Table 3. Fertility of onion flies treated by selected IGRs.

IGRs	Timea	Dose (mg kg−1)				F	df	p
		Control	100	500	1000
Lufenuron	5	98.57 ± 2.99a	36.99 ± 4.07b	23.85 ± 2.90c	13.09 ± 4.36d	762.228	(3, 24)	<0.01
	10	95.71 ± 4.60a	37.66 ± 4.73b	31.47 ± 5.28c	16.19 ± 2.61d	553.649	(3, 24)	<0.01
	15	95.71 ± 5.92a	59.28 ± 4.60b	43.33 ± 3.73c	27.61 ± 2.33d	307.798	(3, 24)	<0.01
	20	83.57 ± 3.61a	77.57 ± 6.05a	64.85 ± 6.55b	38.57 ± 3.61c	89.835	(3, 24)	<0.01
	25	85.14 ± 3.07a	85.42 ± 2.35a	80.47 ± 8.23a	60.57 ± 2.71b	42.184	(3, 24)	<0.01
	30	82.47 ± 5.10a	82.80 ± 5.33a	84.42 ± 2.21a	81.61 ± 10.20a	0.246	(3, 24)	0.864
Pyriproxyfen	5	92.19 ± 4.69a	93.66 ± 5.06a	93.85 ± 5.79a	90.47 ± 4.16a	0.664	(3, 24)	0.582
	10	85.00 ± 6.31a	88.90 ± 3.35a	85.00 ± 9.36a	84.14 ± 7.00a	0.654	(3, 24)	0.588
	15	91.42 ± 3.90a	87.47 ± 6.54a	86.14 ± 6.00a	86.76 ± 6.44a	1.153	(3, 24)	0.348
	20	86.90 ± 6.70a	81.47 ± 8.26a	85.66 ± 6.75a	86.00 ± 8.76a	0.669	(3, 24)	0.579
	25	90.00 ± 5.09a	83.85 ± 9.49a	86.76 ± 6.31a	88.57 ± 7.02a	0.885	(3, 24)	0.463
	30	87.14 ± 8.70a	83.80 ± 8.03a	80.95 ± 8.97a	86.66 ± 8.61a	0.757	(3, 24)	0.529
Cyromazine	5	90.47 ± 7.86a	82.33 ± 8.54a	31.85 ± 9.06b	9.76 ± 8.52c	148.406	(3, 24)	<0.01
	10	92.85 ± 6.36a	85.09 ± 8.20a	52.85 ± 8.46b	22.71 ± 9.55c	106.351	(3, 24)	<0.01
	15	89.80 ± 7.43a	92.38 ± 5.35a	91.52 ± 7.57a	89.42 ± 6.10a	0.320	(3, 24)	0.811
	20	85.95 ± 7.51a	87.61 ± 5.52a	84.09 ± 4.54a	85.00 ± 7.07a	0.424	(3, 24)	0.737
	25	83.80 ± 4.38a	85.57 ± 4.35a	84.19 ± 4.59a	85.04 ± 4.38a	0.238	(3, 24)	0.869
	30	85.04 ± 4.23a	84.52 ± 4.88a	85.47 ± 5.24a	85.00 ± 4.08a	0.057	(3, 24)	0.982

Within each row in the table above, values (fertility, %, mean ± s.e., n = 7) were analyzed with ANOVA, and different letters denote significant differences (Tukey’s HSD test, p < 0.05). ^“a”means the day after emergence.