Preliminary aquatic risk assessment of imidacloprid after application in an experimental rice plot.

The potential aquatic risk of application of the neonicotinoid insecticide imidacloprid for aphid control in rice was assessed. To this end, imidacloprid was applied as Confidor(®) 200 SC at the recommended field dose of 100g a.i.

Integrated approach for the quality assessment of freshwater resources in a vineyard area (South Portugal).

An integrated chemical and biological approach for the quality assessment of freshwater resources in a vineyard area of the 'Alentejo' region (South Portugal) is presented. This includes analysis to 11 pesticide compounds and whole toxicity testing on algae and crustaceans. Simazine, terbuthylazine, terbutryn, desethylatrazine and chlorpyrifos were the most frequently detected pesticides in water collected from wells and drainage channels.