Concentration (ppm)
|
Antifeedant activity (%)
|
---|
H. armigera
|
S. litura
|
---|
Polyketide metabolite
|
125
|
38.01 ± 2.11b
|
35.93 ± 3.14b
|
250
|
51.77 ± 3.81c
|
46.19 ± 3.88c
|
500
|
64.29 ± 3.78d
|
59.58 ± 2.41d
|
1000
|
78.51 ± 3.90e,f
|
70.75 ± 2.46e,f
|
Azadirachtin
|
125
|
62.20 ± 3.05d
|
65.47 ± 2.92e
|
250
|
64.37 ± 3.26d,e
|
75.41 ± 5.34f
|
500
|
74.51 ± 4.95f
|
83.73 ± 3.53g
|
1000
|
89.84 ± 5.65g
|
89.61 ± 2.88h
|
Control
|
4.33 ± 1.07a
|
1.54 ± 1.04a
|
- Mean ± SD within columns followed by the same letter do not differ significantly using Tukey’s test, P ≤0.05.