Research Article
Performance of Different Herbicides in Dry-Seeded Rice in Bangladesh
Table 10
Effect of weed control treatments on yield and yield components of rice in the boro season.
| | Weed control treatments | Panicles
(no. m−2) | Spikelet panicle−1 | Spikelet fertility (%) | 1000-grain weight (g) | Grain yield
(t ha−1) |
| | Weed-free | 347.00 | 82.35 | 93.52 | 19.02 | 4.76 | | Partial weedy | 159.67 | 59.33 | 92.79 | 18.03 | 1.58 | | Oxadiargyl fb ethoxysulfuron | 315.67 | 78.38 | 93.67 | 18.70 | 4.13 | | Pendimethalin fb ethoxysulfuron | 301.00 | 80.25 | 92.49 | 18.54 | 4.08 | | Acetachlor + bensulfuranmethyl fb ethoxysulfuron | 303.00 | 77.93 | 92.77 | 18.61 | 4.01 | | Pyrazosulfuron fb ethoxysulfuron | 281.67 | 76.05 | 91.74 | 18.05 | 3.46 | | Oxadiargyl fb 1 HW at 35 DAS | 278.33 | 76.42 | 91.67 | 18.36 | 3.48 | | Pendimethalin fb 1 HW at 35 DAS | 264.00 | 76.12 | 91.90 | 18.23 | 3.38 | | Acetachlor + bensulfuraonmethyl fb 1 HW at 35 DAS | 270.33 | 76.62 | 91.99 | 18.90 | 3.42 | | Pyrazosulfuron fb 1 HW at 35 DAS | 248.33 | 75.47 | 90.00 | 18.62 | 3.22 | | LSD0.05 | 23.41 | 5.65 | 1.63 | NS | 0.28 | | value | | | 0.008 | 0.074 | |
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DAS: days after sowing; fb: followed by; HW: hand weeding; LSD: least significant difference at 5% level of significance; : probability.
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