Survey and Management of Major Insect Pests of Summer Paddy

Authors

  • Veda Murthy Department of Agricultural Entomology, College of Agriculture, Raichur 584104, Karnataka
  • Basavaraj Kalmath Department of Agricultural Entomology, College of Agriculture, Raichur 584104, Karnataka
  • Prabhuraj Aralimarad Pesticide Residue and Food Quality Analysis Laboratory, UAS, Raichur 584104, Karnataka
  • Vikas Kulkarni AICRP on Sunflower, MARS, Raichur 584104, Karnataka
  • Rachappa Haveri Department of Agricultural Entomology, College of Agriculture, Kalaburagi 585104, Karnataka

DOI:

https://doi.org/10.55446/IJE.2024.1758

Keywords:

Scirpophaga incertulas, Nilaparvata lugens, Nephotettix nigropictus, Orseolia oryzae, Cnaphalocrocis medinalis, summer paddy, Bacillus thuringiensis, bioagents, roving survey, Metarhizium anisopliae, botanicals, bioefficacy, biopesticides, Beauveria bassiana, Lecanicillium lecanii

Abstract

Roving survey was conducted for the major insect pests of summer paddy in north eastern zone of Karnataka. At vegetative stage, the incidence of yellow stem borer Scirpophaga incertulas (Walker) was highest in Vijayanagar district (2.38%), whereas, the occurrence of brown planthopper Nilaparvata lugens (Stal) (1.61/hill), green leafhopper Nephotettix nigropictus (Stål) (1.66/ hill) and rice gall fly Orseolia oryzae (Wood-Mason) (6.10%) was maximum in Koppal. The incidence of rice leaf folder, Cnaphalocrocis medinalis (Guenee) (1.33%) was highest in Raichur. All the five insects pest of summer paddy surveyed were abudant in Koppal at reproductive stage. The efficacy of bioagents was evaluated. Bacillus thuringiensis (Berliner) formulations. Dipel was effective with least S. incertulas (1.93%) and C. medinalis damage (1.72%) whereas, azadirachtin and Dipel recorded the lowest S. incertulas (2.64% and 2.72%) and C. medinalis (1.67% and 1.71%), respectively. Similarly, azadirachtin and Metarhizium anisopliae recorded lowest N. lugens (1.90 hoppers/ hill) and N. nigropictus (0.70 hoppers/ hill) after three sprays at 15 days interval.

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Published

2024-05-08

How to Cite

Murthy, V., Kalmath, B., Aralimarad, P., Kulkarni, V., & Haveri, R. (2024). Survey and Management of Major Insect Pests of Summer Paddy. Indian Journal of Entomology, 1–7. https://doi.org/10.55446/IJE.2024.1758

Issue

Online First

Section

Research Articles
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Europe PMC

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