International Journal of Chemical Studies
Vol. 5, Issue 5 (2017)
Effect of sustainable weed management practices on weed growth and productivity of maize
Author(s): A Rajeshkumar, NS Venkataraman, S Ramadass, S Ravichandran and S Thirumeninathan
Abstract: Field experiments were conducted in Agricultural College and Research Institute, Madurai, Tamil Nadu Agricultural University during Rabi season of 2013. The experimental soil was clay loam of Madukur Series with neutral pH. The experiments were laid out in split plot design with three replications. The main plots were consisted with cropping system, viz. maize, maize + blackgram, maize + cowpea and weed management practices such as pre emergence (PE) application of pendimethalin at 0.75 kg/ha, alachlor at 1 kg/ha and oxyfluorfen at 0.2 kg/ha and in combination with one rotary hoeing on 35 DAS. In addition to this, rotary hoeing twice at 15 and 35 DAS, hand weeding on 15, 35 DAS and unweeded check were assigned to sub plots. The experimental results revealed that weed population and weed DMP were higher in sole maize cropping than intercropping situation. The maize + cowpea system resulted higher weed control cum smothering efficiency (74.40) than maize + blackgram system (73.66). Maize + cowpea system influences the higher yield attributes like cob length (16.83 cm), cob girth (14.47 cm), number of grains per cob (490.67), test weight (34.06 g). The application of pendimethalin at 0.75 kg/ha + rotary hoeing on 35 DAS has produced higher yield attributes and grain yield of maize 6051 kg/ha.
Pages: 852-855 | 511 Views 6 Downloads
How to cite this article:
A Rajeshkumar, NS Venkataraman, S Ramadass, S Ravichandran, S Thirumeninathan. Effect of sustainable weed management practices on weed growth and productivity of maize. Int J Chem Stud 2017;5(5):852-855.