The Role of Extension and Economic Factors in the Success and Continuation of Activities of the Plant Medical Clinics In South of Tehran Province

The current study aimed to analyze the role of economic and extension factors affecting the success and continuation of activities of plant clinics in the south of Tehran province. The population of study was the farmers in the south of Tehran province (N = 13222). The sample size of 209 was chosen by Bartlett et al., (2001) among which 191 of them was useable. The data were collected using a questionnaire and the data analysis was performed utilizing SPSs20 and AMOS20 softwares. The descriptive result showed that 73.3 % of respondents evaluated the continuation of activities and 50.3% the success of plant medical clinics in a moderate level. Also the result indicated that the variables of information resources, participation in extension workshops and economic factors had a positive and significant effect on the success and continuation of activities of plat medical clinics in the south of Tehran province. In addition, the result of testing the mediation effect of plant clinics success showed that the indirect effect of information resources, participation in extension workshops and economic factors through the plant medical clinics success on continuation of activities of these clinics was significant.