Diploid Ryegrass 
A 'normal' perennial ryegrass species which has two sets of chromosomes, in contrast to the four sets of a tetraploid plant. Diploid ryegrass species are the most common and well-established of turfgrass cultivars.
Diploid Ryegrass
A 'normal' perennial ryegrass species which has two sets of chromosomes, in contrast to the four sets of a tetraploid plant. Diploid ryegrass species are the most common and well-established of turfgrass cultivars.