Prothiofos and some of its degradation products have been synthesized in our laboratory for investigation purposes. The residual fate of 14 C-ethyl prothiofos in different parts of potato plant was studied. The highest level of insecticide residues was detected in and on the leaves of potato plants. The residues of prothiofos insecticide were mainly located in the peels of potato tubers (peeling process removed 85% of the total residue after one month ...
