Two hand weeding or interculturing twice or thrice between the rows till the crop permit (up to flowering only) should be carried out for controlling the weeds. In scarcity and unavailability of labour, pendimethalin @ 1.0 kg/ha or fluchloralin @ 1.5 kg/ha as preemergence application is found effective for controlling the weeds.
In summer groundnut, Oxyfluorfen @ 0.24 kg/ha as pre-emergence followed by one hand weeding and interculturing at 45 days of sowing should be carried out for controlling the weeds. If it is not possible to spray the above weedicide after sowing the crop, same should be applied at the same rate as pre-planting. In south Saurashtra, for effective control of weeds in summer groundnut, two hand weeding and interculturing at 20 and 40 days of sowing should be carried out. For chemical weed control, fluchloralin or pendimethalin @ 1.0 kg/ha as pre-emergence along with one hand weeding and two interculturing should be carried out.
