Fig. 2. Relationship between 13C discrimination () and water use efficiency (WUE) among 12 Kentucky bluegrass genotypes at Days 1 to 4 and 5 to 8 during drydown in 2003. ns = nonsignificant at P > 0.10. Significant at P 0.10.
) and water use efficiency (WUE) among 12 Kentucky bluegrass genotypes at Days 1 to 4 and 5 to 8 during drydown in 2003. ns = nonsignificant at P > 0.10. 
Significant at P 
0.10.