“…Thiamethoxam has a high solubility in water (4.1 g/L) and the increased rainfall likely diluted the insecticide and washed it out of the root zone. Ghidiu et al (2013) also observed decreased efficacy of at-planting applications of neonicotinoids under increased rainfall conditions. In contrast, Greenberg et al (2009) demonstrated that thiamethoxam seed treatments effectively reduced thrips damage to cotton 30 days after planting.…”