Soybean (Glycine max) is a miracle crop due to its extraordinary qualities apart from known for rich source of vegetable protein and oil. Over the years, its production is stagnant or declining owing to climate change and also due to ever changing pathogenic behaviour of Macrophomina phaseolina. The present investigation was undertaken to utilize the dominant resident mycoflora of crop that are capable of adjusting to changing environment apart from its ability to combat the menace of its co-partner (pathogenic group) evolving with them. | Antagonism of Trichoderma asperellum isolates against Macrophomina phaseolina causing soybean charcoal rot and its impact on physiological parameters of crop