ESTABLISHMENT, COLONIZATION, TOXIN PRODUCTION, AND DEVELOPMENT OF THE CHARCOAL ROT FUNGUS, MACROPHOMINA PHASEOLINA, ON SOYBEAN (SRI 2007)

Determine the role of botryodiplin and gigantenone toxin complex comparing tolerant and susceptial varieties planted in the variety testing program trials throughout Mississippi. Further evaluate specific nutrients and toxin production in plants to determine exact interactions for improved control and managmenet of M. phaseolina. Collect isolates of M. phaseolina throughout the U.S. to future confirm that the pathogen consistently produces botryodiplodin and gigantenone as the main toxins associated with charcoal rot disease.