The Field Efficacy of Newer Insecticide Molecules against Major Pod Borers of Black Gram


Affiliations

  • Agriculture College and Research Institute, Department of Agriculture Entomology, Madurai, Tamil Nadu, 625 104, India
  • Tamil Nadu Agricultural University, Department of Plant Pathology, Coimbatore, Tamil Nadu, 641 003, India
  • Regional Research Station, Aruppukkottai, Tamil Nadu, 626 101, India

Abstract

The purpose of this study is to observe newer insecticide molecules against pod borer complex such as Maruca vitrata, Euchrysops cnejus. Field experiments were conducted during 2017-2018 to study black gram under rainfed condition 6.20. Flubendiamide 480 SC recorded the lowest larval population of Maruca vitrata (2.40 larvae/plant) under field condition followed by thiodicarb (3.33 larvae/plant) whereas untreated check recorded (9.04 larvae/plant). Among the newer insecticide molecules, lowest gram blue butterfly larval population was recorded in thiodicarb 75 % WP (1.64 larvae/ plant) followed by flubendiamide 480 (1.83). The standard check registered (11.75). Lowest Maruca vitrata pod damage was recorded in flubendiamide 480 SC (5.25 %) followed by thodicarb 75 % WP (5.55 %). Thiodicarb 75% recorded lowest percentage (3.8) of Euchrysops cnejus pod damage among newer insecticides molecules.

Keywords

Black Gram, Euchrysops cnejus, Maruca vitrata, Newer Insecticide Molecules

Subject Discipline

Agricultural Entomology

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