Table 1.

Results of analysis of variance, which compared the number of active holes for each treatment and the nontreated control at each inspection.^{^z}

Date of count		Sum of squares	df	Mean square	F	Significance
Pretreatment count 15 November 2006	Between groups	4.367	3	1.456	1.873	0.175
	Within groups	12.433	16	0.777
	Total	16.800	19
23 October 2006	Between groups	9.617	3	3.206	5.585	0.008
	Within groups	9.183	16	0.574
	Total	18.800	19
30 October 2006	Between groups	19.300	3	6.433	5.021	0.012
	Within groups	20.500	16	1.281
	Total	39.800	19
6 November 2006	Between groups	10.300	3	3.433	0.839	0.492
	Within groups	65.500	16	4.094
	Total	75.800	19
13 November 2006	Between groups	76.317	3	25.439	1.278	0.316
	Within groups	318.483	16	19.905
	Total	394.800	19
20 November 2006	Between groups	25.917	3	8.639	0.542	0.660
	Within groups	255.033	16	15.940
	Total	280.950	19
27 November 2006	Between groups	69.350	3	23.117	0.634	0.604
	Within groups	583.450	16	36.466
	Total	652.800	19
4 December 2006	Between groups	73.750	3	24.583	0.343	0.794
	Within groups	1,145.450	16	71.591
	Total	1,219.200	19
11 December 2006	Between groups	65.417	3	21.806	0.258	0.855
	Within groups	1,353.133	16	84.571
	Total	1,418.550	19
Final count 29 January 2007	Between groups	1,093.267	3	364.422	0.258	0.855
	Within groups	22,631.283	16	1,414.455
	Total	23,724.550	19

↵^zSignificance was found on two dates, 23 October and 30 October, when there were more holes with the Crop Guardian treatment than all other treatments.