Effect of insecticide Diazinon on Pseudomonas aeruginosa inAL-Qadisiya District fields

Abstract

This study included the determination of the effect of the insecticide ‘Diazinon’on Pseudomonas aeruginosa isolated from the rizosphere of Viccia faba in the fields of AL-Qadisiya district at the range of 0.2 , 0.4 , 0.6 ppm concentration where the 0.6 ppm concentration represented to the initial concentration in the fieldsoil . The result showed that the numbers of P.aeruginosa reached 5.8 × 107 in Treatment control , but the number decreased to 3.3 × 107 with diazinon in 0.2 ppm and the numbers increased to 3.7 ×108 , 1.1 × 108 in 0.4 , 0.6 ppm . The results showed that P.aeruginosa are able to convert this insecticide to otherCompounds in the laboratory .