Table 2 Effect of intercropping on the activity of Trichogramma spp. (pooled of 2016 and 2017)
Treatments | Percent parasitization of eggs of rice moth by Trichogramma spp. | |||||
|---|---|---|---|---|---|---|
15 July | 30 July | 15 August | 30 August | 15 Sept | Mean | |
Cotton + sesame 1:1 | 11.33 (19.61)** | 17.00 (24.33) | 10.33 (18.72) | 10.00 (18.37) | 6.00 (14.04) | 10.93 (19.06)*a |
Cotton + sesame 2:1 | 6.67 (14.92) | 9.67 (18.07) | 4.67 (12.45) | 6.67 (14.92) | 3.00 (9.88) | 6.13 (14.09)b |
Cotton + sesame 3:1 | 3.00 (9.87) | 6.33 (14.50) | 5.33 (13.33) | 2.67 (9.26) | 1.33 (5.42) | 3.73 (10.78) c |
Cotton + pigeonpea 1:1 | 0 (1.15) | 0 (1.15) | 0 (1.15) | 0 (1.15) | 0 (1.15) | 0 (1.15) |
Cotton + pigeonpea 2:1 | 0 (1.15) | 0 (1.15) | 0 (1.15) | 0 (1.15) | 0 (1.15) | 0 (1.15) |
Cotton + pigeonpea 3:1 | 0 (1.15) | 0 (1.15) | 0 (1.15) | 0 (1.15) | 0 (1.15) | 0 (1.15) |
Cotton + pearl millet (border crop) | 0 (1.15) | 0 (1.15) | 0 (1.15) | 0 (1.15) | 0 (1.15) | 0 (1.15) |
Cotton + sorghum (border crop) | 0 (1.15) | 0 (1.15) | 0 (1.15) | 0 (1.15) | 0 (1.15) | 0 (1.15) |
Sole cotton (control) | 0 (1.15) | 0 (1.15) | 0 (1.15) | 0 (1.15) | 0 (1.15) | 0 (1.15) |
Standard error of mean (SE ± m) | (0.57) | (0.49) | (0.29) | (0.58) | (1.11) | (0.75) |
Critical difference (CD at 5%) | (1.72) | (1.50) | (0.88) | (1.77) | (3.36) | (2.19) |