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Interactive effects of temperature and CO2 on efficacy of insecticides against Spodoptera litura Fab. in a global warming context.

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Title Interactive effects of temperature and CO2 on efficacy of insecticides against Spodoptera litura Fab. in a global warming context.
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Creator Srinivasa Rao M., Sreelakshmi P., Deekshita K., Vanaja M., Srinivas I., Maheswari M., Srinivas K., Sammi Reddy K., Bhaskar S. and Ravindra Chary G
 
Subject flubendiamide , emamectin benzoate and quinalphos
 
Description Not Available
Influence of two dimensions of climate change i.e., elevated temperature (eTemp) and elevated CO2 (eCO2) on toxicity of insecticides against Spodoptera litura Fab. on peanut using CO2 Temperature Gradient Chambers (CTGC) facility was investigated. The insecticides viz., diamides (flubendiamide), avermectins (emamectin benzoate), organophosphates (quinalphos), spinosyns (spinosad) and synthetic pyrethroids (deltamethrin) were tested for their efficacy and persistence toxicity (PT) at eTemp and eCO2. The twelve set conditions comprising of reference (28 ± 0.5 °C; 380 ppm), eTemp (29, 30, 31, 32, 34 ± 0.5 oC with 380 ppm CO2), eCO2 (28 ± 0.5 oC; 550 ppm) and eTemp+eCO2 (29, 30, 31, 32, 34 ± 0.5 oc with 550 ppm CO2) were maintained in CTGC. Interactive effects of eCO2 and eTemp caused the higher LC50 values of spinosad and deltamethrin with negative temperature coefficients and showed the ‘reduction of toxicity’. Lower LC50 values and positive temperature coefficients for flubendiamide (6.67), emamectin benzoate (7.38) and quinalphos (3.04) were recorded, indicating the ‘higher toxicity’ at interactive eCO2 and eTemp. The order in PT of insecticides was deltamethrin
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Date 2023-02-14T03:48:59Z
2023-02-14T03:48:59Z
2020-03-01
 
Type Research Paper
 
Identifier Not Available
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http://krishi.icar.gov.in/jspui/handle/123456789/76170
 
Language English
 
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Publisher Not Available