pesticide consumption in greenhouses; a case study of kashan region

aims: in regard to increasing greenhouse area in iran followed by increased use of pesticides and contaminated crops, this study aimed to determine the frequency and types of consumed pesticides in kashan region, iran, greenhouses. instrument & methods: in this descriptive study in 2011-2012, samples was entered by census method. at the first step, a list of greenhouses was obtained from agricultural organization, 39 active greenhouses were detected, thereafter the questionnaires have been completed in detail by direct interview; obtained data were analyzed in spss 23 by descriptive statistics. findings: 87.1% of greenhouses used chemical methods for controlling pest and diseases of products and 43.5% used non-chemical methods. the most frequent used chemical pesticides were deltamethrin (37.9%) and permethrin (28.3%) as pyrethroid insecticides, diazinon (23.1%) as an organophosphate insecticide and carbendazim (23.2%) as a fungicides. conclusion: 87.1% of the greenhouses’ owners of kashan region, iran, use chemical pesticide for pest control.