Field assessment of integrated management BT cotton pests was carried out in two consecutive seasons; 2016/2017 and 2017/2018 the experimental research farm Kassala University, Sudan. Four insecticides (imidacloprid, abamectin, profenofos, lufenuron) from different chemical groups with a mode action three levels (43.81 kgha-1, 87.62 131.43 kgha-1) soil-applied nitrogen were tested IPM package. ...

Results of previous laboratory studies suggest that high population density often buffers the effects of chemical stressors that predominately increase mortality. Mortality stressors act to release more resources for the survivors and, therefore, produce less-than-additive effects. By contrast, growth stressors are expected to have opposite results or more-than-additive effects. We investigated...

Results of laboratory experiments are reported that tested the effects of five chitin synthesis inhibitors, diflubenzuron, cyromazine, lufenuron, hexaflumuron and triflumuron. on second instars of the Colorado potato beetle, Leptinotarsa decemlineata (Say) (Coleoptera: Crysomelidae), originally collected from potato fields of Bostanabaad, a town 66 km southeast of Tabriz, Iran. In bioassays, th...

Abstract Background The fall armyworm, Spodoptera frugiperda , is a destructive moth pest. It highly migratory and was first detected in Southeast Asia 2018, rapidly becoming major pest of corn production this region. Monitoring the susceptibility S. populations important for efficient insecticide resistance management. Because high mobility pest, information-sharing levels among neighboring co...

To date, few studies have evaluated chitin synthesis inhibitors against bed bugs, although they would provide an alternative mode of action to circumvent insecticide resistance. Acute and sublethal effects of lufenuron were evaluated against two strains of the common bed bug. Combined acute and sublethal effects were used to calculate effective doses. The dose that was effective against 50% of ...

Nonthermal air plasma, which can be generated by discharge, contains large amounts of reactive oxygen species (ROS), nitrogen (RNS) and high-energy particles. The ROS RNS have strong oxidizing properties, the particles break chemical bonds in organic compounds, a process used to degrade matter such as pesticides. In present study, effects nonthermal plasma on degradation several pesticides were...