Journal of Invertebrate Pathology (1979) 33, 106-107

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Bernhard Zelazny (1979)
Virulence of the baculovirus of Oryctes rhinoceros from ten locations in the Philippines and in Western Samoa
Journal of Invertebrate Pathology 33 (1), 106-107
Abstract: The LD50 concentrations of 6 isolates of the baculovirus of Oryctes rhinoceros from the Philippines and 4 isolates from Samoa were determined under laboratory conditions in Samoa with mass-reared O. rhinoceros larvae. Per isolate the tests were replicated 3 to 11 times. The LD50 concentrations ranged from 3 to 22 ppm of ground-up freshly virus-killed larvae in the rearing media. Two isolates from the Philippines (Leyte Island) performed significantly better than several isolates from Samoa and from other parts of the Philippines. Some of the Philippine virus isolates caused an unusual brown colour in older 3rd instar larvae before death. This was not observed with Samoan virus isolates.
(The abstract has been supplied by the author or ISPI and is excluded from the Creative Commons licence.)
(original language: English)
Link to article at publishers website
Database assignments for author(s): Bernhard Zelazny

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.


Oryctes rhinoceros Samoa
Oryctes rhinoceros nudivirus (entomopathogen) Oryctes rhinoceros Philippines
Oryctes rhinoceros nudivirus (entomopathogen) Oryctes rhinoceros Samoa