Weed control with pre and post emergence herbicides application in spring planted sugarcane
2004
An experiment was conducted to know the effect of atrazine, paraquat and glyphosate on the weeds and cane yield of spring planted sugarcane at Regional Research Station, Kheri, Sangrur during 2001–02. The data on cane yield revealed that highest cane yield was recorded where the round up at 3.0 lha₋₁ was applied as post-emergence but it was at par in cane yield obtained where lower dose of round up at 2.5 lha₋₁, atrataf 50 WP at 2.0 kg/ha followed by lower (2.5 lha₋₁) and higher dose (3.0 lha₋₁) of round up were applied to control the weeds with the weed control efficiency 81.2, 82.4,78.3 and 76.3 per cent. However, the differences were also non-significant with the inter-culture treatment. But the cane yield obtained with the application of atrataf 50 WP at 2.0 kgha₋₁ followed by gramoxone at 1.5 lha₋₁ produced the significantly lower cane yield than the application of round up at 3.0 lha₋₁. Whereas, all the treatments of weed control gave the significantly higher cane yield over the control.
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