Abstract
The relationship between attributes of vegetative and reproductive growth was examined in tall fescue and meadow fescue. There was a negative relation between vegetative and reproductive growth in terms of the relative proportion of vegetative and reproductive tillers at flowering time. A greater proportion of reproductive tillers resulted in more efficient seed production but it caused reduced herbage production under frequent cutting. Cultivars generally tended to show a higher proportion of reproductive tillers and thus larger reproductive growth relative to a vegetative one than natural populations in both species.