Efficacy of post-emergence herbicides for controlling weeds in canola
2003
Khan, I.A. | Hassan, G. (NWFP Agricultural Univ., Peshawar (Pakistan). Dept. of Weed Science) | Ihsanullah | Khan, M.A.
Study was conducted during the rabi season 2000-01, to investigate the effectiveness of different post-emergence herbicides for controlling weeds in canola. The treatments were post-emergence application of ronstar (oxadiazon), fusilade (fluzifop-butyle), topik (clodinofop), puma super (fenoxaprop-ethyl) and agile (propaquizafop) at the rate of 0.36, 0.26, 0.03, 0.75 and 0.15 kg ha-1. Weedy check was also included for comparison. Herbicidal treatments significantly effected weeds density m-2, number of branches plant-1, number of siliquae plant-1, siliquae length (cm), number of seeds siliqua-1, 1000 seeds weight (g) and seed yield (kg ha-1). Among the herbicides, fusilade showed promising results with seed yield (1563 kg ha-1) as compared to weedy check (920 kg ha-1). The weed species found were Convolvulus arvensis, Medicago denticulate, Rumex crispus, Vicia sp. and Anagalis arvensis.
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