planted is relatively free of seed-borne pathogens is one means of controlling diseases. However, when pathogens such as Macrophomina phaseolina (charcoal rot) are soil-borne and have a wide host range, using seeds absolutely free of the pathogen wil not assure disease control. The control methods for seed-borne pathogens ofsoybeans are nonchemical and chemical. The nonchemical methods includeproper harvesting and storage, handling to avoid injuries, and using.. 650 $airrigation 650 $aBactéria 650 $aDoença 650 $aFungo 650 $aIrrigação 650 $aQualidade 650 $aSemente 650 $aSoja 650 $aVírus 653 $aDisease 653 $aEUA 653 $aFungus 653 $aQuality 653 $aSeed 653 $aSoybean 653 $aUSA 773 $tIn: CONFERENCE ON IRRIGATED SOYBEAN PRODUCTION IN ARID IN AND SEMI-ARID REGIONS, 1979, Cairo. Procedings. Urbana-Champaign : INTSOY/ University of Illinois, 1981. p.69-72. (INTSOY. Series, 20).
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Registro original: |
Embrapa Soja (CNPSO) |
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Registros recuperados : 6 | |
1. | | MACHADO, C. C.; SIMCOX, K. D.; SINCLAIR, J. B. Comportamento biológico de isolados de Macrophomina phaseolina. Fitopatologia Brasileira, Brasília, v. 13, n. 2. p. 131, jul. 1988. Resumo apresentado no XXI Congresso Brasileiro de Fitopatologia, Salvador, BA, jul. 1988.Tipo: Resumo em Anais de Congresso |
Biblioteca(s): Embrapa Soja. |
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3. | | MACHADO, C. C.; HARTMAN, G. L.; SINCLAIR, J. B. Efeito de práticas culturais na incidência de Macrophomina phaseolina em soja. Fitopatologia Brasileira, Brasília, v. 13, n. 2, p. 143, jul. 1988. Resumo apresentado no XXI Congresso Brasileiro de Fitopatologia, Salvado, BA, jul. 1988.Tipo: Resumo em Anais de Congresso |
Biblioteca(s): Embrapa Soja. |
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4. | | CAVANAUGH, K. J.; MACHADO, C. C.; MANANDHAR, J. B.; SINCLAIR, J. B. Disease incidence and severity, and soybean seed mycoflora in six tillage systems. Phytopathology, St. Paul, v. 75, n. 11, p. 1297, Nov. 1985. Abstracts of presentations at the Annual Meeting the American Phytopathological Society, Reno, Nevada, Aug. 1985.Tipo: Resumo em Anais de Congresso |
Biblioteca(s): Embrapa Soja. |
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6. | | KUNWAR, I. K.; SINGH, T.; MACHADO, C. C.; SINCLAIR, J. B. Histopathology of Macrophomina phaseolina in soybean seeds and seedlings. Phytopathology, St. Paul, v. 75, n. 11, p. 1303, Nov. 1985. Abstracts of presentations at the Annual Meeting the American Phytopathological Society, Reno, Nevada, Aug. 1985.Tipo: Resumo em Anais de Congresso |
Biblioteca(s): Embrapa Soja. |
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Registros recuperados : 6 | |
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Nenhum registro encontrado para a expressão de busca informada. |
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