Charcoal rot, caused by Macrophomina phaseolina, is a disease of stressed soybeans, and is growing in importance in the North Central Region. Charcoal rot is difficult to identify in fields, since the symptoms are similar to many other diseases and disorders, such as soybean cyst nematode, drought stress, and nutrient deficiency. Consequently, charcoal rot is frequently misdiagnosed and yield loss due to this disease is not well known in the northern U.S. The majority of information known about this disease comes from the southern U.S. and focuses on genetic resistance to the disease. Currently, knowledge about other management options is limited. New seed and foliar fungicide programs and...
Update:see above October 3rd report for final report
The United Soybean Research Retention policy will display final reports with the project once completed but working files will be purged after three years. And financial information after seven years. All pertinent information is in the final report or if you want more information, please contact the project lead at your state soybean organization or principal investigator listed on the project.