An attempt was taken for the management of charcoal rot disease soybean caused by Macrophomina phaseolina using integration bio-agent with fungicide and organic amendment. Before going to field experiments, different in-vitro trials were conducted select a virulent isolate M. phaseolina, an effective antagonistic Trichoderma harzianum, suitable Among seven isolates MSP-4 selected as test pathog...

charcoal rot disease, caused by macrophomina phaseolina has become a restrictive agent for annual crops in iran. the disease incidence reaches up to 90 percent in some infested areas. high air temperature and drought stress associated with this disease, are the main factors for increasing the disease incidence and severity. in order to isolate the pathogenic agents, pieces of infected root and ...