New Delhi, 16 June (NNS): The prices of black pepper markara reduced by Rs 20 to Rs 720 per kg due to the sluggish buying from the stockists at the higher prices. Recently, the prices have gone down by Rs 10 per kg. The rainfall reported to be on the second day in Kochi and the prices reduced by Rs 5 per kg, due to this, the market sentiments may affect. The spot black pepper prices will likely to remain high during the near future.