Journal of Biological Control

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Efficacy of some adjuvants against Helicoverpa armigera on tomato when applied with NPV formulations and sprayed by two different equipments (controlled droplet applicator and backpack hydraulic sprayer) was evaluated. Results showed that H. armigera populations could be effectively controlled by the virus on tomato. The data on larval population, fruit damage, and yield indicated that adjuvants could enhance significantly the efficacy of the virus preparations and there was no significant difference between application methods.

Keywords

Adjuvants, Field Efficacy, Helicoverpa armigera, Nucleopolyhedrovirus, Sprayer and Tomato.
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