Evaluation of New Insecticides with Bioagent for the Management of Podborer Complex of Pigeonpea
Tavaragondi Vinayaka, S. Murali
Abstract
Tavaragondi Vinayaka, S. Murali
Abstract
Evaluation of efficacy of new insecticides with bioagent revealed that the lowest pod damage by Helicoverpa was recorded in s pinosad → M. anisopliae → spinosad with 12.0%, podfly damage of 2.65% and field infestation of bruchid was 2.10% but lowest infestation of Maruca was in i ndoxacarb → M. anisopliae → indoxacarb with 0.78%. Total pod damage by podborers was the least in s pinosad → M. anisopliae → spinosad (17.62%) followed by indoxacarb →M. anisopliae →indoxacarb (22.58%) and flubendiamide→ M. anisopliae →flubendiamide (22.76%) which were at par but statistically different from other treatments. The total seed damage by podborer complex of pigeonpea also followed the trend of total pod damage. Lowest total seed damage was observed in case of spinosad→ M. anisopliae → spinosad with 16.98 per cent. Highest yield was recorded in case of spinosad → M. anisopliae→ spinosad with 13.20 q per. The lowest yield was observed in untreated control with 4.06 q ha −1 which was inferior to all other treatments.
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Evaluation of efficacy of new insecticides with bioagent revealed that the lowest pod damage by Helicoverpa was recorded in s pinosad → M. anisopliae → spinosad with 12.0%, podfly damage of 2.65% and field infestation of bruchid was 2.10% but lowest infestation of Maruca was in i ndoxacarb → M. anisopliae → indoxacarb with 0.78%. Total pod damage by podborers was the least in s pinosad → M. anisopliae → spinosad (17.62%) followed by indoxacarb →M. anisopliae →indoxacarb (22.58%) and flubendiamide→ M. anisopliae →flubendiamide (22.76%) which were at par but statistically different from other treatments. The total seed damage by podborer complex of pigeonpea also followed the trend of total pod damage. Lowest total seed damage was observed in case of spinosad→ M. anisopliae → spinosad with 16.98 per cent. Highest yield was recorded in case of spinosad → M. anisopliae→ spinosad with 13.20 q per. The lowest yield was observed in untreated control with 4.06 q ha −1 which was inferior to all other treatments.
Key concepts: Spinosad, Indoxacarb, Infestation, Toxicology, Point of delivery, Biology, Helicoverpa, Veterinary medicine