Toxicology International (Formerly Indian Journal of Toxicology)

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


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

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

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Authors

K. Selvam
Department of Agriculture Entomology, Agriculture College and Research Institute, Madurai – 625 104, Tamil Nadu, India
N. Shiva
Department of Plant Pathology, Tamil Nadu Agricultural University, Coimbatore – 641 003, Tamil Nadu, India
K. R. Manikandan
Department of Agriculture Entomology, Agriculture College and Research Institute, Madurai – 625 104, Tamil Nadu, India
D. S. Rajavel
Regional Research Station, Aruppukkottai – 626 101, Tamil Nadu, 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.

References





DOI: https://doi.org/10.18311/ti%2F2020%2Fv27i1%262%2F23938