Pseudomonas fluorescens and Beauveria basianna were evaluated in cotton growing season against the common bollworms that infested cotton, pink bollworm, Pectinophora gossypiella and the spiny bollworm, Earias vitella. Reduction in the infestation and larval content was determined after three successive sprays with 15 days interval. The indirect effect of Pseudomonas fluorescens on seed cotton yield was considered and compared with the untreated check. Results of the present study revealed that the foliar application of P. fluorescens and Beauveria basianna treatment exhibited the greatest reduction in bollworms infestation. Soil and Foliar application of P. fluorescens, was recorded with the highest amount of seed cotton yield.
How to cite this article:
Manjula T. R., Kannan G .S. and Sivasubramanian P. 2018. Field evaluation of Pseudomonas fluorescens against the pink bollworm, Pectinophora gossypiella and the spiny bollworm, Eariasvitella. Journal of Biopesticides, 11(1): 25-29.
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