TABLE 2.

Control efficacy (mean ± SE) of six insecticidal seed treatments for control of FAW on corn in the field.

Experimental time	Treatments	Dosage (ga.i.100 kg−1seeds)	Control efficacy (%)
			7 DAE	14 DAE	21 DAE	28 DAE
July	CHL	300	84.15 ± 2.82ab	76.42 ± 2.22ab	55.79 ± 4.37ab	40.94 ± 2.45b
	CYA	144	79.84 ± 3.45b	68.93 ± 3.82b	49.54 ± 4.76bc	14.09 ± 7.02d
	CHL + CLO	240	87.88 ± 1.83a	77.94 ± 3.25a	48.61 ± 1.71bc	32.21 ± 4.57b
	CYA + THI	240	86.71 ± 1.92a	71.46 + 1.51ab	44.68 ± 2.34c	19.46 ± 1.10cd
	CLO	120	65.97 ± 2.20c	57.09 ± 4.14d	57.87 ± 1.39a	31.54 ± 4.17bc
	THI	180	72.49 ± 2.20c	62.35 ± 1.99cd	58.33 ± 2.17a	53.69 ± 2.29a
	F	-	14.68	7.27	3.36	12.34
	df	-	23.5	23.5	23.5	23.5
	p	-	<0.001	<0.001	0.03	<0.001
September	CHL	300	84.43 ± 1.09a	74.79 ± 3.12a	61.23 ± 5.64ab	66.79 ± 4.20a
	CYA	144	87.00 ± 1.92a	70.15 ± 1.67a	62.28 ± 2.90a	63.38 ± 1.78a
	CHL + CLO	240	85.53 ± 1.85a	68.33 ± 0.74a	57.56 ± 2.91ab	66.43 ± 3.46a
	CYA + THI	240	87.73 ± 0.92a	72.31 ± 1.06a	50.00 ± 5.56b	64.63 ± 1.56a
	CLO	120	41.94 ± 3.63b	58.54 ± 2.79b	51.02 ± 2.13ab	59.43 ± 3.60a
	THI	180	42.67 ± 2.21b	61.19 ± 2.43b	57.8 ± 2.51ab	62.84 ± 2.61a
	F	-	113.42	8.77	3.73	0.80
	df	-	23.5	23.5	23.5	23.5
	p	-	<0.001	<0.001	0.02	0.56

Values with different letters indicate significant differences with Tukey’s HSD test at p < 0.05.