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

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Interactive effects of temperature and CO2 on efficacy of insecticides against Spodoptera litura Fab. in a global warming context
Phytoparasitica ( IF 1.5 ) Pub Date : 2021-01-07 , DOI: 10.1007/s12600-020-00854-z
M. Srinivasa Rao , P. Sreelakshmi , K. Deekshita , M. Vanaja , I. Srinivas , M. Maheswari , K. Srinivas , K. Sammi Reddy , S. Bhaskar , G. Ravindra Chary

Influence of two dimensions of climate change i.e., elevated temperature ( e Temp) and elevated CO 2 ( e CO 2 ) on toxicity of insecticides against Spodoptera litura Fab. on peanut using CO 2 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 e Temp and e CO 2 . The twelve set conditions comprising of reference (28 ± 0.5 °C; 380 ppm), eTemp (29, 30, 31, 32, 34 ± 0.5 o C with 380 ppm CO 2 ), e CO 2 (28 ± 0.5 o C; 550 ppm) and eTemp+ e CO 2 (29, 30, 31, 32, 34 ± 0.5 o c with 550 ppm CO 2 ) were maintained in CTGC. Interactive effects of e CO 2 and e Temp caused the higher LC 50 values of spinosad and deltamethrin with negative temperature coefficients and showed the ‘reduction of toxicity’. Lower LC 50 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 e CO 2 and e Temp. The order in PT of insecticides was deltamethrin

中文翻译：

温度和 CO2 对杀虫剂对斜纹夜蛾 Fab 效力的交互作用。在全球变暖的背景下

气候变化的两个维度，即升高的温度 (e Temp) 和升高的 CO 2 (e CO 2 ) 对杀虫剂对斜纹夜蛾 Fab 的毒性的影响。使用 CO 2 温度梯度室 (CTGC) 设备对花生进行了研究。杀虫剂即。在 e Temp 和 e CO 2 下测试了二酰胺（氟虫双酰胺）、阿维菌素（emamectin benzoate）、有机磷酸酯（quinalphos）、多杀菌素（spinosad）和合成拟除虫菊酯（溴氰菊酯）的功效和持久毒性（PT）。十二组条件包括参考 (28 ± 0.5 °C; 380 ppm), eTemp (29, 30, 31, 32, 34 ± 0.5 o C with 380 ppm CO 2 ), e CO 2 (28 ± 0.5 o C; 550 ppm) 和 eTemp+ e CO 2 (29, 30, 31, 32, 34 ± 0.5 oc，含 550 ppm CO 2 ) 保持在 CTGC 中。e CO 2 和e Temp 的交互作用导致多杀菌素和溴氰菊酯的LC 50 值较高，温度系数为负，并显示出“毒性降低”。记录了氟虫双酰胺 (6.67)、甲维菌素苯甲酸酯 (7.38) 和喹硫磷 (3.04) 的较低 LC 50 值和正温度系数，表明在相互作用的 e CO 2 和 e 温度下具有“更高的毒性”。杀虫剂PT中的顺序是溴氰菊酯

更新日期：2021-01-07

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