In Indonesia most farmers still use chemical pesticides as crop disease management. But uncontrolled use of pesticides can adversely affect the environment and health of consumers as well as the high cost of production to farmers. One of the alternatives that farmers can develop primarily in Indonesia in the future is to use the Trichoderma spp. as a source of vegetative growth such as potatoes, purple eggplants, soy, rubber, cacao and other plants and to suppress and control diseases caused by pathogens such as Phytophthora infestans, Fusarim oxysporum and Pythium arrhenomanes, Rigidoporus microporus, P. solanacearum, Aspergillus niger, Colletotrichum, Botrytis alli and the others. Plant disease control using the Trichoderma spp. is an env...