Table 9. Weed Control Efficiency (%) of DSR under Variable Sowing Dates and Weed Management Practices (Pooled Data of 2 Years)a.
treatments | 30 DAS | 45 DAS | 60 DAS | at harvest |
---|---|---|---|---|
Dates of Sowing | ||||
D1: 10th May | 7.7 (68.1) | 7.5 (65.7) | 7.3 (60.7) | 7.5 (65.1) |
D2: 3rd June | 7.4 (62.4) | 7.3 (61.1) | 6.7 (52.6) | 7.2 (59.8) |
SE(m) ± | 0.04 | 0.05 | 0.03 | 0.05 |
CD (p ≤ 0.05) | 0.12 | 0.15 | 0.10 | 0.15 |
Weed Management Practices | ||||
W2: four conoweedings (equivalent to weed free) | 10.1 (100) | 10.0 (100) | 10.0 (100) | 10.0 (100) |
W3: BSM + pretilachlor, PE | 8.4 (70.8) | 8.2 (67.6) | 7.7 (58.6) | 8.1 (65.8) |
W4: oxyfluorfen, PE | 8.2 (67.8) | 8.2 (66.5) | 7.5 (56.1) | 8.1 (64.3) |
W5: BSM + pretilachlor PE fb 2,4-D PoE | 8.9 (79.3) | 8.7 (75.2) | 8.1 (65.7) | 8.7 (74.9) |
W6: oxyfluorfen PE fb 2,4-D PoE | 8.6 (73.8) | 8.5 (71.3) | 7.7 (59.9) | 8.4 (69.7) |
SE(m) ± | 0.06 | 0.05 | 0.04 | 0.05 |
CD (p ≤ 0.05) | 0.20 | 0.16 | 0.12 | 0.16 |
Figures in parenthesis are subjected to square root transformation.