Evaluation of a wettable powder formulation for the nuclear polyhedrosis virus of Anticarsia gemmatalis (Lep.: Noctuidae)

The influence of different carriers on the physical and biological stability of Baculovirus anticarsia wettable powder formulations was studied. The formulations were obtained by mixing the purified polyhedra of B. anticarsia with a carrier and drying the suspension in a bench spray dryer. Bioassays...

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Bibliographic Details
Published in:Pesticide Science 1997-10, Vol.51 (2), p.153-156
Main Authors: Medugno, Claudia C., Ferraz, José M. G., Maia, Aline de H. N., Freitas, Cláudio C. L.
Format: Article
Language:English
Subjects:
Anticarsia gemmatalis
baculovirus
Biological and medical sciences
Biological control
biological stability
Control
formulation
Fundamental and applied biological sciences. Psychology
Phytopathology. Animal pests. Plant and forest protection
Protozoa. Invertebrates
suspensibility
wettability
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Summary:The influence of different carriers on the physical and biological stability of Baculovirus anticarsia wettable powder formulations was studied. The formulations were obtained by mixing the purified polyhedra of B. anticarsia with a carrier and drying the suspension in a bench spray dryer. Bioassays with Anticarsia gemmatalis Hübner showed that activity was maintained with the amorphous silica, attapulgite and kaolinite after a year of storage. In the presence of bentonite, activity declined 50% in the same period. All formulations, except kaolinite, maintained the physical parameters required of a good wettable powder. Kaolinite formulation showed reduction in wettability and particle agglomeration in storage. © 1997 SCI
ISSN:0031-613X
1526-498X
1096-9063
DOI:10.1002/(SICI)1096-9063(199710)51:2<153::AID-PS615>3.0.CO;2-2