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Incidence of Major Insect Pests of Okra and Their Management

Author

Listed:
  • Jannatul Ferdus

    (Sector Specialist, Climate Change Program, BRAC,75 Mohakhali, Dhaka 1212, Bangladesh.)

  • Munshi Mohammad Kutub Uddin

    (Sector Specialist, Climate Change Program, BRAC,75 Mohakhali, Dhaka 1212, Bangladesh.)

  • Mahbub Talulkder

    (PhD Student, Department of Agronomy, Patuakhali Science and Technology University, Bangladesh.)

  • Tariqul Islam

    (MS, Student, Department of Genetics and Plant Breeding, Patuakhali Science and Technology University, Bangladesh.)

  • Mahedhi Hasan Milton

    (PhD Student, Department of Entomology, Patuakhali Science and Technology University, Bangladesh.)

Abstract

Okra is a nutritive vegetable grow in southern Asian country. In Bangladesh okra is harvest at summer season. But production is hampered by the attacked of insect pest in flowering to harvest periods. The experiment consists of eight treatments such as T1= Actara 25 WG @ 1g/Litre of water sprayed; T2= Neem oil @3ml/Litre of water mixed with 10ml of trix liquid sprayed; T3= Water based neem seed kernel extract @ 5g/Litre of water sprayed; T4= Bioneem plus 1.0EC @ 1ml/Litre of water sprayed; T5= Ostad 10 EC @ 2ml/Litre of water sprayed; T6= Sevin 85 WP @ 1.2g/ Litre of water sprayed; T7= Marshal 100EC @ 1.5ml/ Litre of water sprayed; T8=Untreated control. The result indicates that Actara 25 WG (T1) treatment decreased the incidence of insect pests of okra compared to other treatments.In T1 treatment. In case of leaf infestation, the lowest percent leaf infestation was caused by whitefly (47.92%), jassid (47.35%) in T1 treatment. Beside this, natural enemies also observed in the research field such as, the highest lady bird beetle (5.33), staphylinid beetle (5.00), spider (4.67), ant (3.67), ground beetle (3.00) were recorded in T8 treatment and the lowest lady bird beetle (1.00), staphylinid beetle (1.00), spider (1.00), ant (1.00), ground beetle (1.33) were recorded in T1 treatment during the study period . The highest okra yield (3.86 ton/ha) was produced in T1 treatment. These findings illustrated that, the actara 25 WG (T1) treatment was more effective for the reduction of incidence of major insect pests of okra.

Suggested Citation

  • Jannatul Ferdus & Munshi Mohammad Kutub Uddin & Mahbub Talulkder & Tariqul Islam & Mahedhi Hasan Milton, 2025. "Incidence of Major Insect Pests of Okra and Their Management," International Journal of Research and Innovation in Applied Science, International Journal of Research and Innovation in Applied Science (IJRIAS), vol. 10(8), pages 2127-2143, August.
    • Handle: RePEc:bjf:journl:v:10:y:2025:i:8:p:2127-2143
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