Persistence of pirimicarb in peaches and nectarines.
Cabras P. | Melis M. | Cabitza F. | Cubeddu M. | Spanedda L.
The fate of pirimicarb residue on field and greenhouse peaches and nectarines was studied. Pirimicarb showed similar behaviors in both fruits. The decrease in residue during the course of the experiment was mainly due to the dilution effect caused by fruit growth. In the greenhouse the active ingredient (ai) was stable, while in the field it was degraded moderately. Pirimicarb metabolites, which are usually formed from ai degradation in plants, were never found during the experiment. The data from a laboratory test to evaluate the influence of volatilization and photodegradation on pirimicarb would indicate that pirimicarb loss cannot be ascribed to volatilization.
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