DISAPPEARANCE OF AZOXYSTROBIN, CYPRODINIL, FLUDIOXONIL, FENHEXAMID AND MYCLOBUTANIL IN STRAWBERRY FRUITS UNDER FIELD CONDITIONS
2009
A field experiment was carried out at Nubariah region Alexandria desert road located at 120 Km from Cairo, (Egypt) during 2005-2006 to study the degradation rates of five fungicides azoxystrobin, cyprodinil, fludioxonil, fenhexamid, and myclobu-tanil in strawberry fruits after application with their recommended rates under field conditions. The samples were collected in successive intervals after spraying and transported to Bioforsk refer-ence Lab, Ǻs, Norway for analysis by GC/MS. The fungicide residues on strawberry showed different degradation rates after treatment, with first-order kinetics. Half-lives (t0.5) were 1.92, 4.99, 3.68, 6.02 and 5.17 days for azoxystrobin, cyprodinil, fludioxonil, fenhexamid and myclobutanil, respectively.
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