Mycologia
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DOI: 10.3852/mycologia.97.6.1195
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Mycologia, 97(6), 2005, pp. 1195-1200.
© 2005 by The Mycological Society of America

Establishment of the fungal entomopathogen Beauveria bassiana (Ascomycota: Hypocreales) as an endophyte in cocoa seedlings (Theobroma cacao)


Francisco Posada
Fernando E. Vega 1

     Insect Biocontrol Laboratory, U.S. Department of Agriculture, Agricultural Research Service, Bldg. 011A, BARC-W, Beltsville, Maryland 20705

The fungal entomopathogen Beauveria bassiana became established as an endophyte in in vitro-grown cocoa seedlings tested for up to 2 mo after inoculation to the radicle with B. bassiana suspensions. The fungus was recovered in culture from stems, leaves and roots. B. bassiana also was detected as an epiphyte 1 and 2 mo postinoculation. Penicillium oxalicum and five bacterial morphospecies also were detected, indicating that these were present as endophytes in the seed.

Key words: biological control, cacao, cocoa pod borer, Conopomorpha, entomopathogens, insect pathogens

1 Corresponding author. E-mail: vegaf{at}ba.ars.usda.gov






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Copyright © 2005 by The Mycological Society of America.