Diploid perennial ryegrass cultivars have traditionally been used in sports turf mixtures. In like-for-like comparisons with tetraploid cultivars of perennial ryegrass, good diploid grasses will be more persistent, have greater wear tolerance and produce a more attractive sward than tetraploid grasses. Under cool conditions it would be expected that the major differences in germination and speed of establishment would be due to variety differences rather than ploidy differences. The ratings on Table S1s are directly comparable with those on Table S1.
|Cultivar||Live Ground Cover||Visual Merit||Mean||Recovery||Shoot Density||Fineness of Leaf||Resistance to Red Thread||Winter Greenness||Summer Greenness||UK Agent|
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The seed merchants listed below are primary agents for grasses listed in this booklet. Short codes have been given so that the grasses listed in the different tables can be cross-referenced with their suppliers.
Names and addresses of other breeders and suppliers, with only a restricted number of varieties in the booklet, are available from the BSPB.