Field evaluation of a formulation of Pseudomonas fluorescens against Culex quinquefasciatus larvae and pupae

VCRC B426, 0.09% emulsifiable concentrate (EC) formulation developed from a metabolite of Pseudomonas fluorescens was tested for efficacy against Culex quinquefasciatus larvae and pupae. At application rates of 100, 200, 300 ml/m 2, the formulation caused 100% elimination of larvae and pupae at day...

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Bibliographic Details
Published in:Acta tropica 2003-08, Vol.87 (3), p.341-343
Main Authors: Sadanandane, C., Reddy, C.M.R., Prabakaran, G., Balaraman, K.
Format: Article
Language:English
Subjects:
Animals
Bacterial Proteins
Biological and medical sciences
Culex
Culex quinquefasciatus
Culicidae
Fundamental and applied biological sciences. Psychology
India
Larva
Medically important nuisances and vectors, pests of stored products and materials: population survey and control
Metabolite
Pest Control, Biological
Pseudomonas fluorescens
Pupa
Pupicidal agent
Tropical medicine
Vectors. Intermediate hosts
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Summary:VCRC B426, 0.09% emulsifiable concentrate (EC) formulation developed from a metabolite of Pseudomonas fluorescens was tested for efficacy against Culex quinquefasciatus larvae and pupae. At application rates of 100, 200, 300 ml/m 2, the formulation caused 100% elimination of larvae and pupae at day 1 after treatments and >80% reduction in pupal density for periods of 7, 12 and 11 days in cesspits and 5, 9 and 10 days in U-shaped drains. In both the habitats, the efficacy of the formulation against pupae was 1.7 times more at 200 ml/m 2 than at 100 ml/m 2. An increase in dosage to 300 ml/m 2 did not improve the efficacy in cesspits but a marginal increase was observed in drains.
ISSN:0001-706X
1873-6254
DOI:10.1016/S0001-706X(03)00154-2