EFFICACY OF POST-EMERGENCE HERBICIDES ON WEED CONTROL, PRODUCTIVITY AND ECONOMICS OF SUGARCANE
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Authors
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VIJAYA BHASKAR REDDY U
Sugarcane Research Station, Vuyyuru- 521 165, Acharya N.G. Ranga Agricultural University, Guntur, Andhra Pradesh, India
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SHAKESPEARE P
Sugarcane Research Station, Vuyyuru- 521 165, Acharya N.G. Ranga Agricultural University, Guntur, Andhra Pradesh, India
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SAILAJA RANI J
Sugarcane Research Station, Vuyyuru- 521 165, Acharya N.G. Ranga Agricultural University, Guntur, Andhra Pradesh, Indi
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SATYA PRIYA LALITHA V
Sugarcane Research Station, Vuyyuru- 521 165, Acharya N.G. Ranga Agricultural University, Guntur, Andhra Pradesh, India
Keywords:
Post emergence, Sugarcane, Weed management, yieldAbstract
A field experiment in sugarcane weed control was conducted from 2020-21 to 2022-23 in
randomized block design with three replications in alluvial soils of Krishna – Godavari delta of
Andhra Pradesh. Results revealed that, comparatively higher weed control efficiency was recorded
with post-emergence application of tembotrione @ 125 g/ha + halosulfuran methyl @ 125 g/ha fb
IC at 60 and 90 DAP. Significantly more cane yield was recorded with application of topramezone
@ 40 g/ha + halosulfuron methyl @ 125 g/ha fb IC at 60 and 90 DAP (115.9 t/ha) which was
however statistically at par with rest of the herbicide treatments. The quality parameters like
sucrose %, CCS and purity % were not affected by the herbicide treatments. With regard to
economics, higher gross returns (Rs. 3,43,296), net returns (Rs. 45,130/-) and B:C ratio (1.15)
was recorded with topramezone @ 40 g/ha + halosulfuron methyl @ 125 g/ha fb IC at 60 and 90
DAP
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