Pesticide Exposure and Health Risk Assessment in Rice Ecosystems in China
Currently, one of the most used insecticides for rice crops in China is pymetrozine {4, 5-dihydro-6-methyl-4-[(3-pyridylmethylene)-amino]-1, 2, 4-triazine-3(2H)-one}. Pymetrozine has recently replaced toxic organophosphate pesticides in China. Because of its relatively recent introduction, there are limited studies on the behaviour of pymetrozine in the environment. There has been virtually no…