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AFLP markers differentiate isolates of Colletotrichum gossypii from C. gossypii var. cephalosporioides Trop. Plant Pathol.
Silva-Mann,Renata; Vieira,Maria G. G. Carvalho; Machado,José C.; Bernardino Filho,José Roberto; Salgado,Kalinka C. C.; Stevens,Mikel R..
Fungal diseases in cotton (Gossypium hirsutum), such as anthracnose caused by Colletotrichum gossypii and ramulose caused by C. gossypii var. cephalosporioides, are responsible for large yield losses. These pathogens are seed borne and morphologically similar although they induce different symptoms, which can lead to misdiagnosis using the blotter testing method. The present study was carried out to assess the viability of using Amplified Fragment Length Polymorphism (AFLP) markers to differentiate these pathogens. Five isolates, for each pathogen, were classified according to pathogenicity on cotton plants, and mycelial growth morphology. Conidial suspensions were sprayed on 30-day-old cotton plants and the symptoms assessed ten and 40 days after...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Molecular markers; Anthracnose; Ramulose; Cotton diseases; Seed borne pathogens.
Ano: 2005 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-41582005000200011
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