|
Year
|
Treatments
|
Area covered (ha) against
|
Total
|
|---|
|
C. infuscatellus
|
S. excerptalis
|
C. auricilius
|
|---|
|
2015
|
Biocontrol practicea
|
88.4
|
76.0
|
122.0
|
286.4
|
|
Farmers’ practice
|
11.0
|
9.7
|
17.6
|
48.3
|
|
Untreated control
|
4.3
|
3.8
|
6.8
|
14.9
|
|
2016
|
Biocontrol practicea
|
146.0
|
78.0
|
182.4
|
406.4
|
|
Farmers’ practice
|
21.1
|
10.9
|
25.8
|
57.8
|
|
Untreated control
|
7.9
|
4.6
|
11.1
|
23.6
|
|
2017
|
Biocontrol practicea
|
160.8
|
88.8
|
251.2
|
500.8
|
|
Farmers’ practice
|
24.8
|
14.3
|
37.5
|
76.6
|
|
Untreated control
|
9.4
|
5.9
|
15.4
|
30.7
|
|
2018
|
Biocontrol practicea
|
217.6
|
208.0
|
482.0
|
907.6
|
|
Farmers’ practice
|
28.5
|
27.8
|
75.2
|
131.5
|
|
Untreated control
|
13.2
|
12.6
|
28.8
|
54.6
|
|
2019
|
Biocontrol practicea
|
215.2
|
204.0
|
323.2
|
742.4
|
|
Farmers’ practice
|
31.0
|
29.1
|
48.4
|
108.5
|
|
Untreated control
|
31.0
|
29.1
|
48.4
|
108.5
|
|
Total
|
Biocontrol practicea
|
828.0
|
654.8
|
1360.8
|
2843.6
|
|
Farmers’ practice
|
116.4
|
101.8
|
204.5
|
422.7
|
|
Untreated control
|
46.3
|
40.0
|
82.7
|
169.0
|
- a8 releases against C. infuscatellus and S. excerptalis during April to June; 10–12 releases against C. auricilius during July to October
