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Fungitoxic activity avaliation of the hexane and methanol extracts of copaiba plant leavesCopaifera langsdorffi Desfon Ciência e Agrotecnologia
Amorim,Ana Carolina Lourenço; Cardoso,Maria das Graças; Pinto,José Eduardo Brasil Pereira; Souza,Paulo Estevão de; Delú Filho,Nelson.
The fungitoxicity of hexane and methanol extracts of copaiba plants were evaluated by biological tests against the phytopathogens Colletotrichum gloeosporioides and Bipolaris sorokiniana. These extracts were chosen because they presented the highest yields in the extraction at room temperature. The biological material was obtained from the Department of Phytopathology of the UFLA, transplanted in BDA (C. gloeosporioides) and PCA (B. sorokiniana) culture media and incubated in a germination chamber with control of light and temperature. Five treatments (0/100/200/400/800 ppm) were used with three repetitions of each, and four mutually perpendicular radii, were measured in centimeters from the mycelial center. The formula for the Mycelial Growth Index (MGI)...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Copaiba plants; Colletotrichum gloeosporioides; Bipolaris sorokiniana; Biological control.
Ano: 2004 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-70542004000200010
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