2005
DOI: 10.1590/s0100-41582005000100015
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Phytophthora nicotianae: agente etiológico da gomose da acácia-negra no Brasil

Abstract: (Aceito para publicação em 31/08/2004) Autor para correspondência: Álvaro F. dos Santos RESUMOA gomose, causada por Phytophthora sp., é a mais importante enfermidade da acácia-negra (Acacia mearnsii) no Rio Grande do Sul, Brasil. A identificação específica permanecia indeterminada. Procurou-se, então, identificar a espécie de Phytophthora causadora desta doença no Rio Grande do Sul, usando características fisiomorfológicas e estudos moleculares baseados no seqüenciamento das regiões de Internal Transcribed … Show more

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Cited by 14 publications
(16 citation statements)
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“…), it causes a disease called gummosis. It was reported in 1971 in South Africa (Zeiljemaker 1971) and in 2005 in Brazil (Santos et al (2005). In Brazil, gummosis of black wattle is also caused by P. boehmeriae Sawada (Santos et al, 2006) and P. frigida Maseko, Coutinho & Wingfield (Alves at al., 2016).…”
Section: Overviewmentioning
confidence: 99%
See 1 more Smart Citation
“…), it causes a disease called gummosis. It was reported in 1971 in South Africa (Zeiljemaker 1971) and in 2005 in Brazil (Santos et al (2005). In Brazil, gummosis of black wattle is also caused by P. boehmeriae Sawada (Santos et al, 2006) and P. frigida Maseko, Coutinho & Wingfield (Alves at al., 2016).…”
Section: Overviewmentioning
confidence: 99%
“…Oospores measure 23-38 µm in diameter (average: 29 µm). The antheridia are amphygynous ( Fig.3) (Santos et al, 2005). …”
Section: Overviewmentioning
confidence: 99%
“…In black wattle (Acacia mearnsii De Wild. ), P. boehmeriae has been reported in South Africa (Roux and Wingfield 1997) and Brazil (Santos et al 2006), thus becoming one of the causal agents of the disease known as gummosis, along with P. nicotianae (Santos et al 2005), P. frigida (Alves et al 2016) and P. meadii McRae (Roux and Wingfield 1997). Gummosis is the main disease of black wattle in Brazil (Santos et al, 2005) and South Africa (Roux and Wingfield 1997).…”
Section: Overviewmentioning
confidence: 99%
“…The etiology was resolved only recently, with the causal agents identified as Phytophthora nicotianae (Santos et al 2005), P. boehmeriae (Santos et al 2006) and P. frigida (Alves et al 2016). In South Africa, this disease has been reported in black wattle by Zeiljemaker (1971) associated with P. nicotianae and by Roux and Wingfield (1997) associated with P. boehmeriae and P. meadii.…”
Section: Disease Historymentioning
confidence: 99%
“…Embora a gomose seja uma enfermidade que já ocorra nas plantações brasileiras de acácia-negra há mais de quarenta anos (Santos et al, 2005), desconhecia-se a sua origem etiológica, a qual somente recentemente foi esclarecida, tendo como agentes causais Phytophthora nicotianae Breda de Haan (=Phytophthora parasitica Dastur) (Santos et al, 2005) e P. boehmeriae Sawada (Santos et al, 2004). Essa doença já havia sido assinalada como importante problema nas regiões produtoras de acácia-negra da África do Sul (Roux & Wingfield, 1997).…”
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