comparison of cultural growth and in planta quantification of didymella pinodes, phoma koolunga and phoma medicaginis var. pinodella, causal agents of ascochyta blight on field pea (pisum sativum). | the causal agents of ascochyta blight on field pea in south australia, didymella pinodes, phoma medicaginis var. pinodella and phoma koolunga, are isolated from a single plant within a crop, suggesting competition for space and nutrients. interactions among these pathogens were investigated. diameters of colonies of d. pinodes and of p. medicaginis var. pinodella were significantly reduced on pda amended with filtrate from broth cultures of p. koolunga as were diameters of colonies of d. pinodes ... | 2011 | 21933927 |