Fitopatologia Brasileira (2001) 26, 667-669

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Sueli C.M. Mello, Zilda M.A. Ribeiro, Gutemberg R. Sousa, Myrian Tigano, Glaucia De F. Nachtigal and Eliana Maria G. Fontes (2001)
Padrões isoenzimáticos e morfologia de isolados de Alternaria spp. patogênicos a Senna obtusifolia
[Isoenzyme patterns and morphology of isolates of Alternaria species pathogenic to Senna obtusifolia]
Fitopatologia Brasileira 26 (3), 667-669
Abstract: Alternaria spp. isolates pathogenic to sicklepod (Senna obtusifolia) were characterized based on morphological characteristics and isozyme patterns. Colonial morphology and conidial shape showed that 11 of the 13 isolates belong to A. cassiae. The other two isolates were identified as A. alternata. Isoenzyme patterns confirmed the results of morphological criteria. The occurrence of more than one species of this fungus infecting S. obtusifolia was found, widening the range of suitable pathogens to be evaluated in bioherbicide programs for sicklepod control.
(The abstract is excluded from the Creative Commons licence and has been copied with permission by the publisher.)
(original language: Portuguese)
Full text of article
Database assignments for author(s): Eliana M.G. Fontes, Myrian S. Tigano

Research topic(s) for pests/diseases/weeds:
biocontrol - natural enemies
Research topic(s) for beneficials or antagonists:
general biology - morphology - evolution


Pest and/or beneficial records:

Beneficial Pest/Disease/Weed Crop/Product Country Quarant.


Senna obtusifolia (weed) Brazil (south)
Alternaria cassiae (weed pathogen) Senna obtusifolia (weed) Brazil (south)