Effect of Drying and Formulation of Conidia on Virulence of the Entomofungal Pathogen Nomuraea rileyi (F) Samson
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DOI:
https://doi.org/10.18311/jbc/2002/4012Keywords:
Castor, Drying, Field-Tests, Formulation, Groundnut, Nomuraea rileyi, Spodoptera litura.Abstract
Drying Nomuraea rileyi conidia along with the solid substrate in an air stream gave a virulent product that gave high mortality of Spodoptera litura larvae in a laboratory bioassay whereas drying over silica gel or calcium chloride resulted in loss of efficacy. Bioassays with oil formulations of spores dried in an air stream resulted in comparable mortality of third instar S. litura (Fabr.) larvae with that of unformulated conidia. The oil formulation with Triton-X-100 caused significant reduction of S. litura populations feeding on groundnut and castor in field experiments. Natural parasitisation levels of two larval parasitoids on S. litura were similar in the fungus treatments and untreated controls.Downloads
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Published
2002-06-09
How to Cite
Vimala Devi, P. S., Prasad, Y. G., & Chowdary, A. (2002). Effect of Drying and Formulation of Conidia on Virulence of the Entomofungal Pathogen <I>Nomuraea rileyi</I> (F) Samson. Journal of Biological Control, 16(1), 43–48. https://doi.org/10.18311/jbc/2002/4012
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