Sequential application of pre-and post-emergence herbicides to control mixed weed flora in maize Nazreen Shaik, Subramanyam D.* Department of Agronomy, S.V. Agricultural College, Acharya NG Ranga Agricultural University, Tirupati, Andhra Pradesh, 517 502 *Corresponding author: subbuagro37@gmail.com
Online published on 27 December, 2017. Abstract A field experiment was laid out in randomized block design with ten weed management practices to determine the bioefficacy of PoE herbicides, halosulfuron-methyl 67.5 g/ha and tembotrione 100 g/ha alone or tank mix and sequential application after PE application of alachlor 1000 g/ha, besides two hand weedings and unweeded control. The broadspectrum weed control and the highest grain yield of rainy season maize was obtained with sequntial application of alachlor 1000 g/ha as PE fb PoE application of halosulfuron-methyl 67.5 g/ha + tembotrione 100 g/ha (tank mix). Post-emergence application of halosulfuron-methyl 67.5 g/ha effectively controlled purple nutsedge. Top Keywords Halosulfuron-methyl, Maize, Tembotrione, Sequential application, Weed growth. Top |
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