Journal of Applied Entomology - Zeitschrift für angewandte Entomologie (1997) 121, 539-543

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J.E.M. Almeida, S.B. Alves and R.M. Pereira (1997)
Selection of Beauveria spp. isolates for control of the termite Heterotermes tenuis (Hagen, 1858)
Journal of Applied Entomology - Zeitschrift für angewandte Entomologie 121 (9-10), 539-543
Abstract: Heterotermes tenuis is an important pest of sugarcane in Brazil, where alternative control methods are necessary due to cancellations of chemical pesticide registrations. Experiments were conducted to determine the pathogenicity, virulence and mass production yields of Beauveria spp. isolates as potential microbial control candidates of H. tenuis. Results demonstrated that the average virulence of the B. brongniartii isolates was comparable th that of B. bassiana isolates. Isolates obtained form soil were as effective as microbial control agents as those obtained directly from insect hosts. However no soil isolates of B. brongniartii were among the best isolates selected, which included two of the three termite isolates tested. Spore production on the termite cadavers did not correlate with the production on artificial media. The most productive isolate on cadavers was 21% more productive than the second best isolate and was also a good conidial producer on artificial media with only 25% lower conidia yield than the best producer. High conidial production on cadavers is a desirable characteristic to facilitate transmission of the desease in the nest.
(The abstract is excluded from the Creative Commons licence and has been copied with permission by the publisher.)
Link to article at publishers website
Database assignments for author(s): Roberto M. Pereira, José Eduardo Marcondes de Almeida, Sérgio Batista Alves

Research topic(s) for pests/diseases/weeds:
biocontrol - natural enemies
Research topic(s) for beneficials or antagonists:
evaluation - screening - selection

Pest and/or beneficial records:

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


Heterotermes tenuis Sugarcane (Saccharum officinarum)
Beauveria bassiana (entomopathogen) Heterotermes tenuis
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