COMPETITION BETWEEN PERENNIAL RYEGRASS, MEADOW FESCUE AND THEIR NATURAL HYBRID: VARIATION IN GROWTH RATES AND IN THE PROPORTION OF EACH SPECIES WITH TIME.

Focuses on the variation in growth rates and in the proportion of each species of perennial rye grass, meadow fescue and their natural hybrid. Estimation of the success of the hybrid in competition with its parental species; Growth in the absence of inner-plant competition; Comparison between perennial rye grass and meadow fescue.