New Delhi, 11 December (NNS): The sowing activity of coriander reported to be constant in the famous producing states, due to this reason, here, coriander badami prices went up by Rs 300 to Rs 8900 per quintal due to the weak sowing as comparatively. There were about 3000 bags of coriander reported to arrive and the prices held stable at the same level of the previous day. The active contract jumped by Rs 166 or 2.29 percent to Rs 7400 per quintal owing to the heavy speculative buying. The spot coriander prices will likely to remain strong during the coming one or two days.