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This study examines the multiplication of isolate FMA indegenus in corn plants with the culture in pots in the greenhouse. Research will be conducted from August to October 2019 in Greenhouse, laboratory of microbiology of Mataram University and the building of agricultural technology development. This research aims to determine the influence of isolates FMA of dry land and the concentration of application of fertilizer Johnson solution. This research uses isolates of exploration results in the district of Pujut central Lombok which was taken in 4 villages namely Mertak village, Sukadana Village, Kuta Village and Sengkol village. This research is an experimental study with a complete randomized design of factorial with 2 factors, namely the FMA isolate type factor and the concentration of Johnsons nutrient solution with 3 repeats. The first factor with the level without isolate, isolate 1, isolate 2 and isolate 3. While the second factor is the concentration of Johnson 50% nutrient solution and the concentration of Johnson nutrient solution 75%. The results showed that there were differences in crop growth such as crop height and the number of leaves on inter-isolate treatment where isolate 1 gave the highest growth and number of leaves. In the process of identification will be obtained the highest spore-s density on the spores from isolate 1 with spherical shape. The percentage of root infections also showed the highest results in treatment with isolate 1.