Ratnasoma, H.A.Gowen, S.R.Wijekoon, S.2020-09-022020-09-021991Tropical Agriculturist, 147:p.135-142https://dl-doa.nsf.gov.lk/handle/1/2674PLANT PROTECTIONGliricidiaNematode ControlPasteuriaPhenamiphosPiper nigrumEvaluation of some potential methods for control of root knot nematodes in black pepper (Piper nigrum)Article