Journal of Biological Control

Open Access Open Access  Restricted Access Subscription Access

Influence of Water Quality on Efficacy of Bacillus thuringiensis (Berliner) Used as Spray Fluid


Affiliations
1 Department of Agricultural Entomology, Agricultural College and Research Institute, Killikulam 628 252, Tamil Nadu, India
 

The influence of Electrical Conductivity (EC) - based quality of water, used as spray fluid, on the bioefficacy of commercial formulations of Bacillus thuringiensis (Berliner) (B.t.) was studied in laboratory bioassays against Spodoptera litura (Fabricius) and Helicoverpa armigera (Hiibner). EC quality did not alter the efficacy of B. t. formulations significantly. However, larval mortality decreased with increase in EC.

Keywords

Bacillus thuringiensis, Bioefficacy, Helicoverpa armigera, Spodoptera litura, Water Quality.
User
Notifications

Abstract Views: 232

PDF Views: 133




  • Influence of Water Quality on Efficacy of Bacillus thuringiensis (Berliner) Used as Spray Fluid

Abstract Views: 232  |  PDF Views: 133

Authors

V. Venkadasubramanian
Department of Agricultural Entomology, Agricultural College and Research Institute, Killikulam 628 252, Tamil Nadu, India
A. Janagarajan
Department of Agricultural Entomology, Agricultural College and Research Institute, Killikulam 628 252, Tamil Nadu, India
P. M. M. David
Department of Agricultural Entomology, Agricultural College and Research Institute, Killikulam 628 252, Tamil Nadu, India

Abstract


The influence of Electrical Conductivity (EC) - based quality of water, used as spray fluid, on the bioefficacy of commercial formulations of Bacillus thuringiensis (Berliner) (B.t.) was studied in laboratory bioassays against Spodoptera litura (Fabricius) and Helicoverpa armigera (Hiibner). EC quality did not alter the efficacy of B. t. formulations significantly. However, larval mortality decreased with increase in EC.

Keywords


Bacillus thuringiensis, Bioefficacy, Helicoverpa armigera, Spodoptera litura, Water Quality.