AC Ranger, set for limited release this spring, represents
the vanguard of the new forage barley class, with greater
flexibility and feed quality for western cattle producers.
As Western Canada’s cattle industry expands, producers want
multi-purpose varieties that are suitable for silage, greenfeed
or grain, says barley breeder Dr. Mario Therrien, of Agriculture
and Agri-Food Canada’s Brandon Research Centre, who developed AC
Ranger. That’s what the new forage barley class delivers.
"AC Ranger gives the expanding cattle industry a new, more
flexible option when it comes to forage," he says. It has high
biomass for silage, but also features good grain yield and
quality. This variety is widely adapted across the Canadian
prairies.
Therrien’s breeding program is supported by the Barley
Check-off Fund, administered by
Western Grains Research
Foundation. AC Ranger will be widely available in 2003, and
further improvements are on the way, he says. A forage line
developed by Therrien, entering its second year of co-op trials
in 2002, appears to have stronger straw and better disease
resistance.
The new class represents fresh thinking in the cattle
industry, says Therrien. "The industry is recognizing that
forage barley is a class by itself. Tonnage is always the big
concern for producers, but the quality of that tonnage is also
important."
Silage made from AC Ranger is dairy quality, he says. "Of
course, high quality is important for dairy producers, but it
also helps cow-calf producers who want to keep breeding stock
producing calves as long as possible."
AC Ranger is a smooth-awned variety, meaning no barbs will
irritate an animal’s mouth, he says.
The variety’s advantages are many, but it does have poor
resistance to diseases that attack the head, such as Fusarium
Head Blight and glume blotch, he says.
As well, the variety tends to lodge as most forage production
is managed for maximum biomass.
Since the Brandon Research Centre also carries out beef
research, the resident ruminant nutritionist helps with
small-scale feeding trials. "We use these trials to assess
whether a forage barley line’s quality is up to snuff. If it’s
not, or if its feed conversion is low, a line is nixed from the
program," says Therrien.
At the breeding level, Therrien is using a different trick
for forage barley than he and most other breeders are using in
plant breeding. Instead of using the doubled haploid technique,
which produces pure lines more quickly, he is using a hybrid
method for breeding. "It’s actually the antithesis of the
doubled haploid system, but hybrid lines have more vigour and
better growth," he explains.
For example, in the field, purity in malting barley is
essential, he says. "But you want forage barley to be more
heterogeneous because it’s typically grown with less management
and under a wider variety of conditions."
The Barley Check-off Fund contributes over $600,000 annually
to barley breeding programs in Western Canada. Breeding targets
include improved agronomy, disease resistance and quality for
both feed and malting varieties.