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Deightoniella torulosa (Syd.) M.B. Ellis, causing leaf spot in acclimatized Grande naine (Musa, AAA) plants Rev. Protección Veg.
Leiva-Mora,Michel; Alvarado-Capó,Yelenys; Acosta-Suárez,Mayra; Cruz-Martín,Mileidy; Roque,Berkis; Carrera,Karina.
In the present work, some features concerning the morphological and pathogenic characterization of the causal agent of the leaf spotted disease in Grande naine (Musa, AAA) cultivar were studied. Morphological characterization of conidia and conidiophores were done under a light microscope using fragments of spotted leaves. Pathogenecity tests were performed on three-month-acclimatized Grande naine plants. Conidiophores were straight or slightly curved obpyriform to obclavate and subhyaline to olive in colour. Conidia size varied from 35-70 µm in length to 13-25µm in width, with 3-6 pseudosepta. Obpyriform to ellipsoid conidia were observed in Grande naine spotted leaves. The first symptoms appeared 14 days post inoculation (dpi) as black necrotic spots...
Tipo: Journal article Palavras-chave: Banana; Pythopathogen.
Ano: 2013 URL: http://scielo.sld.cu/scielo.php?script=sci_arttext&pid=S1010-27522013000200008
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