Field experiments were conducted with 6 selected nematicides for pepper root - knot nematode.

It is obvious that the average plant height and the fresh weight of each plant treated by the Bio-nematicide No. 2 were higher than that of control group, increasing by 16.32% and 20.43% respectively.

The studies indicated that Weixianke possesses the prospect in controlling nematode instead of chemical nematicide.