Bio-efficacy of Annona formulation for the management ofAphis gossypii on vegetable crops

Authors

  • N R Prasanna Kumar ICAR-Indian Institute of Horticultural Research, Bengaluru , Indian Institute of Horticultural Research image/svg+xml Author
  • Keshav Rao Vala ICAR-Indian Institute of Horticultural Research, Bengaluru-560089, India , Indian Institute of Horticultural Research image/svg+xml Author
  • N Jyothi ICAR-Indian Institute of Horticultural Research , Indian Institute of Horticultural Research image/svg+xml Author
  • S Saroja ICAR-Indian Institute of Horticultural Research, Bengaluru-560089, India , Indian Institute of Horticultural Research image/svg+xml Author
  • Shivarama Bhat ICAR-Indian Institute of Horticultural Research , Indian Institute of Horticultural Research image/svg+xml Author

DOI:

https://doi.org/10.24154/jhs.v20i1.2344

Keywords:

Aphids, bitter gourd, botanicals, cucumber, IPM, vegetables

Abstract

Field experiments were conducted to optimize the dose and assess the efficacy of an Annona formulation against Aphis gossypii Glover on vegetable crops such as cucumber, bitter gourd, okra and dolichos. Based on LC50 values, different doses of the Annona formulation were evaluated specifically on bitter gourd and cucumber. The dose optimization study determined that a concentration of 3.5 ml/L of water of the Annona formulation effectively managed A. gossypii under field conditions. Subsequently, the efficacy of this dosage was further evaluated in field trials against A. gossypii in comparison with other botanicals and insecticides. The Annona formulation at 3.5 ml/L of water demonstrated significant effectiveness, reducing aphid populations by 97% compared to alternative botanicals and insecticides. This study suggests that the developed Annona formulation could serve as a promising eco-friendly approach for managing aphids on vegetable crops.

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Author Biographies

  • N R Prasanna Kumar, ICAR-Indian Institute of Horticultural Research, Bengaluru, Indian Institute of Horticultural Research

    Division of Crop Protection, ICAR- Indian Institute of Horticultural Research, Bengaluru-560089, India

  • Keshav Rao Vala, ICAR-Indian Institute of Horticultural Research, Bengaluru-560089, India, Indian Institute of Horticultural Research

    Division of Basic Sciences, ICAR- Indian Institute of Horticultural Research, Bengaluru-560089, India

  • N Jyothi, ICAR-Indian Institute of Horticultural Research, Indian Institute of Horticultural Research

    Division of Crop Protection, ICAR-Indian Institute of Horticultural Research, Bengaluru-560089, India

  • S Saroja, ICAR-Indian Institute of Horticultural Research, Bengaluru-560089, India, Indian Institute of Horticultural Research

    Division of Crop Protection, ICAR- Indian Institute of Horticultural Research, Bengaluru-560089, India

  • Shivarama Bhat, ICAR-Indian Institute of Horticultural Research, Indian Institute of Horticultural Research

    Division of Crop Protection, ICAR-Indian Institute of Horticultural Research, Bengaluru-560089, India

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Published

31-08-2025

Data Availability Statement

NA

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Section

Research Papers

How to Cite

Prasanna Kumar, N. R., Vala, K. R., Jyothi, N., Saroja, S., & Bhat, S. (2025). Bio-efficacy of Annona formulation for the management ofAphis gossypii on vegetable crops. Journal of Horticultural Sciences, 20(1). https://doi.org/10.24154/jhs.v20i1.2344