The objective of the research were to know the effect of insecticide nabati, mikrobia, sintetik to Piute/la xyloste//a (Linn.) at crop of Brassica juncea. The research had been conducted in field farmer at Kelurahan Sukabangun Kecamatan Sukarami, Palembang city, from January to July 2005. The research was arranged using Group Randomized Design (GRD) with 5 treatments and 4 replication. The data…