. 2018 Aug 10;8(8):367. doi: 10.1007/s13205-018-1387-8

Table 2.

Repellent effects of different pyrethrum sources on rust red-flour beetle T. castaneum

Treatments	% Repellence recorded at different time intervals (mean* ± SE)
Treatments	1 h	2 h	3 h	4 h	8 h	24 h
Callus extract	61.01 ± 11.10^b	76.27 ± 3.69^a	83 ± 3.00^a	86.20 ± 4.20^a	93.22 ± 3.36^a	93.38 ± 3.30^a
Commercial pyrethrum extract (2%)	48.56 ± 3.78^a,b	69.18 ± 9.54^a	82.49 ± 8.51^a	84.80 ± 3.80^a	89.00 ± 5.00^a	90.36 ± 1.24^a
Pestanal standard	45.78 ± 4.22^a	65 ± 5.00^a	78.59 ± 3.75^a	79.27 ± 5.91^a	84.23 ± 7.21^a	91.75± 2.75^a

The means followed by the same letter in the same column are not significantly different at (P = 0.5) according to Tukey’s test

SE standard error

*Values are mean of two replications