Fig. 1. Variation of nonstructural carbohydrate concentrations among 13 entries of perennial cool-season grasses at the preheading stage. Grass entries from 1 to 13 are ‘Carmine’, ‘Dovey’, ‘Kentucky 31’, and ‘Maximize’ tall fescue; ‘Felina’ and ‘Hykor’ festulolium; ‘Lincoln’, ‘Lincoln YD’, ‘NE B1-2-C0’, and ‘NE B1-4-C2’ smooth bromegrass; ‘Jose’ tall wheatgrass; and ‘Luna’ and ‘Manska’ intermediate wheatgrass, respectively.