Table 10 Density (No. m−2) of grasses, sedges and broadleaf weeds as influenced by sowing dates and weed management practices in DSR during the year 2018 and 2019.
Treatments | Grasses (at 60 DAS) | Sedges (at 60 DAS) | Broad leaf weeds (at 60 DAS) | |||
---|---|---|---|---|---|---|
2018 | 2019 | 2018 | 2019 | 2018 | 2019 | |
Sowing dates | ||||||
D1: May 10th | 8.83 | 9.85 | 6.13 | 9.43 | 12.41 | 15.61 |
D2: June 3rd | 9.34 | 13.68 | 8.03 | 11.15 | 15.29 | 19.21 |
SE(m) ± | 0.11 | 0.17 | 0.15 | 0.18 | 0.21 | 0.25 |
CD (p ≤ 0.05) | 0.31 | 0.59 | 0.44 | 0.57 | 0.65 | 0.67 |
Weed management practices | ||||||
W1: Weedy Check | 22.12 | 28.32 | 18.43 | 23.61 | 34.02 | 41.64 |
W2: four conoweedings (equivalent to weed free) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
W3: BSM + pretilachlor, PE | 7.73 | 10.65 | 6.81 | 8.51 | 12.10 | 15.48 |
W4: oxyfluorfen, PE | 10.96 | 13.10 | 6.24 | 9.08 | 16.33 | 19.76 |
W5: bensulfuron methyl + pretilachlor (PE) fb 2, 4-D (PoE) | 5.12 | 9.46 | 4.87 | 7.31 | 8.52 | 13.38 |
W6: oxyfluorfen (PE) fb 2, 4-D (PoE) | 6.66 | 10.98 | 5.62 | 9.08 | 11.15 | 15.31 |
SE(m) ± | 0.14 | 0.13 | 0.15 | 0.27 | 0.19 | 0.33 |
CD (p ≤ 0.05) | 0.46 | 0.44 | 0.45 | 0.81 | 0.58 | 1.04 |