This research project is part of the sorghum breeding program at ISU, which has the ultimate goal of evaluating the potential of ISU inbred lines as parents of lignocellulosic hybrids. The objectives of this research project were:

• To determine the biomass yield of experimental hybrids, and its performance relative to commercial materials
• To determine the effect of lodging and planting density on final biomass yield
• To determine the level of association between plant height and lodging