|
Treatments
|
Pre-treatment population/10 plants
|
Post-treatment population/10 plants (polled mean of five sprays)
|
Square damage /%
|
Boll damage /%
|
|---|
|
EPN strains at three doses
|
|
APKS2 at 1 × 109
|
15.0 a
|
8.9 c
|
12.3 c
|
8.8 dc
|
|
APKS2 at 2 × 109
|
15.0 a
|
6.5 d
|
9.0 de
|
6.4 e
|
|
APKS2 at 3 × 109
|
15.3 a
|
6.1 d
|
8.5 f
|
6.0 fe
|
|
KKMH1 at 1 × 109
|
15.3 a
|
9.5 c
|
13.4 c
|
9.7 c
|
|
KKMH1 at 2 × 109
|
15.0 a
|
6.8 d
|
9.5 e
|
6.9 e
|
|
KKMH1 at 3 × 109
|
15.3 a
|
6.4 d
|
9.0 ef
|
6.5 e
|
|
TRYH1 at 1 × 109
|
15.3 a
|
12.9 b
|
17.9 b
|
13.0 b
|
|
TRYH1 at 2 × 109
|
15.0 a
|
9.2 c
|
12.7 c
|
9.2 c
|
|
TRYH1 at 3 × 109
|
15.3 a
|
8.6 c
|
12.0 dc
|
8.7 dc
|
|
Chlorpyriphos
|
15.0 a
|
5.3 e
|
7.8 g
|
5.0 g
|
|
Control
|
15.3 a
|
17.3 a
|
30.1 a
|
20.7 a
|
|
EPN strains
|
|
APKS2
|
15.1 a
|
7.1 c
|
9.9 c
|
7.0 d
|
|
KKMH1
|
15.2 a
|
7.5 c
|
10.6 c
|
7.7 c
|
|
TRYH1
|
15.2 a
|
10.2 b
|
14.2 b
|
10.3 b
|
|
Chlorpyriphos
|
15.0 a
|
5.3 d
|
7.8 d
|
5.0 e
|
|
Control
|
15.3 a
|
17.3 a
|
30.1 a
|
20.7 a
|
|
EPN dosages
|
|
1 × 109 IJs·hm−2
|
15.2 a
|
10.4 b
|
14.5 b
|
10.5 b
|
|
2 × 109 IJs·hm−2
|
15.0 a
|
7.5 c
|
10.4 c
|
7.5 c
|
|
3 × 109 IJs·hm−2
|
15.3 a
|
7.0 c
|
9.8 d
|
7.0 c
|
|
Chlorpyriphos
|
15.0 a
|
5.3 d
|
7.8 g
|
5.0 d
|
|
Control
|
15.3 a
|
17.3 a
|
30.1 a
|
20.7 a
|
- Means followed by the same letter in columns are not significantly different at P < 0.05 (Tukey–Kramer test)
