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Doencas da mandioca e seu controle

By: Contributor(s): Material type: ArticleArticleLanguage: Portuguese Description: 5(59/60):70-78Subject(s): LOC classification:
  • 12178
 In: Informe AgropecuarioSummary: Se analiza la sintomatologia y el control de las principales enfermedades de la yuca causadas por : 1) bacterias: CBB (Xanthomonas manihotis); 2) hongos: antracnosis (Glomerella manihotis), ceniza de la yuca (Oidium manihotis), mancha parda de la hoja (Cercosporidium henningsii), anublo pardo fungoso (Cercospora vicosae), roya (Uromyces spp.), mancha de los anillos circulares (Phoma spp., Phyllosticta spp.), pudriciones del tallo (Glomerella y Botryodiplodia spp.), pudriciones radicales (Phytophthora drechsleri, Rosellinia necatrix, Corticium (= Sclerotium) rolfsii, Fusarium, Rhizoctonia, Aspergillus spp.) 3) microplasmas: superbrotamiento. 4) virus: mosaicos de las nervaduras, comun, africano y estriado vascular. Se tratan ademas los nematodos del nudo radical (Meloidogyne incognita, M. javanica, M. arenaria, M. hapla) y los nematodos causantes de lesiones radicales (Pratylenchus branchyurus). Se presenta en detalle la epidemiologia, la diseminacion, la supervivencia de la bacteria y las condiciones favorables a la infeccion por CBB. (CIAT)Summary: An analysis is made of the symptomatology and the control of the main cassava diseases caused by: (1) bacteria: CBB (Xanthomonas manihotis); (2) fungi: anthracnose (Glomerella manihotis). cassava ash (Oidium manihotis), brown leaf spot (Cercosporidium henningsii), blight leaf spot (Cercospora vicosae), rust (Uromyces spp.). concentric-ring leaf spot (Phoma spp., Phyllosticta spp.), stem rot (Glomerella and Botryodiplodia spp.), root rot [Phytopthora drechsleri, Rosellinia necatrix, Corticium (= Sclerotium) rolfsii, Fusarium, Rhizoctonia, Aspergillus spp.]; (3) mycoplasma: witches'-broom; (4) viruses: leaf vein mosaic, common mosaic, African mosaic and vascular streaking. Root knot nematodes (Meloidogyne incognita, M. javanica, M. arenaria, M. hapla) and lesion nematodes (Pratylenchus brachyurus) are also discussed. The epidemiology, dissemination, bacterial survival and favorable conditions for CBB infection are discussed in detail. (CIAT)
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Journal Article Journal Article CIAT Library Document collection CINFOS Document Collection CINFOS 12178 (Browse shelf(Opens below)) c.1 Short Loan 100052145
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Se analiza la sintomatologia y el control de las principales enfermedades de la yuca causadas por : 1) bacterias: CBB (Xanthomonas manihotis); 2) hongos: antracnosis (Glomerella manihotis), ceniza de la yuca (Oidium manihotis), mancha parda de la hoja (Cercosporidium henningsii), anublo pardo fungoso (Cercospora vicosae), roya (Uromyces spp.), mancha de los anillos circulares (Phoma spp., Phyllosticta spp.), pudriciones del tallo (Glomerella y Botryodiplodia spp.), pudriciones radicales (Phytophthora drechsleri, Rosellinia necatrix, Corticium (= Sclerotium) rolfsii, Fusarium, Rhizoctonia, Aspergillus spp.) 3) microplasmas: superbrotamiento. 4) virus: mosaicos de las nervaduras, comun, africano y estriado vascular. Se tratan ademas los nematodos del nudo radical (Meloidogyne incognita, M. javanica, M. arenaria, M. hapla) y los nematodos causantes de lesiones radicales (Pratylenchus branchyurus). Se presenta en detalle la epidemiologia, la diseminacion, la supervivencia de la bacteria y las condiciones favorables a la infeccion por CBB. (CIAT) spa

An analysis is made of the symptomatology and the control of the main cassava diseases caused by: (1) bacteria: CBB (Xanthomonas manihotis); (2) fungi: anthracnose (Glomerella manihotis). cassava ash (Oidium manihotis), brown leaf spot (Cercosporidium henningsii), blight leaf spot (Cercospora vicosae), rust (Uromyces spp.). concentric-ring leaf spot (Phoma spp., Phyllosticta spp.), stem rot (Glomerella and Botryodiplodia spp.), root rot [Phytopthora drechsleri, Rosellinia necatrix, Corticium (= Sclerotium) rolfsii, Fusarium, Rhizoctonia, Aspergillus spp.]; (3) mycoplasma: witches'-broom; (4) viruses: leaf vein mosaic, common mosaic, African mosaic and vascular streaking. Root knot nematodes (Meloidogyne incognita, M. javanica, M. arenaria, M. hapla) and lesion nematodes (Pratylenchus brachyurus) are also discussed. The epidemiology, dissemination, bacterial survival and favorable conditions for CBB infection are discussed in detail. (CIAT) eng

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