sentences:  Black root rot is a common disease in North Carolina, a top strawberry producing region, and much of the southeastern region of the United States, having been shown to reduce yields by 20 to 40%.This is the main reason growers fumigate their fields in this region.Pre-planting fumigation may suppress the disease during the year of planting, but typically it does not offer any lasting control and cultivars resistant to black root rot are not currently available.