Of the twenty-six species of the Phalaris genus of plants;
Phalaris tuberosa has proved the most useful from the agronomic
point of view. The species has been variously known as Phalaris
comutata, Phalaris bulbosa, Toowoomba grass and Canary grass.
It has been grown in New Zealand mainly as a constituent of certain
pasture mixtures but has not proved its value for certain
reasons which will be indicated later. Mainly as a result of
investigations at the Waite Research Institute, South Australia,
this grass has given promise of being a valuable addition to the
useful pasture species, and the result has been that it is being
cultivated with considerable success in many parts of the Commonwealth.
During the past two years it has been sown on a number
of properties throughout Canterbury and numerous enquiries are
being made concerning the agronomic features of the grass and its
future possibilities. The plant itself is a tall, strong growing
perennial with one or more swellings in the region of the lower
stem internode. The blade of the leaf is very long, broad, flat
and bluish-green in colour. The ligule is one of the longest in
any of the grasses being almost as long as the leaf is wide. In
habit, the plant, if not grazed, grows in clumps up to 3 ft. high
producing a great bulk of herbage. The tall stems terminate in
very closely comgressed panicles bearing a rather low yield of
seed. Usually the yield of seed per plant is 2-3% of the total
weight compared with 20-30% in the ryegrass. The seed is oval,
flattened, moderate in size (300,000 per lb. compared with 240,000
per lb. in the case of Perennial Ryegrasses.[Show full abstract]
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