The present study was conducted in Thi-Qar province of southern Iraq where farmers are adopting the IPM practices in Polly plastic house. Population in the study was 450. Multistage simple random sampling technique was followed to draw a sample of 90 farmers (20% of the total number of farmers). The personal interview with Polly plastic house owners was adopted to collect data. The data was collected during October 2012 to November 2012. The study revealed that the highest per centage (42.22%) belonged to medium adoption category of application of IPM in Polly plastic house. Among IPM practice (73.80%) respondents adopted belonged to the biological control processes. The relationship of the independent variables with application level of farmers’ waspositive and significant at one per cent level of probability with nine variables. Multiple regression analysis was carried out with eleven variables namely age, social class, Occupation, Education, Size of land holding, Farm power, Family size, Family type, number of Polly plastic installed and Source of information utilized. The study contributed that the ten variables at significant level of variation to the extent of application level of farmers the FFS on IPM in Polly plastic (R2=71.90). The farmers were satisfied about FFS on IPM in Polly plastic house

Keyword: Impact; Application; Farmer Field School; Integrated Pest Management; Polly plastic house;