Table 5.

Persistence of azoxystrobin in grape field soils (after 5th spray) at three locations with calculated half life

Location	Dose (g ai ha−1)	Residues (μg g−1)					Half-life (days)
		Days after application
		0	3	7	14	21
Karnataka	150	0.65 ± 0.05a	0.45 ± 0.06	0.29 ± 0.04	0.16 ± 0.02	ND	7.0
	300	0.88 ± 0.02	0.59 ± 0.03	0.39 ± 0.04	0.25 ± 0.01	ND	7.9
Maharashtra	150	0.55 ± 0.01	0.23 ± 0.01	0.19 ± 0.01	0.14 ± 0.02	ND	7.6
	300	0.86 ± 0.03	0.38 ± 0.03	0.26 ± 0.03	0.21 ± 0.03	ND	8.1
Tamil Nadu	150	0.59 ± 0.05	0.42 ± 0.04	0.28 ± 0.03	0.20 ± 0.01	ND	7.1
	300	0.99 ± 0.11	0.70 ± 0.03	0.45 ± 0.03	0.25 ± 0.02	ND	9.1

ND not detectable, Limit of Quantification—0.01 μg g⁻¹

^aStandard deviation