20294

Persistence of benthiocarb in soil : Influece of Ultraviolet and Sunlight

349

352

4

Persistence or benthiocarb in soil as affected by UVand sun1ight exposure was studied. Treateds it was placed in petri plat . brought to field capacitymoistureand th en exposed to and Ii iht, Residues ofberth iocarb i soil dissipatedwith halflivesof2.1 0, 11.85 and43.63 da. underUV, sunlight ndd k condition, respectively. Soil sarnp] kept under dar show the slo t disslpnti n.r the , benthi rb resid ues dissipated quicklyunderUVlight as comparedto sun Ii ht. exposure ofthin film ofbenthiocarb confirm d that it is photolabile and dissipated very lי יith ha lf life of 1.1 an 1.77 days following ~ posure to UV and unlight, respectiv Iy. The studyreveal d that UVcomponent ofsunlight is an important facto for bemhiocarbdissi pation.

1204323