Influence of Phytosanitary Practices in Tunisian Vineyards on the Presence of Pesticide Residues in Winegrapes

Supplemental Questionnaire  Translated from Arabic to English.

Supplemental Table 1  Results of the questionnaire for the 41 and 43 grapegrowers surveyed during both growing seasons. PHI, preharvest interval.

Supplemental Table 2  Analyses of active substances and pesticide residues researched. LC-MS/MS and GC-MC/MS, liquid chromatography and gas chromatography, respectively, coupled to a tandem mass spectrometer.

Supplemental Table 3  Number of detected and noncompliant pesticide residues in each of the 108 winegrape samples (53 and 55) collected from both growing seasons. EU, European Union.

• SupplementalData.pdf