Table 3

Growth inhibitory activity of polyketide metabolite against H. armigera and S. litura
Concentration (ppm) H. armigera S. litura
N* Larval duration (d) Pupicidal (%) N* Pupal duration (d) N* Larval duration (d) Pupicidal (%) N* Pupal duration (d)
Polyketide metabolite
125 42 10.09 ± 0.44b 20.99 ± 4.15b 33 11.45 ± 0.40b 43 10.02 ± 0.29a,b 18.51 ± 6.33b 35 10.28 ± 0.22a
250 33 10.91 ± 0.35b,c 32.58 ± 5.20b,c 24 12.35 ± 0.46b,c 34 10.44 ± 0.87b 25.06 ± 7.22b 25 11.53 ± 0.69b
500 24 12.55 ± 0.37c 42.55 ± 3.47c 14 13.50 ± 0.70c 21 11.96 ± 0.45c 47.13 ± 10.9c 11 13.86 ± 0.63c
1000 18 13.98 ± 0.51d 62.01 ± 11.7d 8 15.45 ± 1.03d 18 13.96 ± 0.92c 55.06 ± 9.12c 8 14.4 ± 0.54cd
Azadirachtin
125 26 14.09 ± 0.16e 70.45 ± 9.04d 8 17.95 ± 0.54e 23 14.56 ± 0.26d,e 47.40 ± 7.48c 12 14.10 ± 0.48c
250 17 15.8 ± 0.74f 100 ± 00e 15 15.95 ± 0.98e 76.08 ± 12.9d 4 15.24 ± 0.5d
500 0
1000
Control 48 9.08 ± 0.15a 0a 48 9.58a 48 8.95 ± 0.49a 48 11.12 ± 0.39a

Mean ± SD within columns followed by the same letter do not differ significantly using Tukey’s test, P ≤ 0.05. N*: number.

Arasu et al.

Arasu et al. BMC Microbiology 2013 13:105   doi:10.1186/1471-2180-13-105

Open Data