may be overseeded into southern fields for a late fall/winter turf.
Based on the performance of selected parents and their progenies in field trails, they found that gray leaf spot resistance in perennial ryegrass
was strongly controlled by genetic factors.
Experimental treatments and their contrasting management practices from 1989 to 1995 Treatment Plant species Type of crop code PR Perennial ryegrass
Perennial PRM Perennial ryegrass
Perennial WC White clover Perennial RC Perennial ryegrass/white clover Perennial HL Mixed herb ley (white clover, Perennial red clover, chicory, prairie grass, timothy, lucerne, and tall fescue) AR Perennial ryegrass
Annual ARDD Perennial ryegrass
Annual BAR Barley Annual LUP Lupins Annual Treatment Crop management code PR Grazed PRM Mown WC Grazed RC Grazed HL Grazed AR Grazed; re-established each year using conventional cultivation ARDD Grazed; re-established each year using direct drilling BAR Planted in spring; residues burned LUP Planted in spring; residues burned
"Donata, a soft-leaved cocksfoot with better palatability than some leading perennial ryegrasses
, does particularly well in year two, while Winnetou timothy loves cool and wet conditions.
At the Institute of Biological, Environmental and Rural Sciences (IBERS) at Aberystwyth University we investigate the use of non-food species to provide alternatives to the fossil fuels we currently rely on, species such as perennial ryegrass
, willow, seaweed and Miscanthus.
13 that growers have on hand a 14-month inventory of annual ryegrass seed, an 18-month supply of perennial ryegrass
seed and enough tall fescue seed to meet demand for 20 months.
"Target the younger, perennial ryegrass
swards on lighter land for the most cost-effective response."
This group has developed more than 45 000 ESTs from perennial ryegrass
representing approximately 15 000 unigenes that comprise a cDNA microarray.
In the coastal Pacific Northwest, blends of perennial ryegrass
, fescue, and bent or Kentucky bluegrass are the lawns of choice.
It is hoped the initiative will lead to new high-yielding varieties of perennial ryegrass
and white clover with enhanced nitrogen and phosphorus uptake capabilities.
Darren's winning silage was all from intermediate and late heading perennial ryegrass
on a three-cut system.
The three-year Grassohol project is focusing on sugar-rich varieties of perennial ryegrass
, developed at Aberystwyth University's Institute of Biological, Environmental and Rural Sciences as a raw material for bio-ethanol.
In 2001, trials were conducted with 2 perennial ryegrass
seed lots (one forage variety) harboring an LpTG1 endophyte (Neotyphodium lolii Latch, Christensen & Samuels).
SALEM - Perennial ryegrass
grown in Oregon will sell for 5 cents less per pound than it did last year, under an agreement between grass-seed dealers and farmers who belong to the Perennial Ryegrass
If you're not sure what kind of grass you have, use turf-type perennial ryegrass
such as "Citation', "Derby', or "Manhattan'.